M-SERIES
HIGH EFFICIENCY POWER AMPLIFIERS
M•2000
M•3000
M•4000
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Table of Contents
Getting Started..........................................................................................................5
Front Panel.................................................................................................................................................10
Rear Panel...................................................................................................................................................12
Appendix A: Service Information........................................................................21
Warranty Service......................................................................................................................................21
Troubleshooting.......................................................................................................................................21
Repair......................................................................................................................................................... 22
M-Series Specifications..........................................................................................................................23
M-Series Dimensions..............................................................................................................................24
M-Series Block Diagram........................................................................................................................26
M-Series Limited Warranty..................................................................................27
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
/
4Ω LOAD MIN
LPF
LPF
2600W BRIDGE
8Ω LOAD 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
/
4Ω LOAD MIN
LPF
LPF
2600W BRIDGE
8Ω LOAD 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
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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
/
4Ω LOAD MIN
LPF
LPF
2600W BRIDGE
8Ω LOAD 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
/
4Ω LOAD MIN
LPF
LPF
2600W BRIDGE
8Ω LOAD 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
/
4Ω LOAD MIN
LPF
LPF
2600W BRIDGE
8Ω LOAD 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
/
4Ω LOAD MIN
LPF
LPF
2600W BRIDGE
8Ω LOAD 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
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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
4Ω LOAD MIN
LPF
LPF
2600W BRIDGE
8Ω LOAD 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
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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
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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
/
4Ω LOAD MIN
LPF
LPF
2600W BRIDGE
8Ω LOAD 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
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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
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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 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
E-mail: [email protected]
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