Mackie Stereo Amplifier M3000 User Manual

M-SERIES  
HIGH EFFICIENCY POWER AMPLIFIERS  
M•2000  
M•3000  
M•4000  
 
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Table of Contents  
M-Series Dimensions..............................................................................................................................24  
information about this and other Mackie products.  
Part No. 0017576 Rev. A 2/06  
©2006 LOUD Technologies Inc. All Rights Reserved.  
3
Owner’s Manual  
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Introduction  
while minimizing Class-H switching distortion. The  
bottom line is the M-Series amplifiers achieve some of  
the lowest distortion numbers in the business without  
resorting to substantial amounts of negative feedback.  
Thank you for choosing a Mackie high-efficiency  
power amplifier. We appreciate your vote of confidence  
for the folks in Woodinville who specialize in awesome  
and affordable professional audio designs.  
That’s Not All!  
The Mackie M-Series power amplifiers have a wide  
variety of features that set them apart from any other  
amplifier in their price range.  
There are plenty more features that make your selec-  
tion of a Mackie M-Series power amplifier a good invest-  
ment, from the Fast Recovery design pioneered in our FR  
Series amplifiers, to the quiet fans and constant thermal  
gradient heatsinks to dissipate heat away from the output  
devices evenly and efficiently, to the extensive protec-  
tion circuits designed to protect the amplifier and your  
loudspeakers.  
More Output Devices  
The more output devices that are used in a power am-  
plifier, the more reliably the amplifier will operate over  
the long-term at high power levels into low-impedance  
loads. The M-Series amplifiers typically use more output  
devices for the same output power than our competitors  
amplifiers. This means the output devices are required  
to handle less power, thus drastically extending the life-  
expectancy of our amplifiers.  
HOW TO USE THIS MANUAL  
We know that many of you can’t wait to get your new  
amplifier hooked up, and you’re probably not going to  
read the manual first (sigh!). So the next section is a  
Quick-Start Guide to help you get the amplifier set up  
fast so you can start using it right away. Right after that  
are the ever popular hook-up diagrams that show typical  
setups for live sound applications.  
True 2-ohm Power Capability  
Some amplifier manufacturers present their power  
ratings into 2-ohms at 1 kHz. Because our M-Series pow-  
er amplifiers use more output devices, they can provide  
full-power into 2-ohms over the entire audio frequency  
range, from 20 Hz to 20 kHz, all night long!  
Then, when you have time, read the Features Descrip-  
tion section. This describes every knob, button, and  
connection point on the M-Series amplifiers.  
Higher Efficiency  
The M•2000 uses a highly efficient two-rail Class-H  
topology, while the M•3000 and M•4000 use an even  
more efficient three-rail Class-H topology. This allows  
the amplifiers to run cooler, even in high-ambient  
temperatures, while improving their long-term reliability.  
Throughout this section you’ll find illustrations with  
each feature numbered. If you want to know more about  
a feature, simply locate it on the appropriate illustra-  
tion, notice the number attached to it, and find that  
number in the nearby paragraphs.  
Lower Distortion  
This icon marks information that  
is critically important or unique to  
the M-Series amplifiers. For your  
own good, read them and remember  
them. They will be on the final test.  
Our design engineers have paid particular attention  
to reducing distortion in the M-Series amplifiers. From  
triple darlington output stages to a fully complementary/  
differential design from input to output, to the Mackie  
exclusive adaptive slew Class-H switching design that  
allows the amplifiers to pass the fastest transient peaks  
This icon leads you to in-depth  
explanations of features and practi-  
cal tips. While not mandatory, they  
usually have some valuable nugget of  
information.  
Please write your serial number here for  
future reference (i.e., insurance claims, tech  
support, return authorization, etc.)  
More resources on our website at  
Click on Support to find answers to many of your ques-  
tions. The FAQ (Frequently Asked Questions) section is  
filled with answers to many of the questions our Techni-  
cal Support staff has fielded over the years.  
Purchased at:  
Date of purchase:  
M-Series  
Check out the glossary for explanations of many of the  
pro-audio terms used in our manuals.  
Visit our forums to seek help from our online commu-  
nity of Mackie users.  
4
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• The 1/4" TRS inputs are wired tip = hot (+),  
ring = cold (–) and sleeve = shield (ground), and  
can accept either balanced (TRS) or unbalanced  
(TS) cables.  
Getting Started  
READ THIS PAGE!!  
• The screw terminal inputs are wired as indicated:  
hot (+), cold (–), and ground (GND).  
Even if you’re one of those people  
who never read manuals, all we ask  
is that you read this page now before  
you begin using the M-Series power  
amplifier. You’ll be glad you did!  
7. In MONO and BRIDGE modes, the signals appear-  
ing at Channel 1 and Channel 2 inputs are summed  
together to create a mono signal.  
8. In STEREO and MONO modes, connect speaker  
cables to the SPEAKER OUTPUTS, either binding  
IMPORTANT: The amplifier draws  
its ventilation air in from the rear  
and out through the front panel. It  
needs plenty of fresh air to stay cool.  
DO NOT BLOCK THE VENTILATION  
PORTS!  
®
posts or Speakons :  
• The binding post connectors are wired red = hot  
(+) and black = cold (–).  
• The Speakon connectors are wired as follows:  
Channel 1  
pin 1+ = Ch 1 hot (+) and pin 1– = Ch 1 cold (–)  
pin 2+ = Ch 2 hot (+) and pin 2– = Ch 2 cold (–)  
Connections and Settings  
1. Turn down the channel Gain controls.  
2. Set the 150 Hz X-OVER switches to FULL.  
3. Set the LIMIT switches ON.  
Channel 2  
pin 1+ = Ch 2 hot (+) and pin 1– = Ch 2 cold (–)  
pin 2± = unused  
BRIDGE  
4. Turn the POWER switch off.  
pin 1+ = hot (+) and pin 1– = cold (–)  
pin 2± = unused  
5. Determine which AMP MODE is best for your ap-  
plication.  
9. In BRIDGE mode, connect the binding post cable  
like this: the hot (+) side goes to the CHANNEL 1  
SPEAKER OUTPUTS red post and the cold (–) side  
goes to the CHANNEL 2’s red post. Connect nothing  
into the black posts.  
• STEREO mode (separate left and right inputs,  
separate left and right outputs) is the typical setup  
for amplifying stereo signals.  
• MONO mode (sometimes called Dual-Mono mode  
— one mono input, two mono outputs) is for send-  
ing a mono signal to two different speaker sets, with  
separately-adjustable level controls.  
10. Connect the other ends of the speaker cables to  
your loudspeakers.  
11. Plug the amplifier’s power cord into an outlet prop-  
erly configured with the correct voltage for your  
amplifier, and capable of delivering enough current  
to reach full power.  
• BRIDGE mode (sometimes called Bridged-Mono  
— one mono input, one mono output) uses both sides  
of the amp to double the power to one speaker set.  
12. Make sure your signal source (feeding the amplifier’s  
inputs) is powered up and delivering signal to the amp.  
Note: 4 ohms is the minimum impedance you  
should connect to the amplifier in BRIDGE mode (2  
ohms in MONO or STEREO modes). If you connect  
a lower impedance load, the SHORT LEDs may  
light, putting the amplifier into PROTECT mode.  
13. Turn the amplifier’s POWER switch on and verify  
that the signal present (SIG) LEDs are blinking.  
14. Slowly turn both Gain controls up:  
Set the AMP MODE switch accordingly.  
You should hear the music and see the SIG and  
meter LEDs flashing. If the topmost LEDs (named  
OL, for OverLoad) are flashing, turn down either  
the Gain controls on the amp or the source signal’s  
output level controls (i.e., master faders). The point  
is: The OL LEDs should only occasionally light up.  
Frequent lighting of the the OL LEDs indicates that  
the amplifier is being driven too hard and clipping  
distortion is likely audible.  
6. In STEREO mode, connect line-level cables from  
your signal source to the M-Series amplifier’s INPUT  
jacks, either XLR, TRS, or screw terminals:  
• All the inputs and thru jacks for each channel  
are wired in parallel.  
• The balanced XLR inputs are wired  
pin 2 = hot (+), pin 3 = cold (–) and  
pin 1 = shield (ground).  
5
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15. For quieter listening, it is preferable to adjust the  
amplifier’s gain controls rather than the source  
signal’s output level (unless you have the source’s  
control all the way up!).  
Other Nuggets of Wisdom  
For optimum sonic performance, the channel and  
main mix faders on your mixer should be set near  
the “U” (unity gain) markings. Then adjust the  
amplifier’s gain control to attain the desired volume  
through the loudspeakers.  
Never plug amplifier outputs into anything except  
speakers (unless you have an outboard box specifi-  
cally designed to handle speaker-level signals).  
Before making connections to an amp or recon-  
figuring an amp’s routing, turn the amp’s level  
(Gain) controls down, turn the power off, make the  
changes, turn the power back on, and then turn the  
level controls back up.  
When you shut down your equipment, turn off the  
amplifiers first. When powering up, turn on the  
amplifiers last.  
Never listen to loud music for prolonged periods.  
Please see the Safety Instructions on page 2 for  
information on hearing protection.  
Save the shipping box! You may need it someday,  
and you don’t want to have to pay for another one.  
That’s it for the “Getting Started” section. Next comes  
the “Hookup” section that shows you some typical ways  
that you might use the M-Series amplifier in real ap-  
plications. After that, take the grand tour of the ampli-  
fier, with descriptions of every knob, button, input, and  
output. We encourage you to take the time to read all of  
the feature descriptions, but at least you know it’s there  
if you have any questions.  
6
M-Series  
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Hookup Diagrams  
OPTIONALCONNECTION USING BINDING POSTS  
TO SPEAKERS  
FROM MIXING CONSOLE  
LEFTAND RIGHT MAIN OUT  
SPEAKER OUTPUTS  
+
BRIDGE  
+
+
L  
1
CHA
SPEAKER OUTPUTS  
GND GND  
+
.
CAUTION  
BRIDGE  
M 4000  
AC LINE  
LETHAL  
HIGH EFFICIENCY POWER AMPLIFIER  
SERIAL DATE CODE  
VOLTAGES  
MAY APPEAR  
AT OUTPUT  
TERMINALS.  
WIRING  
IS REQUIRED.  
AMP  
MODE  
+
+
/
BREAKER  
STEREO  
(PUSH TO RESET)  
CLASS  
3
1
2
MONO  
BRIDGE  
HPF  
HPF  
1300W CH  
/
4LOAD MIN  
LPF  
LPF  
2600W BRIDGE  
8LOAD MIN  
FULL  
FULL  
PIN  
PIN  
1
2
=
=
CH1  
CH2  
PIN  
PIN  
1
2
=
=
BRIDGE  
PIN  
PIN  
1
2
=
=
CH2  
UNUSED  
UNUSED  
150Hz  
X-OVER  
150Hz  
X-OVER  
1
BRIDGE  
2
CAUTION  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
ON/  
TYPICAL  
ON/  
TYPICAL  
DESIGNED BY MACKOIDS IN WOODINVILLE, WA, USA  
MANUFACTURED IN CHINA  
FABRIQUE EN CHINE  
“MACKIE” AND  
OFF  
OFF  
©2005 LOUD TECHNOLOGIES INC.  
LIMIT  
LIMIT  
THE “RUNNING MAN” FIGURE ARE REGISTERED  
TRADEMARKS OF LOUD TECHNOLOGIES INC.  
~120VAC 60Hz 1600W  
AMP MODE SWITCH  
STEREO  
This drawing shows a typical stereo hookup, connecting  
two speakers to the Speakon® outputs. The Amp Mode  
switch is set to STEREO, and the X-over switches are set  
to FULL. The binding posts can also be used to connect  
the speakers (shown as an optional connection).  
Passive Speakers (Mackie S408)  
M-Series Power Amplifier: Stereo Mode Connection  
FROM MIXING CONSOLE  
MAIN OUT  
L  
1
CHANNEL  
2
SPEAKER OUTPUTS  
GND GND  
+
.
CAUTION  
BRIDGE  
M 4000  
AC LINE  
LETHAL  
HIGH EFFICIENCY POWER AMPLIFIER  
SERIAL DATE CODE  
VOLTAGES  
MAY APPEAR  
AT OUTPUT  
TERMINALS.  
WIRING  
IS REQUIRED.  
AMP  
MODE  
+
+
/
BREAKER  
STEREO  
(PUSH TO RESET)  
CLASS  
3
INPUT  
1
2
MONO  
BRIDGE  
HPF  
HPF  
1300W CH  
/
4LOAD MIN  
LPF  
LPF  
2600W BRIDGE  
8LOAD MIN  
FULL  
FULL  
PIN  
PIN  
1
2
=
=
CH1  
CH2  
PIN  
PIN  
1
2
=
=
BRIDGE  
PIN  
PIN  
1
2
=
=
CH2  
UNUSED  
UNUSED  
150Hz  
X-OVER  
150Hz  
X-OVER  
1
BRIDGE  
2
CAUTION  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
ON/  
TYPICAL  
ON/  
TYPICAL  
DESIGNED BY MACKOIDS IN WOODINVILLE, WA, USA  
MANUFACTURED IN CHINA  
FABRIQUE EN CHINE  
“MACKIE” AND  
OFF  
OFF  
©2005 LOUD TECHNOLOGIES INC.  
LIMIT  
LIMIT  
THE “RUNNING MAN” FIGURE ARE REGISTERED  
TRADEMARKS OF LOUD TECHNOLOGIES INC.  
~120VAC 60Hz 1600W  
The Channel 1 Speakon output connector  
has four conductors and carries both  
channels (1± is Channel 1 out and 2± is  
Channel 2 out). This is ideal for driving  
a biampable two-way speaker cabinet.  
The Amp mode switch is set to STEREO,  
Ch 1 and 2 on single  
4-conductor  
AMP MODE SWITCH  
STEREO  
X-OVER SWITCHES  
CH 1: LPF CH 2: HPF  
speaker cable  
1+/–  
Channel 1’s input is jumpered over to Channel 2 using  
the Thru connector on Channel 1. The X-over switch on  
Channel 1 is set to LPF while Channel 2 is set to HPF.  
Channel 1 carries the low frequencies (below 150 Hz) to  
the low-frequency driver, and Channel 2 carries the high  
frequencies (above 150 Hz) to the high-frequency driver.  
Many biampable cabinets are configured to accept both  
LF and HF signals on a single Speakon connector.  
2+/–  
CHANNEL 1  
COLD  
SPEAKER  
END  
AMPLIFIER  
END  
1–  
1–  
HOT  
1+  
2+  
1+  
2+  
2–  
2–  
COLD  
CHANNEL 2  
Biampable Two-Way Speaker  
M-Series Power Amplifier: Biamp Connection Using Built-in X-over  
7
Owner’s Manual  
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OPTIONALCONNECTION USING BINDING POSTS  
TO SPEAKERS  
FROM MIXING CONSOLE  
MAIN OUT  
SPEAKER OUTPUTS  
+
BRIDGE  
+
+
1
CHANNEL  
2
SPEAKER OUTPUTS  
GND GND  
+
.
CAUTION  
BRIDGE  
M 4000  
AC LINE  
LETHAL  
HIGH EFFICIENCY POWER AMPLIFIER  
SERIAL DATE CODE  
VOLTAGES  
MAY APPEAR  
AT OUTPUT  
TERMINALS.  
WIRING  
IS REQUIRED.  
AMP  
MODE  
+
+
/
BREAKER  
STEREO  
(PUSH TO RESET)  
CLASS  
3
INPUT  
1
2
MONO  
BRIDGE  
HPF  
HPF  
1300W CH  
/
4LOAD MIN  
LPF  
LPF  
2600W BRIDGE  
8LOAD MIN  
FULL  
FULL  
PIN  
PIN  
1
2
=
=
CH1  
CH2  
PIN  
PIN  
1
2
=
=
BRIDGE  
PIN  
PIN  
1
2
=
=
CH2  
UNUSED  
UNUSED  
150Hz  
X-OVER  
150Hz  
X-OVER  
1
BRIDGE  
2
CAUTION  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
ON/  
TYPICAL  
ON/  
TYPICAL  
DESIGNED BY MACKOIDS IN WOODINVILLE, WA, USA  
MANUFACTURED IN CHINA  
FABRIQUE EN CHINE  
“MACKIE” AND  
OFF  
OFF  
©2005 LOUD TECHNOLOGIES INC.  
LIMIT  
LIMIT  
THE “RUNNING MAN” FIGURE ARE REGISTERED  
TRADEMARKS OF LOUD TECHNOLOGIES INC.  
~120VAC 60Hz 1600W  
AMP MODE SWITCH  
MONO  
Passive Speakers (Mackie S408)  
M-Series Power Amplifier: Mono Mode Connection  
OPTIONALCONNECTION USING BINDING POSTS  
TO SPEAKER  
FROM MIXING CONSOLE  
+
MAIN OUT  
SPEAKER OUTPUTS  
+
BRIDGE  
+
+
1
CHANNEL  
2
SPEAKER OUTPUTS  
GND GND  
+
.
CAUTION  
BRIDGE  
M 4000  
AC LINE  
LETHAL  
HIGH EFFICIENCY POWER AMPLIFIER  
SERIAL DATE CODE  
VOLTAGES  
MAY APPEAR  
AT OUTPUT  
TERMINALS.  
WIRING  
IS REQUIRED.  
AMP  
MODE  
+
+
/
BREAKER  
STEREO  
(PUSH TO RESET)  
CLASS  
3
INPUT  
1
2
MONO  
BRIDGE  
HPF  
HPF  
1300W CH  
/
4LOAD MIN  
LPF  
LPF  
2600W BRIDGE  
8LOAD MIN  
FULL  
FULL  
PIN  
PIN  
1
2
=
=
CH1  
CH2  
PIN  
PIN  
1
2
=
=
BRIDGE  
PIN  
PIN  
1
2
=
=
CH2  
UNUSED  
UNUSED  
150Hz  
X-OVER  
150Hz  
X-OVER  
1
BRIDGE  
2
CAUTION  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
ON/  
TYPICAL  
ON/  
TYPICAL  
DESIGNED BY MACKOIDS IN WOODINVILLE, WA, USA  
MANUFACTURED IN CHINA  
FABRIQUE EN CHINE  
“MACKIE” AND  
OFF  
OFF  
©2005 LOUD TECHNOLOGIES INC.  
LIMIT  
LIMIT  
THE “RUNNING MAN” FIGURE ARE REGISTERED  
TRADEMARKS OF LOUD TECHNOLOGIES INC.  
~120VAC 60Hz 1600W  
AMP MODE SWITCH  
BRIDGE  
Passive Speaker  
(Mackie S408)  
M-Series Power Amplifier: Bridge Mode Connection  
8
M-Series  
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OPTIONALCONNECTION USING BINDING POSTS  
TO SPEAKERS  
FROM MIXING CONSOLE  
LEFTAND RIGHT MAIN OUT  
SPEAKER OUTPUTS  
+
BRIDGE  
+
+
L  
1
CH
SPEAKER OUTPUTS  
GND GND  
+
.
CAUTION  
BRIDGE  
M 4000  
AC LINE  
LETHAL  
HIGH EFFICIENCY POWER AMPLIFIER  
SERIAL DATE CODE  
VOLTAGES  
MAY APPEAR  
AT OUTPUT  
TERMINALS.  
WIRING  
IS REQUIRED.  
AMP  
MODE  
+
+
/
BREAKER  
STEREO  
(PUSH TO RESET)  
CLASS  
3
1
2
MONO  
BRIDGE  
HPF  
HPF  
1300W CH  
/
4LOAD MIN  
LPF  
LPF  
2600W BRIDGE  
8LOAD MIN  
FULL  
FULL  
PIN  
PIN  
1
2
=
=
CH1  
CH2  
PIN  
PIN  
1
2
=
=
BRIDGE  
PIN  
PIN  
1
2
=
=
CH2  
UNUSED  
UNUSED  
150Hz  
X-OVER  
150Hz  
X-OVER  
1
BRIDGE  
2
CAUTION  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
ON/  
TYPICAL  
ON/  
TYPICAL  
DESIGNED BY MACKOIDS IN WOODINVILLE, WA, USA  
MANUFACTURED IN CHINA  
FABRIQUE EN CHINE  
“MACKIE” AND  
OFF  
OFF  
©2005 LOUD TECHNOLOGIES INC.  
LIMIT  
LIMIT  
THE “RUNNING MAN” FIGURE ARE REGISTERED  
TRADEMARKS OF LOUD TECHNOLOGIES INC.  
~120VAC 60Hz 1600W  
AMP MODE SWITCH  
STEREO  
X-OVER SWITCH  
HPF  
Passive Speakers (Mackie S408)  
L  
1
CH
SPEAKER OUTPUTS  
+
GND GND  
.
CAUTION  
BRIDGE  
M 4000  
AC LINE  
LETHAL  
HIGH EFFICIENCY POWER AMPLIFIER  
SERIAL DATE CODE  
VOLTAGES  
MAY APPEAR  
AT OUTPUT  
TERMINALS.  
WIRING  
IS REQUIRED.  
AMP  
MODE  
+
+
/
BREAKER  
STEREO  
(PUSH TO RESET)  
CLASS  
3
1
2
MONO  
BRIDGE  
HPF  
HPF  
1300W CH  
/
4LOAD MIN  
LPF  
LPF  
2600W BRIDGE  
8LOAD MIN  
FULL  
FULL  
PIN  
PIN  
1
2
=
=
CH1  
CH2  
PIN  
PIN  
1
2
=
=
BRIDGE  
PIN  
PIN  
1
2
=
=
CH2  
UNUSED  
UNUSED  
150Hz  
X-OVER  
150Hz  
X-OVER  
1
BRIDGE  
2
CAUTION  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
ON/  
TYPICAL  
ON/  
TYPICAL  
DESIGNED BY MACKOIDS IN WOODINVILLE, WA, USA  
MANUFACTURED IN CHINA  
FABRIQUE EN CHINE  
“MACKIE” AND  
OFF  
OFF  
©2005 LOUD TECHNOLOGIES INC.  
LIMIT  
LIMIT  
THE “RUNNING MAN” FIGURE ARE REGISTERED  
TRADEMARKS OF LOUD TECHNOLOGIES INC.  
~120VAC 60Hz 1600W  
AMP MODE SWITCH  
STEREO  
X-OVER SWITCH  
LPF  
Passive Subwoofers  
(Mackie S410s)  
This drawing shows how to use the X-over switches to power a stereo two-way system without using  
an external crossover. The X-over switches on Amplifier 1 are set to HPF and both channels pass  
frequencies above 150 Hz to the loudspeakers.  
The Thru connections pass the full-range signals on to Amplifier 2. The X-over switches on  
Amplifier 2 are set to LPF and both channels pass frequencies below 150 Hz to the subwoofers.  
M-Series Power Amplifier: Two Amps Using Built-in X-over  
9
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M-Series Features  
You can set the Gain controls as low as you like. How-  
ever, reducing the Gain controls requires an increased  
input level to reach full power at the amplifier’s output.  
Front Panel  
Much of the front panel of the M-Series amplifiers is  
comprised of ventilation slots for expelling warm air from  
the inside of the amplifier. Be sure to leave space in front  
of the amplifier for proper ventilation to occur.  
Like all amplifier controls, you’ll typically determine  
the optimal settings during installation or sound check,  
then leave them alone, using your signal source (usually  
a mixer) to control listening levels as you work. Or play.  
1. Gain Control  
2. Meters  
These knobs control the levels to the output section of  
the M-Series amplifiers. You’ll notice that their travel is  
detented, meaning there are 21 built-in “resting points”  
so you can easily set both controls to the same level.  
Usually, these controls are set all the way up.  
The M-Series amplifier’s meters indicate the relative  
output level of the amplifier referenced to full power.  
The numbers next to the meter’s LEDs are in dB below  
full power.  
The gain structure of the amplifier is designed so that  
a +4 dBu (1.23V rms) input signal drives the amplifier  
to full power into 4 ohms.  
M•2000 = 525 watts/channel into 4 ohms  
M•3000 = 800 watts/channel into 4 ohms  
M•4000 = 1050 watts/channel into 4 ohms  
Ideally, the –20, –9, –6, and –3 LEDs will light and  
blink at normal signal levels, while the OL LED may  
flicker occasionally during peak moments.  
OL is short for Overload. Overloading, or clipping,  
occurs when the output voltage no longer linearly fol-  
lows the input voltage and simply stops. This causes a  
sine wave to “square off,” or get “clipped off.” Thus, the  
term clipping. Fear not — this scenario is quite unlike-  
ly. Even with the Gain controls fully up, the M-Series  
amplifier easily accepts professional “+4 dBu” operat-  
ing levels.  
This is how the sensitivity of an amplifier is defined  
(the input voltage required to attain maximum output  
power into a specified load impedance). In this case,  
it equates to a voltage gain of 31.4 dB for the M•2000,  
33.3 dB for the M•3000, and 34.4 dB for the M•4000).  
With the Gain control all the way up (fully clockwise),  
the input sensitivity is 1.23V, which works well with  
professional equipment operating at a nominal +4 dBu  
level.  
If the OL (Overload) LED is blink-  
ing frequently or continuously, turn  
down the amplifier’s Gain control or  
the source signal (i.e., the mixer’s  
master faders).  
On the other hand, you may want your listening level  
to be quieter than the M-Series amplifier’s maximum  
level. For instance, if you’re using the amplifier as a  
control room amp, and your control room is the size of a  
telephone booth, you’ll probably never want to hear the  
amp at its maximum level.  
.
M 4000  
H I G H E F F I C I E N C Y P O W E R A M P L I F I E R  
OL  
-3  
OL  
-3  
1
2
INTERNAL  
STATUS  
INTERNAL  
STATUS  
-6  
-6  
PROTECT  
SHORT  
PROTECT  
SHORT  
-9  
-9  
-20  
SIG  
-20  
SIG  
OVER TEMP  
OVER TEMP  
O O  
MAX  
O O  
MAX  
POWER  
10  
M-Series  
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the amplifier resumes normal operation. If it senses the  
shorted condition again, the cycle repeats until you fix  
the problem.  
3. PROTECT Indicator  
If the PROTECT LEDs are on, the amplifier’s output  
section has shut down. That, of course, means you won’t  
hear anything until you rectify the situation. Three  
things can cause the PROTECT circuit to engage:  
Typical causes for a “short” indication would be either  
a shorted speaker cable or too many speaker cabinets  
connected to the amplifier (i.e., the load impedance  
is too low). If a “short” is indicated, please check your  
cables. If the cabling is OK, then reduce the number of  
cabinets driven by the amplifier.  
1. Powering up the amplifier. A built-in delay circuit  
saves your speakers (and ears) from the thumps or  
pops that can sometimes occur when powering up a  
system. During this three-second delay, the PRO-  
TECT LEDs light up.  
Note: When using the amplifier in BRIDGE mode, one  
or both SHORT LEDs may light under shorted or low im-  
pedance conditions. Regardless of whether one or both  
LEDs light, it’s an indication of a problem that requires  
further investigation.  
2. A short circuit (or near short) in either of the  
outputs. Both the PROTECT and the SHORT LEDs  
light up.  
3. The temperature in the amplifier has risen to an  
unsafe level. The PROTECT and the OVER TEMP  
LEDs light up.  
5. OVER TEMP Indicator  
OVER TEMP (short for over-temperature) is another  
feature designed to keep your mind at ease. Under  
extreme conditions the amplifier may overheat. You may  
ask, “What kind of extreme conditions?”  
The M-Series amplifier draws its ventilation air in  
from the rear and out through the front. The amp needs  
plenty of fresh air to stay cool. DO NOT BLOCK THE  
VENTILATION PORTS. See “Thermal Considerations” on  
page 16 for more details.  
Overheating problems are usually caused by one of  
the following situations: improper ventilation, high  
ambient temperatures, overdriving the amplifier into  
clipping, driving the amplifier hard into low-impedance  
loads, frayed or partially shorted speaker cables, or  
defective or internally shorted speakers.  
Note: In the unlikely event that the power transformer  
overheats (in general, this cannot happen during nor-  
mal use — but could occur when bench testing at high  
power levels for an extended period of time), the PRO-  
TECT LED will light, but not the OVER TEMP LED. It  
takes from one to two hours for the transformer to cool  
to a safe temperature, when normal operation resumes.  
The heaviest load the M-Series amplifier can toler-  
ate is 2 ohms per channel (4 ohms in bridged mode). If  
you’ve got a set of speakers wired in parallel, be sure the  
load isn’t adding up to less than 2 ohms. Anything below  
2 ohms can cause the SHORT LED to light and trigger  
the PROTECT mode, or cause the amplifier to overheat,  
which also triggers the PROTECT mode.  
4. SHORT Indicator  
If this LED comes on, the amplifier has detected a  
short circuit (or near short) in either of the outputs,  
meaning that the hot (+) and cold (–) speaker wires  
are touching, or a speaker itself is shorted out. Such  
a condition causes the amplifer to engage its Protect  
mode, muting all signals at the amp’s outputs.  
Note: Since each channel has its own  
temperature sensor and protection  
circuit, it is possible for only one  
channel to go into PROTECT mode  
while the other channel continues to  
operate.  
This short-circuit LED is a Mackie exclusive and can  
save precious minutes of your troubleshooting time.  
Without it, you’d still have speaker and amp protection  
(via the PROTECT circuit), but you wouldn’t be able  
to determine the source of the problem. But with the  
SHORT LED, the M-Series amplifier comes right out and  
tells you!  
As the internal temperature of the amplifier rises, the  
fans turn on at 50°C (122°F), and they kick into high  
speed at 65°C (149°F). More air moves through the  
constant temperature gradient cooling tunnel to remove  
additional heat from the output transistors. However, if  
the internal temperature of the amplifier should exceed  
85°C (185°F), the OVER TEMP LED turns on, and both  
PROTECT LEDs shine. The output of the amplifier is  
muted — at this point the amplifier is in Protect mode  
and remains there until the internal temperature cools  
off to a safe level (60°C or 140°F). When this occurs,  
the OVER TEMP and PROTECT LEDs turn off, and nor-  
mal operation resumes.  
WARNING: The SHORT LEDs  
indicate an unsafe condition for the  
power amplifier. When the short-  
circuit protection is activated, the  
SHORT LED lights, then the PRO-  
TECT LED lights and the SHORT LED turns off. After  
about four seconds, the protection circuit turns off and  
11  
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Be Aware: If the OVER TEMP LED comes on fre-  
quently, something is overworking the amplifier or it’s  
not properly ventilated. Look at each of the “extreme  
conditions” described above and try to determine what  
is causing the amplifier to overheat. Refer to “Thermal  
Considerations” on page 16 or to the “Troubleshooting”  
section in Appendix A for more help.  
Rear Panel  
The rear panel of the M-Series amplifiers is comprised  
of the fans, the input and output connectors, and a num-  
ber of cool extra features.  
7. SPEAKER OUTPUTS  
There are two methods for connecting your speakers  
You may ask, “Why don’t the fans just  
go fast all the time?” Well, if it did,  
you might actually hear it whirring  
®
to the M-Series amplifier, binding posts and Speakon  
during your quiet moments (there  
connectors.  
are quiet moments in your life,  
aren’t there?). While this whirring  
To use the binding post outputs, you can terminate  
your speaker cables with single or double banana plugs,  
spade lugs, or leave them unterminated with bare wire.  
Unscrew the amp’s binding posts enough to reveal the  
holes on their sides, then insert your stripped wires  
(stripped about 3/8" back) into the holes and retighten  
the posts (finger tight is fine — please don’t reef on  
them with a wrench!). Be careful that no runaway  
strands touch the chassis or other terminals.  
would be of no concern in most live-sound situations, it  
could become annoying in a control room environment.  
So, when the M-Series amplifier is not working hard, the  
fans are off (or they go slow); when the music gets loud  
and puts the amp to work, the fans go fast.  
6. POWER Switch  
The red posts are labeled “+,” which means positive.  
The black posts are labeled “–” for negative. You prob-  
ably know the importance of getting these terms correct  
— if one side is hooked up “in phase” and the other side  
is “out of phase,” you’ll be “out of work.” (By the way,  
although everyone says “phase” in this situation, the cor-  
rect word is “polarity”... but it’s not as much fun to say.)  
To make the amp operate, push the top half of the  
POWER switch. It clicks into place and the light in the  
switch illuminates. To turn the amp off, push the lower  
half. It’ll click again and the light will extinguish.  
When you power up the M-Series amplifier, a built-in  
delay circuit prevents any pops or thumps from being  
transmitted to the speakers due to turn-on instability  
in the system. Be sure the signal driving the amplifier is  
turned down when you first power up the system. There  
are few things as rude as 3 seconds of silence followed  
by 250 watts of full-blast stereo sound! (Well, maybe 250  
watts of accordian music...)  
Using high-quality stranded speaker cable (16 gauge  
or thicker), connect the positive outputs of the ampli-  
fier to the positive inputs of your speakers, and the  
negative outputs to the negative inputs. The exception:  
If you’re using the amplifier in BRIDGE mode, this does  
not apply, (see Bridge Mode on page 19).  
If you shut down your system, turn off your amplifiers  
first. When powering up, turn on your amplifiers last.  
This way, equipment feeding the amp won’t “pop” or  
“thud” when it’s powered up or down.  
In addition to the binding posts, the M-Series ampli-  
fier also has Speakon SPEAKER OUTPUTS. These have  
the advantage of locking into place, and many profes-  
sional loudspeakers are equipped with Speakon connec-  
tors. There are three Speakon connectors, for channel 1,  
channel 2, and for a bridged connection.  
.
M 4000  
H I G H E F F I C I E N C Y P O W E R A M P L I F I E R  
OL  
-3  
OL  
-3  
1
2
INTERNAL  
STATUS  
INTERNAL  
STATUS  
-6  
-6  
PROTECT  
SHORT  
PROTECT  
SHORT  
-9  
-9  
-20  
SIG  
-20  
SIG  
OVER TEMP  
OVER TEMP  
O O  
MAX  
O O  
MAX  
POWER  
12  
M-Series  
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See “Output Wiring” on page 18 for more info on mak-  
ing the speaker output connections.  
9. INPUTS  
The M-Series amplifiers give you a choice — it has  
combination XLR and 1/4" inputs, as well as screw  
terminal balanced input connectors. Sonically (and  
electrically) they’re identical. Since these inputs are  
all in parallel (the Thru jacks are in parallel with the  
inputs as well), you shouldn’t connect more than one  
source to the INPUT connectors. Each can be used with  
either balanced or unbalanced signals. See “Input Wir-  
ing” on page 17 for more information about making the  
input connections.  
8. AMP MODE  
This three-way switch, along with the X-OVER  
switches, determines what kind of amplifier you want  
the M-Series amplifier to be (or not to be — what was  
the question?).  
The AMP MODE switch determines the input signal  
routing within the amplifier. Shipped from the factory,  
the switch is set to STEREO. This is correct for about  
90% of the applications using an amp like this. But you  
may be in the 10% bracket, requiring special input rout-  
ing within the amp.  
The M-Series amplifier expects to see a nominal sig-  
nal level anywhere between the –10dBV “semipro” and  
+4 dBu “pro” standards, meaning almost any line-level  
mixer or other device can be plugged into the amp’s  
INPUTs. Use the Gain controls to adjust the gain of the  
amplifier to match the signal level you’re using.  
The AMP MODE should be configured before opera-  
tion — if you must change it during performance, turn  
down the Gain controls as a precaution to protect the  
speakers from any inadvertent pops or thumps.  
10. Thru Connectors  
STEREO mode (separate left and right inputs,  
separate left and right outputs) is the typical setup for  
amplifying stereo signals.  
Someday you’ll do a show and realize that one M-Series  
amplifier is just not going to do the job — you’ll need a  
six-foot-high rack full of ’em. That’s what the Thru jack  
is for. Simply plug the signal source outputs into the  
first amp’s INPUTs, patch from that amp’s Thru jacks  
to the next amp’s INPUTs, and so on, daisy-chaining as  
many amps as you can afford (assuming your console has  
low-impedance outputs).  
MONO mode (sometimes called Dual-Mono – one  
mono input, two mono outputs) is for sending a mono  
signal to two different speaker sets, with separately-  
adjustable Gain controls.  
BRIDGE mode (sometimes called Bridged-Mono – one  
mono input, one mono output) uses both sides of the  
amp to double the power to one speaker set. With two  
M-Series power amplifiers, each set to BRIDGE mode,  
you can deliver as much as 4000 watts per amplifier for  
the M•4000 (2000 watts for the M•2000 and 3000 watts  
for the M•3000).  
A general rule of thumb is to maintain a load imped-  
ance 10 times or more than the source impedance to  
prevent excessive loading. If your console has an output  
impedance of 100 ohms, then you can daisy-chain up to  
twenty-four M-Series amplifiers, which presents a load  
of 1000 ohms to the console (input impedance of 24  
kohms divided by 24 amplifiers = 1000 ohms).  
If you set the AMP MODE switch to MONO or  
BRIDGE, normally you would use just the Channel 1  
input. You can connect a stereo input to Channels 1 and  
2, but the M-Series amplifier sums the two inputs and  
delivers a mono signal to the amplifier stage.  
The Thru jacks can also be used to relay the signal on  
to other devices such as a DAT or cassette recorder, en-  
abling you to record exactly what the audience is hear-  
CHANNEL 1  
CHANNEL 2  
INPUT  
SPEAKER OUTPUTS  
GND GND  
+
CAUTION  
BRIDGE  
LETHAL  
HIGH EFFICIENCY POWER AMPL  
SERIAL / DATE CODE  
AMP  
VOLTAGES  
MAY APPEAR  
AT OUTPUT  
TERMINALS.  
CLASS 3 WIRING  
IS REQUIRED.  
MODE  
+
+
STEREO  
INPUT  
1
2
MONO  
BRIDGE  
HPF  
HPF  
1300W / CH  
4LOAD MIN  
LPF  
LPF  
2600W BRIDGE  
8LOAD MIN  
FULL  
FULL  
PIN 1 = CH1  
PIN 2 = CH2  
PIN 1 = BRIDGE  
PIN 2 = UNUSED  
PIN 1 = CH2  
PIN 2 = UNUSED  
150Hz  
X-OVER  
150Hz  
X-OVER  
BRIDGE  
1
2
CAUTION  
RISK OF ELECTRIC SHOCK • DO NOT OPEN  
ON/  
TYPICAL  
ON/  
TYPICAL  
ED BY MACKOIDS IN WOODINVILLE, WA, US  
MANUFACTURED IN CHINA • FABRIQUE EN CHINE  
©2005 LOUD TECHNOLOGIES INC. • “MACKIE” AND  
THE “RUNNING MAN” FIGURE ARE REGISTERED  
TRADEMARKS OF LOUD TECHNOLOGIES INC.  
OFF  
OFF  
LIMIT  
LIMIT  
13  
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ing. The Thru jacks are wired straight from the XLR and  
TRS INPUTs — there is no electronic circuitry between  
— so the signal going into the amp is exactly the same  
as the signal coming out of the Thru jacks.  
nal inputs, you could jumper the signal over from  
Channel 1 to Channel 2 as shown below.  
JUMPERS  
CHANNEL 1  
CHANNEL 2  
GND GND  
You can use the Thru jack as an input, if necessary,  
since it’s wired in parallel with the other input con-  
nectors. You can also use the 1/4" TRS INPUT jacks as  
Thru jacks. Simply connect the 1/4" TRS INPUT jacks  
on the first amplifier to the TRS 1/4" INPUT jacks on the  
second amplifier using 3-conductor shielded cables with  
TRS plugs on both ends.  
If you are using the combination input, you could  
use the Thru connector from Channel 1 to connect  
to the input of Channel 2.  
Warning: If you use a regular guitar cord with 2-  
conductor TS plugs, you’ll unbalance the signal at the  
screw terminal input by grounding the low side (–) of  
the signal (pin 3).  
2. Set the AMP MODE switch to STEREO.  
Note: You cannot use the AMP  
MODE switch set to MONO to ac-  
complish this because the X-OVER  
switches are located before the AMP  
MODE switch in the signal path.  
11. 150 Hz X-OVER  
This switch allows you to turn your M-Series ampli-  
fier into a combination two-way crossover and power  
amplifier. You can use one channel to power a woofer or  
subwoofer, and the other channel to power the mid and  
high frequencies.  
3. Set the X-OVER switch on Channel 1 to LPF and the  
X-OVER switch on Channel 2 to HPF.  
For normal operation, leave the switch in the FULL  
position. This allows full-range operation for that chan-  
nel (no crossover filter).  
4. Connect the Speaker Output for Channel 1 to the  
woofer or subwoofer speaker cabinet.  
5. Connect the Speaker Output for Channel 2 to the  
full-range or mid/high speaker cabinet.  
With the switch in the LPF (low-pass filter) position,  
all the frequencies below 150 Hz are allowed through  
the channel, and all the frequencies above 150 Hz are  
rolled off with a 2nd-order Butterworth filter.  
You could also use the X-OVER switch as a high-pass  
filter for both channels. For example, in a monitor sys-  
tem, many monitor speakers don’t reproduce frequen-  
cies below 100 Hz or 150 Hz. By rolling off the lower  
frequencies, you can preserve the amplifier’s power for  
the frequencies that count, and the system will sound  
louder and cleaner.  
With the switch in the HPF (high-pass filter) position,  
all the frequencies above 150 Hz are allowed through  
the channel, and all the frequencies below 150 Hz are  
rolled off with a 2nd-order Butterworth filter.  
To use the X-OVER switches in a two-way or bi-amplified  
system:  
12. LIMIT  
1. Connect the same input signal to Channel 1 and  
Channel 2 inputs. If you are using the screw termi-  
The LIMITER is not designed to alter your sound — it’s  
just there to protect your speakers from clipping. Its ef-  
fect is virtually transparent, meaning you probably won’t  
CHANNEL 1  
CHANNEL 2  
INPUT  
GND GND  
.
M 4000  
AC LINE  
HIGH EFFICIENCY POWER AMPLIFIER  
SERIAL / DATE CODE  
MP  
ODE  
BREAKER  
STEREO  
(PUSH TO RESET)  
INPUT  
1
2
MONO  
BRIDGE  
HPF  
HPF  
LPF  
LPF  
FULL  
FULL  
150Hz  
X-OVER  
150Hz  
X-OVER  
CAUTION  
RISK OF ELECTRIC SHOCK • DO NOT OPEN  
ON/  
TYPICAL  
ON/  
TYPICAL  
ED BY MACKOIDS IN WOODINVILLE, WA, USA  
MANUFACTURED IN CHINA • FABRIQUE EN CHINE  
©2005 LOUD TECHNOLOGIES INC. • “MACKIE” AND  
THE “RUNNING MAN” FIGURE ARE REGISTERED  
TRADEMARKS OF LOUD TECHNOLOGIES INC.  
OFF  
OFF  
LIMIT  
LIMIT  
~120VAC 60Hz 1600W  
14  
M-Series  
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even notice any audible difference. We recommend that  
you leave it engaged, hence the TYPICAL label above it.  
14. Power Receptacle  
This is a standard 3-prong IEC power connector.  
Connect the detachable linecord (included in the box  
with your M-Series amplifier) to the power receptacle,  
and plug the other end of the linecord into an AC outlet  
properly configured with the correct voltage for your  
particular model.  
If you’re working at quiet levels all the time, or you’ve  
already placed a compressor/limiter in the signal path,  
or if you just hate compression, you can leave the LIM-  
ITER out of the circuit (OFF).  
The LIMITER works independently on each channel.  
It senses when the amplifier channel is about to be over-  
driven and attenuates the overall level just enough to keep  
the signal from clipping. Clipping occurs when the output  
voltage no longer linearly follows the input voltage and  
simply stops. This causes a sine wave to “square off,” and  
the average power going into the speaker is roughly double  
that of a sine wave. Square waves sound awful, and could  
possibly damage your speakers and/or your reputation.  
The power cord that comes packed  
with your amplifier may look like the  
same one that plugs into your mixer  
or computer, but it’s not! An IEC  
power cord that you find on a typical  
product will likely have tiny 18 gauge wire inside. The  
power cord that comes with our amplifier has 14 gauge  
wire inside, 250% larger than that of an 18 gauge cord. If  
you use one of these lighter gauge cords on your ampli-  
fier it may, quite literally, melt! So don’t lose that power  
cord, but if you do, contact Mackie for a replacement.  
The LIMITER is especially handy when you’re working  
with loud output levels. Having the signal spikes (kick  
drum, for instance) attenuated a bit can actually in-  
crease the apparent loudness of the overall mix without  
diminishing the “power” behind the spikes.  
For current-delivery purposes, the amplifier’s voltage  
source (wall outlet, extension cords, or power strips)  
must be capable of continuously delivering the following  
AC current (for 120V version):  
Also, if you are driving the amplifier quite hard in  
an adverse environment (high heat) and under heavy  
loading, turning on the LIMITER will help to prevent the  
amplifier from going into “OVER TEMP” protection. This  
is much more preferable to lightening the load on the  
amplifier by reducing the number of speakers connected.  
M•2000  
M•3000  
M•4000  
9 amps  
12 amps  
15 amps  
And for safety reasons, that source must be a “3-prong”  
outlet with hot, neutral, and ground terminals. We’re  
dealing with some big-time electricity here — don’t  
mess with it. See “AC Power Considerations” on page 16  
for more details.  
Be Forewarned: With the LIMITER engaged, you can  
still overdrive the amplifier into clipping and cause  
distortion. It just takes a stronger signal to do it. So  
even with the LIMITER turned on, you should still pay  
attention to the OL LEDs.  
15. Fans  
13. AC LINE BREAKER  
There are two fans, one for each amplifier channel.  
They pull air in from the rear, move it through the con-  
stant thermal gradient heatsinks, and exhaust the warm  
air through the front.  
This is a resettable circuit breaker that monitors the  
amount of current being drawn by the amplifier. Under  
normal operating conditions, this should never pop. An  
unusual condition may cause the breaker to pop, such  
as a mains voltage surge occurring at the same time as a  
peak amplifier output.  
When the amplifier is first turned on, the fans are off.  
They remain off until the inside of the amplifier warms  
to 50º C (122º F). The fans start up at a slow speed until  
the inside of the amplifier warms to 65º C (149º F),  
when they kick into high speed.  
Turn the POWER switch off, and push the BREAKER  
button to reset the circuit breaker. Turn the POWER  
switch back on and the amplifier should resume normal  
operation. If the circuit breaker pops again, something  
probably isn’t right.  
In a live sound application, the sound of the fans is  
usually not a problem. But in a control room or quiet  
listening situation, it may be of a concern. When the am-  
plifier is idling or operating at a low power, the fans are  
off so you don’t hear the constant whirring of the fans.  
At moderate power levels, the fans turn on at a slow  
speed, so they probably still won’t be audible above the  
program that you are listening to. At high power levels,  
the fans may kick into high speed, but the high volume  
level will certainly cover the sound of the fans.  
Make sure the total impedance of the speakers  
connected to the outputs is 2 ohms or greater (per  
channel) in stereo mode, or 4 ohms or greater in  
bridged mode.  
If the breaker pops right away, even with the Gain  
controls turned down and the speakers discon-  
nected, there may be something wrong inside the  
amplifier. Refer to “Appendix A: Service Info.”  
It is important to leave space in front of and behind  
the amplifier so the air can flow freely. See “Thermal  
Considerations” on page 16 for more information.  
15  
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General Precautions and Considerations  
Rack Mounting  
AC Power Considerations  
The M-Series amplifiers require two rack space units  
(2 IU = 3.5"). The M•2000 requires 17.0" depth inside  
the rack, including the rear supports. The M•3000 and  
M•4000 require 19.5" depth inside the rack, includ-  
ing the rear supports. When designing your rack, put  
the heavier items at the bottom and the lighter items  
toward the top.  
Be sure the amplifier is plugged into an outlet that  
is able to supply the correct voltage specified for your  
model.  
If the line voltage should drop below about 97% of  
the rated voltage, the amplifier will no longer be able to  
supply rated power. (It will continue to operate down to  
65% of the rated line voltage, but it just won’t be able to  
reach full rated power.)  
Secure the front panel of the amplifier to the front of  
the rack using four screws with soft washers to prevent  
scratching the panel. In addition, because of the weight  
of the amplifier, you must secure the rear support brack-  
ets of the amplifier to the back of the rack. You could  
use a support rail or shelf across the back of the rack,  
or angle brackets attached between the rear support  
brackets and the rear rails of the rack. This is recom-  
mended for all components mounted in a rack that is  
going to be moved frequently (or thrown in the back of a  
pickup truck and transported down a bumpy gravel road  
to that outdoor festival!).  
Be sure the AC outlet can supply enough current to  
allow full power operation of all the amplifiers plugged  
into it. The outlet should be a socket that matches the  
power cord.  
WARNING: Bypassing the plug’s  
ground pin can be dangerous. Don’t  
do it!  
The AC current demand of an amplifier varies depend-  
ing on several factors, including the crest factor and  
the duty cycle of the program material. Under typical  
conditions reproducing rock music where musical peaks  
are just below clipping, the M-Series amplifiers require  
the following average currents:  
Thermal Considerations  
The M-Series amplifier is fan-cooled and brings air in  
through the rear and out through the front. Make sure  
that cool air is available at the rear of the amplifier, and  
that there is room at the front for the warm air to exit  
from the amplifier and dissipate. If rack-mounted, make  
sure the amplifier is not pulling warm (or hot) air in  
from the rack.  
Average  
Current  
M•2000 Amplifier Loading  
Required  
120V 240V  
8.6A 4.3A  
5.6A 2.8A  
3.7A 1.9A  
2 ohms per side or 4 ohms bridged  
4 ohms per side or 8 ohms bridged  
8 ohms per side or 16 ohms bridged  
The M-Series amplifier’s unique Constant Thermal  
Gradient heatsinks provide substantially better cool-  
ing for the output transistors than conventional de-  
signs that simply blow air through the chassis, getting  
dust and other contaminants over all the internal  
components. The heatsinks contain a cooling tunnel  
that provides a shorter, more directed path for the air,  
with the air moving faster toward the end of the tunnel  
to balance the temperature along the entire length of  
the heatsink. This results in increased reliability and  
longevity for the amplifier because the output transis-  
tors are kept cooler.  
M•3000 Amplifier Loading  
120V 240V  
11.1A 5.6A  
7.4A 3.7A  
4.8A 2.4A  
2 ohms per side or 4 ohms bridged  
4 ohms per side or 8 ohms bridged  
8 ohms per side or 16 ohms bridged  
M•4000 Amplifier Loading  
120V 240V  
14.2A 7.1A  
9.3A 4.7A  
6.0A 3.0A  
2 ohms per side or 4 ohms bridged  
4 ohms per side or 8 ohms bridged  
8 ohms per side or 16 ohms bridged  
16  
M-Series  
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It is recommended that a stiff supply of AC power be  
used because the amplifier places high current demands  
on the AC line. The more power that is available on the  
line, the louder the amplifier will play and the more  
peak output power will be available for cleaner, punch-  
ier bass.  
AC Power Distribution  
In order to minimize ground loops, the safety grounds  
for all the outlets should be connected to a common  
(“star”) grounding point, and the distance between the  
outlets and the common grounding point should be as  
short as possible.  
Under typical conditions, reproducing rock music  
where musical peaks are just below the clipping point,  
you can safely connect one or more amplifiers to an AC  
service. Use the table below as a guideline:  
If lighting is used in a show, it is preferable to power  
the lights from a different AC circuit than the one  
powering the audio equipment. This will help minimize  
noise from the lights coupling into the audio (particu-  
larly if SCRs are used).  
Maximum Number of Amplifiers  
on a 120V/15A Service  
M•2000 Amplifier Loading  
2 ohms per side or 4 ohms bridged  
4 ohms per side or 8 ohms bridged  
8 ohms per side or 16 ohms bridged  
(or 240V/7.5A Service)  
Input Wiring  
2
3
4
Use a high-quality 3-conductor shielded cable to  
connect the signal between the signal source (mixing  
console, equalizer, etc.) and the balanced inputs to the  
amplifier. If you’re making an unbalanced connection,  
use a high-quality 2-conductor shielded cable. Your  
Mackie Dealer can recommend a suitable cable for your  
application.  
M•3000 Amplifier Loading  
2 ohms per side or 4 ohms bridged  
4 ohms per side or 8 ohms bridged  
8 ohms per side or 16 ohms bridged  
1
2
3
M•4000 Amplifier Loading  
2 ohms per side or 4 ohms bridged  
4 ohms per side or 8 ohms bridged  
8 ohms per side or 16 ohms bridged  
1
1
2
Refer to “Inputs” [9] on page 13 for more information  
about making the input connections.  
When connecting a balanced line-level signal using  
XLR plugs, they’re wired thusly, per AES (Audio Engi-  
neering Society) standards:  
The M-Series amplifiers are equipped with an in-rush  
limiting circuit to minimize startup current and pre-  
vent tripping the breakers when two or more amplifiers  
are turned on at the same time, on the same breaker.  
Sequencing is not required.  
Pin 2 = Hot (+)  
Pin 3 = Cold (–)  
Pin 1 = Shield (Ground)  
If you use an extension cord to supply power to the  
“amp rack,” it should have a third wire safety ground to  
avoid presenting a safety hazard. We also recommend  
using a cord that has conductors large enough to avoid  
severely limiting the amplifier’s ability to supply high  
currents on transients.  
2
SHIELD  
HOT  
1
3
COLD  
SHIELD  
1
Power amplifiers can have momentary peak current  
requirements many times above the nominal average  
current draw. According to Ohm’s Law, the greater the  
resistance of the linecord, the more input power is lost  
between the AC outlet and the power amplifier (across  
the linecord). And to further aggravate the matter,  
this relationship is nonlinear. The amount of power  
lost across the linecord increases exponentially as the  
current demand increases. So if the current demand  
doubles momentarily because of an exceptionally loud  
bass note, the amount of AC input power lost across  
the linecord increases four times. You can see that it  
is very important to keep the resistance of the line-  
cord to a minimum. That’s why we recommend using a  
heavy gauge extension cord (like 14 gauge or bigger).  
Remember, wire gets thicker as the gauge number gets  
smaller (10 gauge is thicker than 14 gauge).  
3
COLD  
2
HOT  
SHIELD  
COLD  
HOT  
1
3
2
Balanced XLR Connectors  
Balanced TRS (tip-ring-sleeve) plugs can be con-  
nected to the combination jacks as well. They are wired  
as follows:  
Tip = Hot (+)  
Ring = Cold (–)  
Sleeve = Shield (Ground)  
RING SLEEVE  
SLEEVE RING TIP  
TIP  
RING  
TIP  
SLEEVE  
Balanced TRS Connectors  
17  
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Unbalanced TS (tip-sleeve) signals can be accom-  
modated via the combination jack. Make sure the cord  
terminates with a TS plug (like a guitar plug), or if it’s a  
TRS plug (like a headphone plug), make sure the ring is  
tied to the shield, preferably at the source.  
Output Wiring  
Use heavy gauge, stranded wire for connecting speak-  
ers to the M-Series amplifier’s SPEAKER OUTPUT  
terminals. As the distance between the amplifier and  
the speakers increases, the thickness of the wire should  
also increase. Speaker wire has resistance, and when  
electricity passes through a resistor, power is lost. The  
thicker the wire, the less resistance it offers, and the  
more power actually gets to the speakers.  
SLEEVE  
SLEEVE  
TIP  
TIP  
TIP  
SLEEVE  
Unbalanced TS Plug  
The thickness of wire is rated in gauges. Use the chart  
below to determine the correct gauge of wire to use  
according to the distance between the speakers and the  
amplifier, and the impedance of the load the amplifier  
is driving. This ensures that the power lost across the  
speaker wire is less than 0.5 dB.  
The screw terminal connections are clearly marked,  
indicating “+”, “–”, and GND. You can use bare wire to  
wrap around the screws, or spade lugs connected to the  
wires.  
CHANNEL 1  
CHANNEL 2  
GND GND  
Load  
Impedance  
Gauge of  
Wire  
Wire Length  
Up to 25 ft.  
2Ω  
4Ω  
8Ω  
2Ω  
4Ω  
8Ω  
2Ω  
4Ω  
8Ω  
2Ω  
4Ω  
8Ω  
2Ω  
4Ω  
8Ω  
2Ω  
4Ω  
8Ω  
14 gauge  
16 gauge  
18 gauge  
12 gauge  
14 gauge  
18 gauge  
10 gauge  
12 gauge  
16 gauge  
8 gauge  
10 gauge  
14 gauge  
6 gauge  
8 gauge  
12 gauge  
4 gauge  
Up to 40 ft.  
Up to 60 ft.  
Up to 100 ft.  
Up to 150 ft.  
Up to 250 ft.  
Balanced Screw Terminal Connection  
If connecting an unbalanced line-level input to the  
screw terminals, connect a jumper between the “–” and  
GND screws.  
JUMPER  
CHANNEL 1  
CHANNEL 2  
GND GND  
6 gauge  
10 gauge  
Stereo and Mono Modes  
Binding Posts  
Unbalanced Screw Terminal Connection  
When using the binding post outputs in stereo or  
mono modes, you can terminate your speaker cables  
with single or double banana plugs, spade lugs, or leave  
them unterminated (bare wires): unscrew the amp’s  
binding posts enough to reveal the holes on their sides,  
then insert your stripped wires (stripped about 3/8"  
back) into the holes and retighten the posts (finger  
tight is fine). Be careful that no runaway strands touch  
the chassis or other terminal.  
18  
M-Series  
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The red posts are labeled “+,” which means positive.  
The black posts are labeled “–” for negative. Be sure  
to connect the positive speaker output terminal to the  
positive connection on the speaker cabinet, and the  
negative speaker output terminal to the negative con-  
nection on the speaker cabinet.  
Bridge Mode  
Binding Posts  
When using the binding posts in bridge mode, connect  
the positive side of the speaker cable to the CHANNEL  
1 red (+) binding post, and connect the negative side  
of the speaker cable to the CHANNEL 2 red (+) bind-  
ing post. No, that’s not a typo. You only use the red  
binding posts in Bridge mode. Do not use the black  
posts.  
TO SPEAKER  
Bare Wire  
+ –  
SPEAKER OUTPUTS  
+
BRIDGE  
+
+
Spade Lug  
Bridge Binding Post Connection  
Speakon  
When using bridge mode, wire the Bridge Speakon  
connector the same as the stereo and mono connectors:  
1–  
D
N
1+  
G
Double Banana Plug  
COLD  
1–  
Speakons  
1+  
2+  
HOT  
2–  
When using the Speakon outputs in stereo or mono  
modes, wire the Speakon connectors as shown below:  
Bridge Speakon Connection  
1–  
1+  
COLD  
1–  
1+  
2+  
HOT  
2–  
Stereo and Mono Speakon Connection  
19  
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Dual-Channel Connection  
The Channel 1 Speakon connector has the added  
feature of providing both speaker outputs on a single  
connector. This allows you to use a single cable to carry  
both channels from the amplifier to the speakers. Refer  
to the hookup diagram on page 7 for a typical applica-  
tion using the dual-channel connection.  
Many speakers with Speakon connectors provide an  
Input connector and a “Thru” connector for connecting  
a second speaker in parallel. You can use the Thru con-  
nector on the speaker cabinet to connect the Channel 2  
amplifier output to the Channel 2 speaker.  
For the cable connecting the amplifier to the first  
speaker, wire all four pins in the Speakon connector, as  
shown below, at both ends of the cable. For the cable  
connecting the “Thru” connector to the second speaker,  
you need to use a “crossover” cable that connects pins  
2+ and 2– on the “Thru” connector to pins 1+ and 1– on  
the second speaker input end.  
FROM MIXING CONSOLE  
LEFTAND RIGHT MAIN OUT  
AMP MODE SWITCH  
STEREO  
1
CH
SPEAKER OUTPUTS  
+
GND GND  
.
CAUTION  
BRIDGE  
M 4000  
AC LINE  
LETHAL  
HIGH EFFICIENCY POWER AMPLIFIER  
SERIAL DATE CODE  
VOLTAGES  
MAY APPEAR  
AT OUTPUT  
TERMINALS.  
WIRING  
IS REQUIRED.  
AMP  
MODE  
+
+
/
BREAKER  
STEREO  
(PUSH TO RESET)  
CLASS  
3
1
2
MONO  
BRIDGE  
HPF  
HPF  
1300W CH  
/
4LOAD MIN  
LPF  
LPF  
2600W BRIDGE  
8LOAD MIN  
FULL  
FULL  
PIN  
PIN  
1
2
=
=
CH1  
CH2  
PIN  
PIN  
1
2
=
=
BRIDGE  
PIN  
PIN  
1
2
=
=
CH2  
UNUSED  
UNUSED  
150Hz  
X-OVER  
150Hz  
X-OVER  
1
BRIDGE  
2
CAUTION  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
ON/  
TYPICAL  
ON/  
TYPICAL  
DESIGNED BY MACKOIDS IN WOODINVILLE, WA, USA  
MANUFACTURED IN CHINA  
FABRIQUE EN CHINE  
“MACKIE” AND  
OFF  
OFF  
©2005 LOUD TECHNOLOGIES INC.  
LIMIT  
LIMIT  
THE “RUNNING MAN” FIGURE ARE REGISTERED  
TRADEMARKS OF LOUD TECHNOLOGIES INC.  
~120VAC 60Hz 1600W  
TO FIRST  
SPEAKER INPUT  
Passive Speakers (Mackie S408)  
CHANNEL 1  
COLD  
SPEAKER  
END  
AMPLIFIER  
END  
TO SECOND  
SPEAKER INPUT  
FROM "THRU"  
OUTPUT  
1–  
1–  
Crossover Cable  
(Pin 2+ to Pin 1+  
Pin 2– to Pin 1–)  
HOT  
1+  
2+  
1+  
2+  
2–  
2–  
COLD  
CHANNEL 2  
COLD  
1–  
1–  
TO SECOND  
SPEAKER INPUT  
FROM "THRU"  
OUTPUT  
1+  
1+  
HOT  
2+  
2+  
Stereo Dual-Channel Speakon Connection  
2–  
2–  
CHANNEL 2  
20  
M-Series  
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Appendix A: Service Information  
Is the SHORT [4] LED lit? Turn the POWER off,  
Warranty Service  
check the speaker connections and make sure that  
there are no strands of wire shorting across the  
speaker terminals.  
Details concerning Warranty Service are spelled out in  
the Warranty section on page 27.  
Is the OVER TEMP [5] LED lit? Make sure there is  
cool air available at the rear of the amplifier. Make  
sure there is room at the front of the amplifier for  
warm air to exit. Allow the amplifier to cool off.  
If you think your M-Series amplifier has a problem,  
please do everything you can to confirm it before calling  
for service. Doing so might save you from the depriva-  
tion of your amplifier and the associated suffering.  
Is the PROTECT [3] LED lit? The power trans-  
former may have overheated and shut down the  
amplifier. Turn the amplifier off and wait until  
the transformer cools down (it could take several  
hours).  
These may sound obvious to you, but here are some  
things you can check. Read on.  
Troubleshooting  
Are there fuses in the speaker or in-line fuses in the  
speaker wire? Check ’em to see if they’re blown.  
No Power  
Our favorite question: Is it plugged in? Make sure  
the AC outlet is live (check with a tester or lamp).  
Make sure the speakers are working properly.  
One side is way louder than the other!  
Our next favorite question: Is the POWER [6]  
switch on? If not, try turning it on.  
Do the amplifier’s meters [2] read the same on both  
sides? If not, your source signal may be delivering  
an out-of-balance stereo signal.  
Is the light in the power switch illuminated? If not,  
make sure the AC outlet is live. If so, refer to “No  
Sound” below.  
Are both Gain [1] knobs set to the same position?  
Are the speaker(s) impedances matched?  
The AC line breaker on the rear panel has popped.  
To reset the breaker, turn the power switch off,  
push in the button on the breaker, and turn the  
power switch back on.  
Try swapping sides: Turn off the amp, swap the  
speaker cables at the amp, turn the amp back on.  
If the same side is still louder, the problem is with  
your speakers or speaker cabling. If the other side  
is louder now, the problem is with the mixer, the  
amp, or the line-level cabling.  
If the breaker pops again, disconnect the speakers  
from the amplifier and repeat the above procedure.  
If the breaker pops again, there may be a problem  
with the amplifier. Refer to “Repair” on the next  
page to find out how to proceed.  
The stereo music sounds kind of sideways,  
and the bass frequencies diminish when  
standing center, but get louder as you ap-  
proach one side!  
No sound!  
Are the Gain [1] controls turned all the way down?  
Check the polarity of the speaker cable connec-  
tions. You may have your positive and negative con-  
nections reversed at one end of one speaker cable.  
Slowly turn them up and see if you hear anything.  
Is the signal source turned up? Make sure the  
signal level from the mixing console (or whatever  
device immediately precedes the amplifier) is high  
enough to produce sound in the amplifier. The SIG  
LEDs [2] should be blinking to indicate that signal  
is present.  
As soon as the music gets loud, the amp  
shuts down!  
Check the amplifier’s meters [2]. Be sure that OL is  
not lighting up frequently or continuously.  
If the speakers are wired for BRIDGE mode, make  
sure the AMP MODE [8] switch is set to BRIDGE.  
Can the amp breathe? The M-Series amplifier draws  
its ventilation air in from the rear and out through  
the front. It needs plenty of fresh air to stay cool.  
Do not block the ventilation ports.  
Is the X-OVER [11] switch set to LPF? If so, you are  
only getting the lowest frequencies (below 150 Hz)  
through the speakers. Set the X-OVER switch to the  
FULL position to verify sound is present.  
Is the SHORT [4] LED lit? If so, you’ve got a dead  
short somewhere in your speaker setup, or the total  
impedance of the load is too low. Turn the amp off  
and rectify that right away.  
21  
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It hurts when I touch my arm, or my leg, or  
even my head!  
Repair  
Service for Mackie products is available at a factory-  
authorized service center. Service for Mackie products  
living outside the United States can be obtained through  
local dealers or distributors.  
You have a broken finger.  
Bad sound!  
Is it loud and distorted? Turn down the signal com-  
ing from the mixer or signal source.  
If your M-Series amplifier needs service, follow these  
instructions:  
Is the input connector plugged completely into the  
jack? Check the speaker connections and verify  
that all connections are tight and that there are no  
stray strands of wire shorting across the speaker  
terminals.  
1. Review the preceding troubleshooting suggestions.  
Please.  
2. Call Tech Support at 1-800-898-3211, 7 am to 5 pm  
PST, to explain the problem and obtain a Service  
Request Number. Have your serial number ready.  
You must have a Service Request Number before  
you can obtain warranty service.  
If possible, listen to the signal source with head-  
phones plugged into the console. If it sounds bad  
there, the problem’s not in the amplifier.  
Noise/Hum  
3. Keep this owner’s manual and the detachable line-  
cord. We don’t need them to repair the amplifier.  
Check the signal cable between the mixer and the  
amplifier. Make sure all connections are good and  
sound.  
4. Pack the amplifier in its original package, includ-  
ing endcaps and box. This is VERY IMPORTANT.  
Mackie is not responsible for any damage that  
occurs due to non-factory packaging.  
Make sure the signal cable is not routed near AC  
cables, power transformers, or other EMI-inducing  
device.  
5. Include a legible note stating your name, shipping  
address (no P.O. boxes), daytime phone number,  
Service Request Number, and a detailed description  
of the problem, including how to duplicate it.  
Is there a light dimmer or other SCR-based device  
on the same AC circuit as the amplifier? Use an AC  
line filter or plug the amplifier into a different AC  
circuit.  
6. Write the Service Request Number in BIG PRINT  
on top of the box. Units sent without the Service  
Request Number will be refused.  
If possible, listen to the signal source with head-  
phones plugged into the console. If it sounds noisy  
there, the problem’s not in the amplifier.  
7. Tech Support will tell you where to ship the amplifier  
for repair. We suggest insurance for all forms of cartage.  
For additional up-to-date information please visit our  
8. You will need to contact the authorized service cen-  
ter for their latest turn-around times. The amplifier  
must be packaged in its original packing box, and  
must have the Service Request Number on the box.  
Once it’s repaired, the authorized service center will  
ship it back, pre-paid (if it was a warranty repair).  
Note: Under the terms of the warranty, you must  
ship or drop-off the unit to an authorized service  
center. The return ground shipment is covered for  
those units deemed by us to be under warranty.  
Note: You must have a sales receipt from an Autho-  
rized Mackie Dealer to qualify for a warranty repair.  
Need Help?  
You can reach a technical support representative  
Monday through Friday  
from 7 AM to 5 PM PST at:  
1-800-898-3211  
or email us at: [email protected]  
22  
M-Series  
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Appendix B: Technical Info  
M-Series Specifications  
M•2000  
M•3000  
M•4000  
Continuous Average Output Power in watts, both channels driven  
20 Hz-20 kHz into 8 ohms per channel  
325  
525  
475  
800  
650  
20 Hz-20 kHz into 4 ohms per channel  
40 Hz-20 kHz into 2 ohms per channel  
Bridge Mono: 20 Hz-20 kHz into 8 ohms  
Bridge Mono: 40 Hz-20 kHz into 4 ohms  
1050  
1600  
2100  
3200  
800  
1200  
1600  
2400  
1050  
1600  
Maximum Output Power in watts, both channels driven  
1 kHz @ 1% THD into 8 ohms per channel  
400  
650  
600  
800  
1 kHz @ 1% THD into 4 ohms per channel  
1 kHz @ 1% THD into 2 ohms per channel  
Bridge Mono: 1 kHz @ 1% THD into 8 ohms  
Bridge Mono: 1 kHz @ 1% THD into 4 ohms  
1000  
1500  
2000  
3000  
1300  
2000  
2600  
4000  
1000  
1300  
2000  
Note: Power ratings are specified at 120VAC (U.S. and Canada) and 240VAC (Export) line voltages.  
The M-Series power amplifiers draw large amounts of current from the AC line with continuous sine wave testing. Accurate mea-  
surement of power requires a steady and stable AC supply. This means the line impedance must be very low to insure that the peak  
AC line voltage does not sag to less than 97% of its value.  
If driving highly reactive loads, we recommend that the limiter circuit be engaged.  
Power Bandwidth (rated power into 4 ohms):  
Maximum Input Level:  
20 Hz to 20 kHz  
9.75 volts (+22 dBu)  
(Output power typically –3 dB at 50 kHz. Amplifier protection cir-  
cuits typically mute the output signal above 40 kHz at full power.)  
Rise Time (8 ohms):  
< 6 µs  
Frequency Response (1 watt into 8 ohms):  
Slew Rate:  
< 10 Hz to 55 kHz (+0, –3 dB)  
M•2000  
Voltage Slew Rate 50V/µs  
Distortion:  
THD, SMPTE IMD  
< 0.05% @ 8Ω  
< 0.10% @ 4Ω  
< 0.20% @ 2Ω  
Current Slew Rate 25A/µs at 2Ω  
H-Switch Slew Rate 10-50V/µs (program dependent)  
M•3000  
Voltage Slew Rate 55V/µs  
Current Slew Rate 27.5A/µs at 2Ω  
H-Switch Slew Rate 16-70V/µs (program dependent)  
Signal-to-Noise Ratio:  
> 107 dB below rated power into 4 ohms  
M•4000  
Voltage Slew Rate 60V/µs  
Current Slew Rate 30A/µs at 2Ω  
H-Switch Slew Rate 16-70V/µs (program dependent)  
Channel Separation:  
> 80 dB @ 1 kHz  
Damping Factor:  
> 500 (8 ohms @ 400 Hz)  
CMRR:  
> 34 dB, 20Hz to 20kHz  
Input Impedance:  
24 kΩ balanced  
12 kΩ balanced  
Load Angle:  
8(±jx) time independent at 8Ω  
4(±jx) time dependent, T > 6 min. at 4Ω  
2(1±jx) time dependent, T > 2 min. at 2Ω  
Input Sensitivity:  
1.23 volts (+4 dBu) for rated power into 4 ohms  
Transient Recovery:  
< 1µs for 10 dB overdrive @ 1kHz  
Gain:  
M•2000 31.4 dB (37.3 V/V)  
M•3000 33.3 dB (46.0 V/V)  
M•4000 34.4 dB (52.7 V/V)  
Maximum Output Offset Voltage:  
±50 mV  
23  
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High Frequency Overload and Latching:  
Physical:  
No latch up at any frequency or level.  
M•2000  
Height  
3.5 in/89 mm  
High Frequency Stability:  
Unconditionally stable driving any resistive or reactive load.  
Width  
Depth  
Overall Depth  
Weight  
19.0 in/483 mm  
15.7 in/398 mm  
17.0 in/432 mm  
41 lb/18.6 kg  
Turn On Delay:  
3 seconds  
M•3000  
Height  
Width  
Depth  
Overall Depth  
Weight  
3.5 in/89 mm  
High-Pass Filter:  
150 Hz, 2nd-Order Butterworth  
19.0 in/483 mm  
18.1 in/460 mm  
19.5 in/494 mm  
48 lb/21.8 kg  
Low-Pass Filter:  
150 Hz, 2nd-Order Butterworth  
M•4000  
Height  
Width  
Depth  
Overall Depth  
Weight  
3.5 in/89 mm  
Limiter Section:  
Complementary Positive and Negative Peak Detecting  
19.0 in/483 mm  
18.1 in/460 mm  
19.5 in/494 mm  
53 lb/24.0 kg  
Indicators:  
Power ON LED (in power switch)  
6 meter LEDs per channel  
LOUD Technologies Inc. is always striving to improve our prod-  
ucts by incorporating new and improved materials, components,  
and manufacturing methods. Therefore, we reserve the right to  
change these specifications at any time without notice.  
SIG (Signal Present), –20, –9, –6, –3, OL (Overload)  
CH 1 & 2  
PROTECT LEDs, SHORT LEDs, OVER TEMP LEDs  
“Mackie.” and the “Running Man” are registered trademarks of  
LOUD Technologies Inc. All other brand names mentioned are  
trademarks or registered trademarks of their respective hold-  
ers, and are hereby acknowledged.  
AC Line Power:  
U.S./Canada  
Europe  
Japan  
120VAC, 60Hz  
240VAC, 50Hz  
100VAC, 50/60Hz  
220VAC, 60Hz  
©2006 LOUD Technologies Inc. All Rights Reserved.  
Korea  
(Factory configured)  
AC Drop-out Voltage:  
At approximately 65% of rated line voltage  
M-Series Dimensions  
17.6 in/446 mm  
M•2000  
WEIGHT  
36 lbs.  
(16.3 kg)  
.
M
2000  
H
I
G
H
E
F
F
I
C
I
E
N
C
Y
P
O
W
E
R
A
M
P
L
I
F
I
E
R
OL  
-3  
OL  
-3  
1
2
INTERNAL  
STATUS  
INTERNAL  
STATUS  
-6  
-6  
PROTECT  
SHORT  
PROTECT  
SHORT  
-9  
-9  
-20  
-20  
SIG  
OVER TEMP  
OVER TEMP  
SIG  
O O  
MAX  
O O  
MAX  
POWER  
19.0 in/483 mm  
24  
M-Series  
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17.6 in/446 mm  
M•3000  
WEIGHT  
47 lbs.  
(21.3 kg)  
.
M
3000  
H
I
G
H
E
F
F
I
C
I
E
N
C
Y
P
O
W
E
R
A
M
P
L
I
F
I
E
R
OL  
-3  
OL  
-3  
1
2
INTERNAL  
STATUS  
INTERNAL  
STATUS  
-6  
-6  
PROTECT  
SHORT  
PROTECT  
SHORT  
-9  
-9  
-20  
-20  
SIG  
OVER TEMP  
OVER TEMP  
SIG  
O O  
MAX  
O O  
MAX  
POWER  
19.0 in/483 mm  
17.6 in/446 mm  
M•4000  
WEIGHT  
53 lbs.  
(24.0 kg)  
.
M
4000  
H
I
G
H
E
F
F
I
C
I
E
N
C
Y
P
O
W
E
R
A
M
P
L
I
F
I
E
R
OL  
-3  
OL  
-3  
1
2
INTERNAL  
STATUS  
INTERNAL  
STATUS  
-6  
-6  
PROTECT  
SHORT  
PROTECT  
SHORT  
-9  
-9  
-20  
-20  
SIG  
OVER TEMP  
OVER TEMP  
SIG  
O O  
MAX  
O O  
MAX  
POWER  
19.0 in/483 mm  
25  
Owner’s Manual  
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M-Series Block Diagram  
T C E T O R P  
T R O H S  
T C E T O R P  
T R O H S  
P M E T R E V O  
P M E T R E V O  
26  
M-Series  
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M-Series Limited Warranty  
Please keep your sales receipt in a safe place.  
F. Any products returned to one of the LOUD Technologies  
A. LOUD Technologies Inc. warrants all materials, workmanship  
and proper operation of this product for a period of five years  
from the original date of purchase. If any defects are found  
in the materials or workmanship or if the product fails to  
function properly during the applicable warranty period, LOUD  
Technologies, at its option, will repair or replace the product.  
This warranty applies only to equipment sold and delivered  
within the U.S. by LOUD Technologies Inc. or its authorized  
dealers.  
factory-authorized service centers and deemed eligible for repair  
or replacement under the terms of this warranty will be repaired  
or replaced within thirty days of receipt. LOUD Technologies  
and its authorized service centers may use refurbished parts for  
repair or replacement of any product. Products returned to LOUD  
Technologies that do not meet the terms of this Warranty will be  
not be repaired unless payment is received for labor, materials,  
return freight, and insurance. Products repaired under warranty  
will be returned freight prepaid by LOUD Technologies to any  
location within the boundaries of the USA.  
B. Failure to register online or return the product registration  
card will not void the five-year warranty.  
G. LOUD Technologies warrants all repairs performed for 90  
days or for the remainder of the warranty period. This warranty  
does not extend to damage resulting from improper installation,  
misuse, neglect or abuse, or to exterior appearance. This  
warranty is recognized only if the inspection seals and serial  
number on the unit have not been defaced or removed.  
C. Service and repairs of Mackie products are to be performed  
only at a factory-authorized facility (see D below). Unauthorized  
service, repairs, or modification will void this warranty. To obtain  
repairs under warranty, you must have a copy of your sales receipt  
from the authorized Mackie dealer where you purchased the  
product. It is necessary to establish purchase date and determine  
whether your Mackie product is within the warranty period.  
H. LOUD Technologies assumes no responsibility for the quality  
or timeliness of repairs performed by an authorized service  
center.  
D. To obtain factory-authorized service:  
1. Call Mackie Technical Support at 800/898-3211, 7 AM  
to 5 PM Monday through Friday (Pacific Time) to get a  
Service Request Number. Products returned without a Service  
Request Number will be refused.  
I. This warranty is extended to the original purchaser and to  
anyone who may subsequently purchase this product within the  
applicable warranty period. A copy of the original sales receipt is  
required to obtain warranty repairs.  
2. Pack the product in its original shipping carton. Also  
include a note explaining exactly how to duplicate the  
problem, a copy of the sales receipt with price and date  
showing, and your return street address (no P.O. boxes or  
route numbers, please!). If we cannot duplicate the problem  
or establish the starting date of your Limited Warranty, we  
may, at our option, charge for service time.  
J. This is your sole warranty. LOUD Technologies does not  
authorize any third party, including any dealer or sales  
representative, to assume any liability on behalf of LOUD  
Technologies or to make any warranty for LOUD Technologies Inc.  
K. THE WARRANTY GIVEN ON THIS PAGE IS THE SOLE  
WARRANTY GIVEN BY LOUD TECHNOLOGIES INC. AND IS IN  
LIEU OF ALL OTHER WARRANTIES, EXPRESS AND IMPLIED,  
INCLUDING THE WARRANTIES OF MERCHANTABILITY AND  
FITNESS FOR A PARTICULAR PURPOSE. THE WARRANTY  
GIVEN ON THIS PAGE SHALL BE STRICTLY LIMITED IN  
DURATION TO FIVE YEARS FROM THE DATE OF ORIGINAL  
PURCHASE FROM AN AUTHORIZED MACKIE DEALER. UPON  
EXPIRATION OF THE APPLICABLE WARRANTY PERIOD, LOUD  
TECHNOLOGIES INC. SHALL HAVE NO FURTHER WARRANTY  
OBLIGATION OF ANY KIND. LOUD TECHNOLOGIES INC.  
SHALL NOT BE LIABLE FOR ANY INCIDENTAL, SPECIAL, OR  
CONSEQUENTIAL DAMAGES THAT MAY RESULT FROM ANY  
DEFECT IN THE MACKIE PRODUCT OR ANY WARRANTY  
CLAIM. Some states do not allow exclusion or limitation of  
incidental, special, or consequential damages or a limitation on  
how long warranties last, so some of the above limitations and  
exclusions may not apply to you. This warranty provides specific  
legal rights and you may have other rights which vary from state  
to state.  
3. Ship the product in its original shipping carton, freight  
prepaid to the authorized service center. The address of  
your closest authorized service center will be given to you by  
Technical Support.  
IMPORTANT: Make sure that the Service Request Number  
is plainly written on the shipping carton.  
E. LOUD Technologies reserves the right to inspect any products  
that may be the subject of any warranty claims before repair  
or replacement is carried out. LOUD Technologies may, at our  
option, require proof of the original date of purchase in the form  
of a dated copy of the original dealer’s invoice or sales receipt.  
Final determination of warranty coverage lies solely with LOUD  
Technologies.  
27  
Owner’s Manual  
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16220 Wood-Red Road NE • Woodinville, WA 98072 • USA  
United States and Canada: 800.898.3211  
Europe, Asia, Central and South America: 425.487.4333  
Middle East and Africa: 31.20.654.4000  
Download from Www.Somanuals.com. All Manuals Search And Download.  

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