Mackie Stereo Amplifier 800R User Manual

PREMIUM EIGHT CHANNEL  
MICROPHONE PREAMP  
w/192 kHz DIGITAL OUTPUT  
O W N E R ’ S M A N U A L  
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Table of Contents  
Introduction................................................................................................................4  
Getting Started ..........................................................................................................5  
Zero the Controls .......................................................................................................................................5  
Connections.................................................................................................................................................5  
Set the Levels ..............................................................................................................................................5  
Start Recording...........................................................................................................................................5  
Hookup Diagrams......................................................................................................6  
Onyx 800R Features ...............................................................................................10  
Front Panel.................................................................................................................................................10  
Rear Panel................................................................................................................................................... 12  
Appendix A: Service Information........................................................................16  
Warranty Service......................................................................................................................................16  
Troubleshooting .......................................................................................................................................16  
Repair .......................................................................................................................................................... 17  
Appendix B: Connections ......................................................................................18  
Appendix C: Technical Info .................................................................................. 20  
Onyx 800R Specifications ....................................................................................................................20  
Onyx 800R Block Diagram ....................................................................................................................22  
Onyx 800R Limited Warranty .............................................................................23  
Please write your serial number here for future  
reference (i.e., insurance claims, tech support,  
return authorization, etc.)  
Purchased at:  
Date of purchase:  
information about this and other Mackie products.  
Part No. 0008666 Rev. A 4/04  
©2004 LOUD Technologies Inc. All Rights Reserved.  
3
Owner’s Manual  
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Introduction  
Thank you for choosing a Mackie Onyx 800R eight-  
channel professional microphone preamplifier. The Onyx  
Series of mixers and microphone preamps are designed  
for the digital era and offer the newest features and latest  
technologies for live sound reinforcement and analog or  
digital studio recording in a durable, road-worthy package.  
HOW TO USE THIS MANUAL  
We know that many of you can’t wait to get your new  
microphone preamplifier hooked up, and you’re probably  
not going to read the manual first (sigh!). So the first sec-  
tion after this introduction is a Quick-Start Guide called  
“Getting Started” to help you get the Onyx 800R 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 and recording.  
The Onyx 800R is equipped with eight of our new  
premium precision-engineered studio-grade Onyx mic  
preamps. Mackie is renowned for the high-quality mic  
preamps used in our mixers, and the Onyx mic pre’s  
are better than ever, with specifications rivaling other  
stand-alone mic preamplifiers at twice the price.  
Then, when you have time, read the Features Descrip-  
tion section. This describes every knob, button, and  
connection point on the Onyx 800R.  
The Onyx 800R is designed to be a transparent audio  
interface for direct tracking to MDM, HDR, or DAW re-  
cording applications. Its selection of analog and digital  
output options provides the flexibility to connect in  
almost any application.  
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.  
Channels 1 and 2 feature an impedance select switch,  
which lets you fine tune the mic pre for vintage tube and  
ribbon microphones. Channels 1 and 2 also provide the  
option of engaging a Mid/Side Decoder for M-S stereo  
mic’ing. Adjusting the balance between channels 1 and 2  
with their gain controls provides an effective way to vary  
the width of the stereo image.  
This icon marks information that is  
critically important or unique to the  
Onyx 800R. For your own good, read  
them and remember them. They will  
be on the final test.  
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.  
Channels 7 and 8 feature high-impedance instrument  
inputs so you can connect an acoustic, electric, or bass  
guitar directly to the mic preamp, eliminating the need  
for an external direct box.  
Each channel has a mic/line switch, a polarity reverse  
switch, individual phantom power switch, low-cut filter  
switch, and a gain control.  
A PLUG FOR THE CONNECTOR SECTION  
Appendix B is a section on connectors: XLR connec-  
tors, balanced connectors, unbalanced connectors, and  
the two types of DB25 connectors used on the Onyx 800R.  
A sample rate selector allows you to choose 32, 44.1,  
48, 88.2, 96, 176.4, or 192 kHz sample rates, or to use  
an external clock connected to the external word clock  
input connector on the rear panel. You can also select  
between 24-bit or 16-bit dithered word lengths at the  
digital outputs.  
More resources on our website at www.mackie.com.  
THE GLOSSARY: A Haven of Non-Techiness for  
the Neophyte  
The rear panel provides individual XLR balanced  
mic input connectors for each channel, and balanced  
line inputs on a DB25 connector. Analog balanced line  
outputs are also provided on a DB25 connector. Digital  
outputs are provided on two optical Toslink connectors  
using the ADAT lightpipe digital audio format. AES/EBU  
or S/PDIF formats are available on a DB25 connector,  
with selection buttons for impedance, pro or consumer  
status bits, and single-wire (two-channel) or dual-wire  
(single-channel) operation.  
The “Glossary of Terms” is a fairly comprehensive  
dictionary of pro-audio terms. If terms like “clipping,”  
“noise floor,” or “unbalanced” leave you blank, refer to  
this glossary for a quick explanation.  
ARCANE MYSTERIES ILLUMINATED  
“Arcane Mysteries” discusses some of the down ‘n’  
dirty practical realities of microphones, fixed installa-  
tions, grounding, and balanced versus unbalanced lines.  
It’s a goldmine for the neophyte, and even the seasoned  
pro might learn a thing or two.  
4
ONYX 800R  
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Getting Started  
Set the Levels  
READ THIS PAGE!!  
To set the channel GAIN controls, it’s not even neces-  
sary to hear what you’re doing at the outputs of the  
preamplifier. The following steps must be performed one  
channel at a time.  
Even if you’re one of those people  
who never reads manuals, all we ask  
is that you read this page now before  
you begin using the Onyx 800R. You’ll  
be glad you did!  
1. Play something into the selected input. This could  
be an instrument, a singing or speaking voice, or  
a line input such as a CD player or tape recorder  
output. Be sure that the volume of the input source  
is the same as it would be during normal use. If it  
isn’t, you might have to readjust these levels later.  
Zero the Controls  
1. Turn down the channel GAIN controls.  
2. Set all push button switches to their “out” positions.  
3. Turn the POWER switch off.  
2. Adjust the channel’s GAIN control so that the “–20”  
and “0” LEDs light frequently or continuously, and  
the “OL” LED doesn’t light at all (or only flashes  
occasionally).  
Connections  
3. Repeat for each channel.  
If you already know how you want to connect the  
Onyx 800R, go ahead and connect the inputs and  
outputs the way you want them. If you just want to get  
sound through the preamp, follow these steps:  
Start Recording  
1. You should now see the signals from the Onyx 800R  
appearing on the meters in your MDM, HDR, or  
DAW. Start recording and hear the Onyx 800R in  
stunning crystal clarity.  
1. Plug a microphone into channel 1’s MIC input.  
2. Connect the analog line outputs to your MDM, HDR,  
or audio interface for your DAW. This requires ei-  
ther a DB25-to-DB25 audio cable or a DB25 break-  
out cable to either eight male XLR plugs or eight  
1/4" TRS plugs.  
Other Nuggets of Wisdom  
You can connect the analog outputs from any line-  
level source to the LINE LEVEL INPUTS on the  
Onyx 800R and use its high-quality analog-to-digital  
converters to get your analog signals to your digital  
recorder(s).  
3. You can connect the Toslink OPTICAL OUT connec-  
tors to your recording equipment if they are equipped  
with Toslink ADAT optical connectors. All eight chan-  
nels are always present at the LINE LEVEL OUTPUTS  
and the OPTICAL OUTs up to 96 kHz sampling (four  
channels at the OPTICAL OUTs at 176.4/192 kHz).  
Always turn the Onyx 800R off before making or  
changing connections.  
4. You can connect the DB25 AES/EBU OR S/PDIF  
OUT connector to your recording equipment if they  
are so equipped, but we recommend that you first  
read the section on pages 14-15 that describes this  
output and its associated buttons.  
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.  
Note: When using the OPTICAL OUTs or the AES/EBU  
OR S/PDIF OUT, make sure your MDM, HDR, or other  
audio interface is configured to clock off the incom-  
ing digital source. If you try to use their internal  
clocks, it’s simply not going to work right.  
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  
5. Plug in the detachable linecord, connect it to an AC  
outlet, and turn on the Onyx 800R’s POWER switch.  
the “Hookup” section that shows you some typical ways  
that you might use the Onyx 800R in real applications.  
After that, you can take the grand tour of the Onyx 800R,  
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. If the microphone is a dynamic microphone, set the  
impedance switch on channel 1 to the “D” position  
(2400 ). If it’s a condenser microphone, set the  
impedance switch to the “D” position (or to the  
manufacturers recommended impedance setting)  
and push in the 48V phantom power button to turn  
on the phantom power for channel 1.  
5
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Keyboard or other  
line-level input  
Electric Guitar  
Hookup Diagrams  
Drum  
Machine  
Stereo Synth  
Module  
Stereo Guitar  
Effects  
Mics  
Input 8  
Input 1  
110  
PRO  
CONS  
DUAL WIRE  
SINGLE WIRE  
ANALOG MICROPHONE PREAMP WITH 192kHz DIGITAL OUTPUT  
75Ω  
OPTICAL OUT  
EXTERNAL  
WORD  
SIDE  
MID  
~100-240 VAC  
50-60Hz 105W  
8
7
6
5
4
3
2
1
CLOCK IN  
44.1/48kHz  
MID/SIDE  
DECODE  
NORMAL  
MID/SIDE  
88.2/  
BALANCED LINE LEVEL  
INPUT  
TERMINATION  
96kHz  
AES/EBU OR S/PDIF OUT  
OFF  
ON (75)  
1-8 1-4  
5-8 1-8  
1-2  
3-4  
BALANCED LINE LEVEL  
OUTPUT  
176.4/  
192kHz  
OPTICAL or AES/EBU OR S/PDIF  
To Desktop  
or  
Digital I/O for Workstation  
Laptop Computer  
The OPTICAL OUTs or AES/EBU OR S/PDIF OUTs on the Onyx 800R can be con-  
nected directly to a digital audio interface for a DAW (Digital Audio Workstation).  
In this example, use the MIC/LINE switch for each channel to select between the  
microphones and the line-level input instruments.  
Onyx 800R Multitrack Recording with a DAW (Tracking)  
6
ONYX 800R  
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Drum  
Bass  
Guitar  
Machine  
Electric  
Guitar  
Keyboard or other  
line-level input  
Mics  
Input 5 Input 6  
HI-Z  
INPUTS  
(on front  
panel)  
110  
PRO  
DUAL WIRE  
SINGLE WIRE  
ANALOG MICROPHONE PREAMP WITH 192kHz DGL OUTPUT  
75Ω  
CONS  
OPTICAL OUT  
EXTERNAL  
WORD  
SIDE  
MID  
~100-240 VAC  
50-60Hz 105W  
8
7
6
5
4
3
2
1
CLOCK IN  
44.1/48kHz  
MID/SIDE  
DECODE  
NORMAL  
MID/SIDE  
88.2/  
BALANCED LINE LEVEL  
INPUT  
TERMINATION  
96kHz  
AES/EBU OR S/PDIF OUT  
OFF  
ON (75)  
1-8 1-4  
5-8 1-8  
1-2  
3-4  
BALANCED LINE LEVEL  
OUTPUT  
AES/EBU  
SPDIF = 75Ω  
=
110Ω  
/
PRO  
176.4/  
192kHz  
/
CONSUMER  
Portastudio  
with ADAT Optical Inputs  
The OPTICAL OUT on the Onyx 800R can be connected directly to a por-  
tastudio with ADAT optical inputs.  
Onyx 800R Multitrack Recording with a Portastudio (Tracking)  
7
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24-Channels  
from On-Stage  
Mic Splitter  
Push In Termination Button  
on Last Onyx 800R  
I
I
I
I
I
I
Word Clock  
Out  
You can use mic splitters to route the signals from the stage to three  
Onyx 800Rs in a rack, for 24-track live recording to a Mackie HDR.  
Onyx 800R Live Multitrack Recording with an HDR  
8
ONYX 800R  
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Bass  
Guitar  
Electric  
Guitar  
Vocal Mics  
HI-Z  
INPUTS  
(on front  
panel)  
Onyx 800R With Remarkable Mic Pre's  
110Ω  
PRO  
CONS  
DUAL WIRE  
SINGLE WIRE  
ANALOHONE PH 192kHUTPUT  
75Ω  
OPTICAL OUT  
EXTERNAL  
WORD  
CLOCK IN  
~100-240 VAC  
50-60Hz 105W  
8
7
6
5
4
3
2
1
44.1/48kHz  
MID/SIDE  
DECODE  
NORMAL  
MID/SIDE  
88.2/  
BALANCED LINE LEVEL  
INPUT  
TERMINATION  
96kHz  
AES/EBU OR S/PDIF OUT  
OFF  
1-8 1-4  
5-8 1-8  
ON (75)  
1-2  
3-4  
AES/EBU  
SPDIF = 75Ω  
=
110Ω  
/
PRO  
176.4/  
192kHz  
L  
Electric  
Guitar  
/
CONSUMER  
Stereo Guitar Effects  
Mixer With Unremarkable  
Mic Pre's  
Stereo EQ  
Stereo Power  
Amplifier  
Right PA Speaker  
Left PA Speaker  
This hookup diagram demonstrates how you can use the balanced line-  
level outputs on the Onyx 800R in a live mixing application.  
Onyx 800R Live Mixing  
9
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Onyx 800R Features  
Front Panel  
There are eight channels in the Onyx 800R. They  
all share the same features with the exceptions that  
channels 1 and 2 have an impedance select switch and  
a mid/side decode switch, and channels 7 and 8 have a  
high-impedance 1/4" input jack for connecting electric  
instruments directly to the preamp without a direct box.  
ANCE switch allows you to change the input impedance  
of the microphone inputs on channels 1 and 2. This  
allows you to change the characteristics of the sound of  
the microphone.  
There are four selections to choose from: A: 300 ohms,  
B: 500 ohms, C: 1300 ohms, and D: 2400 ohms. Select the  
impedance that is closest to the recommended imped-  
ance for your microphone. Or you can experiment with  
different settings and decide which one sounds best for  
your particular application.  
1. GAIN Control  
The GAIN control adjusts the input sensitivity of the mic  
and line inputs. This allows the signal from the outside  
world to be adjusted to optimal internal operating levels.  
Note: The 2400 ohm position (D) matches the nomi-  
nal input impedances of channels 3-8.  
If the signal is plugged into the XLR jack, there is 0 dB  
of gain (unity gain) with the knob turned all the way  
down, ramping up to 60 dB of gain fully up.  
4. Phase Switch  
When connected to the balanced line input (DB25  
connector), there is 20 dB of attenuation all the way  
down, and 40 dB of gain fully up, with a “U” (unity gain)  
mark at about 10:00.  
Pushing in this switch simply reverses the polarity of the  
signal. This provides an easy way to correct a microphone  
whose polarity is opposite from the other microphones,  
either from a miswired cable or from not following the AES  
standard for Pin 2/Pin 3.  
2. MIC/LINE Switch  
5. Low-Cut Switch  
This button selects the input source from either the  
XLR MIC inputs or the DB25 LINE inputs. When the but-  
ton is out, the XLR MIC input is used and the line input  
is disconnected. When the button is pushed in, the DB25  
LINE input is used and the XLR MIC input is disconnect-  
ed. This way, you can leave signals connected to both  
inputs without having to disconnect one or the other,  
and the 800R acts as a patchbay for your input sources.  
The Low-Cut switch, often referred to as a high-pass  
filter, cuts bass frequencies below 75 Hz at a rate of 18 dB  
per octave.  
+15  
In live situations, this is  
useful for removing micro-  
phone handling noise or  
stage rumble. It can also be  
used to reduce the “prox-  
imity effect” with certain  
microphones that accentu-  
ates the bass frequencies  
when a vocalist gets too  
close to the microphone.  
+10  
+5  
0
–5  
–10  
3. MIC IMPEDANCE Switch  
(Channels 1 and 2)  
–15  
20Hz  
100Hz  
1kHz  
10kHz 20kHz  
Low Cut  
Many classic, vintage, and ribbon microphones are very  
sensitive to the input impedance of the mic preamp, and  
operate best at specific impedances. The MIC IMPED-  
Channel 1  
Channel 8  
-
-
8
20  
0
OL  
MID  
1
20  
0
OL  
300A  
500B  
1300 C  
2400D  
48V  
48V  
0
0
-
HI Z  
A
GAIN  
GAIN  
B
C
30  
30  
U
U
D
LINE  
20  
U
40  
60  
20  
U
40  
60  
LINE  
MIC/LINE  
MIC  
IMPEDANCE  
-
HI Z (INST)  
UNBAL  
-20dB  
+40dB  
-20dB  
+40dB  
10  
ONYX 800R  
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HOWEVER: The HI-Z inputs are unbalanced, so if youre  
doing a live show and running a long cord between the  
instrument and the mixer (say over 25 or 30 feet), it is  
best to use a direct box with a balanced output to avoid  
picking up noise over the length of the cord.  
6. 48V Phantom Power Switch  
Most professional condenser microphones require  
phantom power, which is a low-current DC voltage  
delivered to the microphone on pins 2 and 3 of the XLR  
microphone connector. Push in the 48V button if your  
microphone needs phantom power. An LED lights next  
to the button to indicate that phantom power is active  
on that channel.  
10. POWER Switch  
This one is self-explanatory. When the POWER switch  
is turned ON (up), power is supplied to the Onyx 800R.  
Dynamic microphones, like Shures SM57 and SM58,  
do not require phantom power. However, phantom  
power will not harm most dynamic microphones should  
you accidentally plug one in while the phantom power  
is turned on. Be careful with older ribbon microphones.  
Check the manual for your microphone to nd out for  
sure whether or not phantom power can damage it.  
11. SAMPLE RATE Switch  
Turn this switch to select the sample rate used by the  
analog-to-digital converters (ADCs) and the digital output.  
This eight-position switch offers the following selections:  
32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192  
kHz, and EXTERNAL. The LED next to the selected sample  
rate lights to indicate the sample rate currently being used.  
7. Signal Level LEDs  
These LEDs indicate the channels signal level after  
the GAIN control.  
If EXTERNAL is selected, the 800R locks to the exter-  
nal clock connected to the EXTERNAL WORD CLOCK  
IN connector [19] on the rear panel.  
If youve followed the Set the Levelsprocedure on  
page 5, the 20 and 0 LEDs should light frequently, and  
the OL (Overload) LED should not light at all. If the  
OL LED is blinking frequently, the signal is probably  
distorted from overdriving the input. Either turn down  
the GAIN control or turn down the signal at its source.  
For any of the internal sample rate settings, the ADAT  
OPTICAL OUT and the AES/EBU OR S/PDIF OUT run  
at the selected sample rate, which is detected by the  
device to which the Onyx 800R is connected.  
12. LOCK  
8. UNBAL HI-Z Instrument Input  
(Channels 7-8)  
As described above, if EXTERNAL SAMPLE RATE is  
selected, the 800R locks to the the EXTERNAL WORD  
CLOCK IN on the rear panel. If there is not a valid clock  
connected to the EXTERNAL WORD CLOCK IN, the  
LOCK LED ashes, indicating the problem. If a valid ex-  
ternal clock is detected, the LOCK LED lights continu-  
ously and the corresponding sample rate LED will light.  
This is a 1/4 connector, which accepts an unbalanced  
instrument-level input signal from a high-impedance  
instrument like a guitar.  
"
9. MIC/LINE/HI-Z (INST) Switch  
Channels 7 and 8 have an extra button for switching  
between the MIC/LINE and HI-Z inputs. When the but-  
ton is out (MIC/LINE), the XLR MIC input or the DB25  
LINE input is used, depending on the setting of the  
MIC/LINE switch [2], and the HI-Z input is disconnect-  
ed. When the button is pushed in (HI-Z), the 1/4" HI-Z  
input is used and the XLR MIC and DB25 LINE inputs  
are disconnected. The input stage of the HI-Z inputs is  
specially designed for the high-impedance pickups on  
electric guitars, basses, acoustic guitar pickups, etc.  
13. BIT DEPTH  
This button determines the word length at the digital  
output, and toggles between 24-bit and 16-bit. The  
corresponding LED above the button lights to indicate  
the selection. You might use 24-bit when recording to a  
24-track hard disk recorder or DAW, and 16-bit when re-  
cording direct to 2-track on a CD-recorder or DAT deck.  
When 16-bit is selected, a dithering algorithm is applied  
to the digital signal to improve the dynamic range and  
reduce low-level distortion, called quantization noise.  
Plugging a guitar straight into a typi-  
cal line input can result in the loss of  
high frequencies, causing an unnatural  
and dull sound. Normally, you must use  
a direct box between a guitar and a  
ANALOG MIC PREAMP WITH 192z DIGITAL OUTPUT  
ON  
LOCK  
24 16  
BIT BIT  
32kHz  
96kHz  
(DITHER)  
44.1kHz  
48kHz  
176.4kHz  
192kHz  
EXTERNAL  
mixers or preampliers input, which serves to convert  
the impedance of the guitar from high to low. The HI-Z  
inputs on channels 7 and 8 make the need for a direct  
box unnecessary.  
BIT  
88.2kHz  
SAMPLE RATE DEPTH  
11  
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15. MID/SIDE DECODE  
Rear Panel  
The Onyx 800R has a built-in Mid/Side decoder for  
stereo micing. The Mid/Side (or M-S) stereo micing  
technique not only provides a stereo image of the  
source, but allows you to adjust the width of the image  
by varying the balance between the Mid (or mono) and  
Side signals. See A Closer Look at Mid/Side Recording”  
below for more info.  
The rear panel is where you make all your analog and  
digital audio connections to the Onyx 800R (except for  
the high-impedance instrument jacks on the front).  
14. MIC Inputs  
These are female XLR connectors, which accept a  
balanced microphone input from almost any type of  
microphone. The microphone preamps feature our new  
Onyx design, with higher delity and headroom rivaling  
any standalone mic preamp on the market today.  
When using this technique, connect a cardioid (mid)  
microphone to channel 1 and a gure 8 (side) micro-  
phone to channel 2. Push in the MID/SIDE DECODE  
button, and the left signal from the decoder is sent to  
the channel 1 output, and the right signal from the  
decoder is sent to the channel 2 output.  
The XLR inputs are wired as follows:  
Pin 1 = Shield or ground  
Pin 2 = Positive (+ or hot)  
Pin 3 = Negative (or cold)  
A CLOSER LOOK AT MID/SIDE RECORDING  
The Onyx 800R has a decoder built-in, which is  
activated by pushing in the MID/SIDE DECODE but-  
ton on the rear panel. Connect the MID microphone  
to channel 1 and the SIDE microphone to channel  
2. The signals pass through the decoder just prior to  
the A/D converters and the analog line outputs.  
A number of stereo recording techniques have  
been developed over the years including Blumlein,  
ORTF, spaced pair, and coincident pair, of which X-Y  
and M-S are a subset. They each have their advantag-  
es, depending on the application. Lets look at what  
the M-S method has to offer.  
M-S (Mid-Side) requires the use of two micro-  
phones, one with a cardioid pickup and one with  
a gure-8 (bidirectional) pattern. The cardioid  
microphone (mid) faces straight forward toward the  
center of the sound source, while the gure-8 (side)  
microphones two elements face sideways, perpendic-  
ular to the mid microphone. It is important that the  
null of the gure 8 mic aligns with the zero degree  
line of the cardioid.  
Stereo recording reproduces the instruments in  
the same relative locations within the stereo image  
as they were in the original performance. The side  
to side stereo image and, to some extent, the front to  
back depth of image are preserved.  
The M-S stereo recording technique allows you  
to adjust the width of the stereo image by varying  
the ratio between the mid and side signals. With  
the 800R, this is accomplished by adjusting the gain  
controls on channels 1 and 2.  
MID  
0°  
Notice that the adjustments are made prior to the  
decoder. Adjusting the ratio of the left and right sig-  
nals after the decoder will not have the same effect.  
If you want to adjust the stereo image later during  
mixdown, record the raw MID and SIDE signals to  
tape with the decoder turned off. Then, when you are  
doing the nal mix, run the recorded MID and SIDE  
signals through channels 1 and 2 with the decoder  
turned on and experiment with the gain controls on  
channels 1 and 2 to adjust the stereo image to your  
liking.  
+
SIDE  
+
=
CARDIOID  
FIGURE 8  
Some microphone manufacturers make stereo mics  
designed specically for M-S recording, with all three  
elements properly aligned in one housing. Theres  
nothing wrong with using two separate microphones,  
however, as long as the capsules are as coincident  
(occupying the same space) as possible.  
Another benet of this recording technique is that  
the stereo recording is mono compatible. This is  
especially important for broadcast and lm produc-  
tion applications.  
The M-S technique requires a special decoder  
that produces a left and right stereo signal. The left  
channel is the sum of the mid and side microphones  
(M+S), and the right channel is the difference be-  
tween the mid and side microphones (M-S).  
12  
ONYX 800R  
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16. BALANCED LINE LEVEL INPUT  
19. EXTERNAL WORD CLOCK IN  
This is a DB25 connector, which accepts eight balanced  
line-level input signals from almost any source.  
This BNC connector receives word clock from another  
device when the SAMPLE RATE selector on the front panel  
is set to EXTERNAL. Use this connector when you have mul-  
tiple devices that must all operate from a master word clock.  
This uses the TASCAM standard pin configuration for  
balanced analog audio signals (the same standard used  
on the analog cards for the Mackie D8B and Hard Disk  
Recorders). Use the LINE switch on the front panel to  
select these line-level inputs instead of the MIC inputs.  
Use 75 coaxial cable when connecting  
a word clock to the EXTERNAL WORD  
CLOCK IN jack. If there is more than  
one device to connect to the word clock,  
either use a master word clock distribu-  
See Appendix B for a wiring diagram of this connector.  
tion box, which distributes the master word clock to mul-  
tiple devices, or use a BNC T-adapter to feed the signal on  
to the next device in the chain (see illustrations below).  
17. BALANCED LINE LEVEL OUTPUT  
This is a DB25 connector, which provides balanced  
line-level analog outputs for channels 1-8. It uses the  
same TASCAM standard pin configuration as the line-  
level inputs, and is designed to connect directly to a  
recorder’s analog inputs. These outputs are always active  
regardless of what is happening with the digital outputs.  
Word Clock  
Distribution Amplifier  
Onyx 800R  
See Appendix B for a wiring diagram of this connector.  
Word Clock to Other Slaves  
(The last device must be terminated)  
18. OPTICAL OUT  
These two Toslink connectors provide a digital output  
using the ADAT lightpipe format. At higher sample rates,  
the signal is multiplexed using the S/MUX format.  
EXTERNAL  
WORD  
CLOCK IN  
BNC T-Adapter  
At 32 kHz, 44.1 kHz, and 48 kHz sample rates: All eight  
channels are provided on both connectors.  
TIP: If you are recording a live show, you can use the  
second OPTICAL OUT to make a backup recording, “just  
in case.”  
Word Clock From Master  
20. TERMINATION  
At 88.2 kHz and 96 kHz sample rates: Channels 1-4 are  
provided on the left connector, and channels 5-8 are pro-  
vided on the right connector, as specified by the S/MUX II  
protocol for doubled sample rates.  
When connecting devices to a word clock, it is impor-  
tant that the connection is properly terminated. If an  
Onyx 800R is the only device connected to a word clock  
output, push in the TERMINATION button to terminate  
the connection with 75 ohms impedance.  
At 176.4 kHz and 192 kHz sample rates: Channels 1-2  
are provided on the left connector, and channels 3-4  
are provided on the right connector, as specified by the  
S/MUX IV protocol for quadrupled sample rates.  
If two or more Onyx 800Rs (or other devices) are con-  
nected to a word clock output in a daisy-chain fashion,  
as illustrated in the hookup diagram on page 8, leave the  
termination button out on all the Onyx 800Rs except for  
the last one in the chain. Remember, the last device in the  
chain is the one that should be terminated with 75 ohms.  
If you want to use the higher sample  
rates, check your recording device’s  
owner’s manual to make sure the opti-  
cal inputs support the S/MUX format.  
110  
PRO  
DUAL WIRE  
SINGLE WIRE  
ANALOG MICROPHONE PREAMP WITH 192kHz DIGITAL OUTPUT  
75Ω  
CONS  
OPTICAL OUT  
EXTERNAL  
WORD  
SIDE  
MID  
~100-240 VAC  
50-60Hz 105W  
8
7
6
5
4
3
2
1
CLOCK IN  
44.1/48kHz  
MID/SIDE  
DECODE  
NORMAL  
MID/SIDE  
88.2/  
BALANCED LINE LEVEL  
INPUT  
TERMINATION  
96kHz  
AES/EBU OR S/PDIF OUT  
OFF  
ON (75)  
1-8 1-4  
5-8 1-8  
1-2  
3-4  
BALANCED LINE LEVEL  
OUTPUT  
AES/EBU  
SPDIF = 75Ω  
=
110Ω  
/
PRO  
176.4/  
192kHz  
/
CONSUMER  
13  
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Note: Transferring digital audio over a  
cable generates EMI (electromagnetic  
21. AES/EBU OR S/PDIF OUT  
interference) around the cable. Use a  
high-quality shielded cable to mini-  
mize the EMI noise radiated around  
This DB25 connector produces a digital output for all  
eight channels in either AES/EBU format (PRO) or S/PDIF  
format (CONS). The audio data is the same for either  
format, but the electrical characteristics (voltage level, im-  
pedance) and non-audio data bits (subcode) are different.  
the cable. For example, Beldens 7880A cable shields each  
individual pair of wires as well as the entire cable, and is  
recommended by Belden for AES/EBU digital audio.  
This can be connected directly to a recording device  
with AES/EBU or S/PDIF inputs using an appropriate  
digital recorder interface cable.  
In general, the shorter the cable length,  
the less effect it has on the quality of  
the signal. The maximum length for an  
AES/EBU cable is 100 meters (about  
325 feet), and a S/PDIF cable is limited  
to 10 meters (about 32 feet).  
By the way, the most wonderful thing  
about standards is that there are so  
many to choose from. A variety of  
alternate pin-out congurations are  
The three buttons located just above the AES/EBU  
OR S/PDIF OUT connector can be used to customize the  
digital signal. The 110/75and PRO/CONS buttons  
in particular give you added exibility when interfacing  
with “finickydigital inputs.  
being used by various manufactur-  
ers for the AES/EBU DB25 interface. You will need to  
make a conversion cable when connecting between two  
devices that use different pin-outs for the AES/EBU or  
S/PDIF DB25 connectors. See Appendix B for a wiring  
diagram of this connector.  
22. 110/75Switch  
For AES/EBU connections:  
If you are using the AES/EBU format, the output is a  
balanced differential signal at a voltage specied at be-  
tween 2 to 7 V peak-to-peak into 110 ohms. In the S/PDIF  
format, the output signal is unbalanced at a voltage of 0.5  
V peak-to-peak into 75 ohms. So use the 110position  
for AES/EBU, and the 75position for S/PDIF.  
1. Most devices use a balanced 3-pin XLR connector  
for two-channel inputs, or a 25-pin DB25 connector for  
eight channels. Special AES/EBU cables are available  
from various manufacturers with DB25 connectors on  
both ends, or breakout cables are available for making  
digital audio connections from DB25 to XLR.  
Note: If you are using any kind of adapter to convert an  
AES/EBU connector to a S/PDIF connector, check to see  
if the adapter converts the impedance as well as the con-  
nector type. If this is the case, leave the 110/75switch  
in the 110position. Only use the 75position with true  
75-ohm coaxial cable connected directly to a S/PDIF input.  
These off-the-shelf cable harnesses have four male  
XLRs for the outputs, and four female XLRs for the in-  
puts. Since the Onyx 800R only has digital outputs, you  
wont use the female connectors.  
2. If you want a more streamlined cable harness, you  
can make your own (or have one made) with only the  
four connectors.  
23. PRO/CONS Switch  
For S/PDIF connections:  
Use this switch to select between the professional  
AES/EBU format or the consumer S/PDIF format.  
1. Most devices use an RCA connector for two-channel  
inputs, or a 25-pin DB25 connector for eight channels.  
Your best option for connecting to devices with RCA  
jacks is to use an AES/EBU breakout cable described  
above, and t it with XLR-to-RCA adapters (or build  
your own custom cable harness with four RCA connec-  
tors on it). Use a DB25-to-DB25 AES/EBU cable for  
devices with DB25 S/PDIF connections.  
Note: Strictly speaking, AES/EBU can transmit up to  
24-bits, while S/PDIF is limited to 20-bits because four  
bits are reserved for user bits.However, if 24-bit depth  
is selected, the four user bits are used for digital audio  
and 24-bits are transmitted (this is an accepted optional  
implementation of S/PDIF).  
110Ω  
PRO  
DUAL WIRE  
SINGLE WIRE  
ANALOG MICROPHONE PREAMP WITH 192kHz DIGITAL OUTPUT  
75Ω  
CONS  
OPTICAL OUT  
EXTERNAL  
WORD  
SIDE  
MID  
~100-240 VAC  
50-60Hz 105W  
8
7
6
5
4
3
2
1
CLOCK IN  
44.1/48kHz  
MID/SIDE  
DECODE  
NORMAL  
MID/SIDE  
88.2/  
BALANCED LINE LEVEL  
INPUT  
TERMINATION  
96kHz  
AES/EBU OR S/PDIF OUT  
OFF  
ON (75)  
1-8 1-4  
5-8 1-8  
1-2  
3-4  
BALANCED LINE LEVEL  
OUTPUT  
AES/EBU  
SPDIF = 75Ω  
=
110Ω  
/
PRO  
176.4/  
192kHz  
/
CONSUMER  
14  
ONYX 800R  
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24. DUAL WIRE/SINGLE WIRE Switch  
The original AES/EBU specication (IEC958 Type 1)  
provides for carrying two channels of digital audio at  
resolutions up to 24-bit at 48 kHz. When higher sam-  
pling rates became possible, two methods were devel-  
oped to transmit the digital audio at the higher sample  
ratesdouble-fast and double-wide.  
Check the owners manual for the device you are con-  
necting to the Onyx 800R, to nd out which method it  
supports.  
Note: The analog and optical outputs are not affected  
by the AES/EBU OR S/PDIF OUT settings.  
The double-fast method (single wire) clocks the  
digital I/O port at twice the speed to get twice the infor-  
mation through, providing support for resolutions up to  
24-bit at 96 kHz.  
25. Power Receptacle  
This is a standard 3-prong IEC power connector.  
Connect the detachable linecord (included in the box  
with your Onyx 800R) to the power receptacle, and plug  
the other end of the linecord into an AC outlet. The  
Onyx 800R has a universal power supply that can accept  
any AC voltage ranging from 100 VAC to 240 VAC. No  
need for voltage select switches. It will work virtually  
anywhere in the world. Thats why we call it a Planet-  
Earthpower supply! This also means that it is less  
susceptible to voltage sags or spikes, providing greater  
electromagnetic isolation and better protection against  
AC line noise.  
The double-wide method (dual wire) transmits one  
channel of digital audio instead of two channels through  
a single digital I/O port, again providing support for  
resolutions up to 24-bit at 96 kHz.  
This presents a problem when interconnecting digital  
audio equipment. Devices using the double-fast method  
cant talk to devices using the double-wide method.  
Remember the old Beta vs. VHS format wars? Maybe  
not. Well, the Onyx 800R has solved this dilemma with  
the ip of a switch! Heres how it works:  
At sampling rates up to 48 kHz: The position of the  
DUAL WIRE/SINGLE WIRE switch doesnt matter. Two  
channels of digital audio are transmitted on a single wire  
(one 3-pin XLR) as specied by the AES/EBU standard.  
At sampling rates of 88.2 kHz through 192 kHz: When  
connecting to devices that use the double-fast method,  
set the switch to the SINGLE WIRE position. This  
transmits two channels on a single wire (3-pin XLR) at  
twice the speed (88.2/96 kHz) or four times the speed  
(176.4/192 kHz). When connecting to devices that use  
the double-wide method, set the switch to the DUAL  
WIRE position. This transmits one channel on one wire  
(one 3-pin XLR) at normal speed (88.2/96 kHz) or twice  
the speed (176.4/192 kHz), but using twice the band-  
width. In the DUAL WIRE position at these sampling  
rates, only channels 1-4 are available.  
CH  
1-2  
CH  
3-4  
CH  
5-6  
CH  
7-8  
CH  
1-2  
CH  
3-4  
CH  
5-6  
CH  
7-8  
CH  
1
CH  
2
CH  
3
CH  
4
Single Wire  
(Two-Channel)  
@ 44.1/48 kHz (1x)  
Single Wire  
(Two-Channel)  
(Double-Fast)  
Dual Wire  
(Single-Channel)  
(Double-Wide)  
@ 88.2/96 kHz (2x)  
@ 176.4/192 kHz (4x)  
@ 88.2/96 kHz (1x)  
@ 176.4/192 kHz (2x)  
15  
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Appendix A: Service Information  
Warranty Service  
Details concerning Warranty Service are spelled out in  
the Warranty section on page 23.  
Bad Output  
If its the BALANCED LINE LEVEL OUTPUT [17],  
make sure the DB25 connector is correctly wired  
(see Appendix B: Connections).  
If you think your Onyx preamp has a problem, please  
do everything you can to conrm it before calling for  
service. Doing so might save you from the deprivation of  
your Onyx preamp and the associated suffering.  
If its the OPTICAL OUT [18], make sure the optical  
cable isnt kinked or damaged, and that the connec-  
tors are securely seated at both ends.  
These may sound obvious to you, but here are some  
things you can check. Read on.  
If its the AES/EBU OR S/PDIF OUT [21], make  
sure the DB25 connector is correctly wired (see  
Appendix B: Connections). Determine if the device  
to which the Onyx 800R is connected is operating  
in SINGLE WIRE or DUAL WIRE mode. Make sure  
the buttons above the AES/EBU OR S/PDIF OUT  
connector are in the correct positions.  
Troubleshooting  
No Power  
Our favorite question: Is it plugged in?  
Make sure the power cord is securely seated in the  
IEC socket [25] and plugged all the way into the  
AC outlet.  
Bad Sound  
Is the input connector plugged completely into the  
jack?  
Make sure the AC outlet is live (check with a tester  
or lamp).  
Is it loud and distorted? Make sure the input GAIN  
control for the channel is set correctly. Reduce the  
signal level on the input source if possible.  
Is the POWER [10] switch on? Make sure the  
POWER switch on the front panel is in the ON posi-  
tion (up).  
Are the Onyx 800R and the device to which it is  
connected locked to the same clock rate? If the  
Onyx 800R is operating on its own internal sample  
rate, make sure the device to which it is connected  
is set to external clock and is locking to the word  
clock either through the OPTICAL or the AES/EBU  
OR S/PDIF connections. If the Onyx 800R is set to  
EXTERNAL clock, make sure the LOCK LED is lit.  
Are any LEDs on the front panel illuminated? If not,  
make sure the AC outlet is live.  
Are all the lights out in your building? If so, contact  
your local power company to get power restored.  
If there are no LEDs illuminated on the front panel,  
and you are certain that the AC outlet is live, it will  
be necessary to have your Onyx 800R serviced. There  
are no user serviceable parts inside. Refer to Repair”  
at the end of this section to nd out how to proceed.  
If possible, listen to the signal with headphones  
plugged into the input source device. If it sounds  
bad there, its not the Onyx causing the problem.  
Noise/Hum  
Bad Channel  
Turn down each channel, one by one. If the noise  
disappears, its coming from whatever is plugged  
into that channel.  
Is the LINE switch [2] in the correct position?  
Is the input GAIN control [1] for the channel  
turned up?  
Check the signal cables between the input sources  
and the Onyx. Disconnect them one by one. When  
the noise goes away, youll know which input source  
is causing the problem.  
Is the signal source turned up? Make sure the  
signal level from the selected input source is high  
enough to light up some of the INPUT meter [7]  
LEDs for that channel.  
Sometimes it helps to plug all the audio equipment  
into the same AC circuit so they share a common  
ground.  
If it is channel 7 or 8, make sure the MIC/LINE/HI-Z  
switch [9] is in the right position.  
Try the same source signal in another channel, set  
up exactly like the suspect channel.  
Make sure you are using shielded cable designed for  
digital audio transmission, like Belden 7880A.  
16  
ONYX 800R  
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Repair  
7. Ship the preamplier to us. We suggest insurance  
Service for Mackie products is available at our galactic  
headquarters, located in sunny Woodinville, Washington.  
Service for Mackie products living outside the United  
States can be obtained through local dealers or distribu-  
tors.  
for all forms of cartage. Ship to this address:  
MACKIE  
SERVICE DEPARTMENT  
16220 Wood-Red Road NE  
Woodinville, WA 98072  
If your Onyx 800R needs service, follow these instructions:  
8. Well try to x the preamplier within three to ve  
business days. Ask Tech Support for the latest turn-  
around times when you call for your RA number.  
The preamp must be packaged in its original pack-  
ing box, and must have the RA number on the box.  
Once its repaired, well ship it back the same way  
in which it was received. This paragraph does not  
necessarily apply to non-warranty repair.  
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 request an RA  
(Return Authorization) number. Have your Onyx  
800Rs serial number ready. You must have an RA  
number before you can obtain service at the  
factory.  
Note: You must have a sales receipt from an Autho-  
rized Mackie Dealer to qualify for a warranty repair.  
3. Keep this owners manual and the detachable line-  
cord. We dont need them to repair the mixer.  
4. Pack the preamplier in its original package,  
including endcaps and box. This is VERY IMPOR-  
TANT. When you call for the RA number, please  
let Tech Support know if you need new packaging.  
Mackie is not responsible for any damage that oc-  
curs due to non-factory packaging.  
5. Include a legible note stating your name, shipping  
address (no P.O. boxes), daytime phone number, RA  
number, and a detailed description of the problem,  
including how we can duplicate it.  
6. Write the RA number in BIG PRINT on top of the box.  
Units sent to us without the RA number will be refused.  
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]  
17  
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Appendix B: Connections  
XLR Connectors  
1/4" TS Phone Plugs and Jacks  
Channels 1-8 use 3-pin female XLR connectors on the  
TSstands for Tip-Sleeve, the two connection points  
MIC inputs. They are wired as follows, according to stan- available on a mono 1/4" phone jack or plug. They are  
dards specied by the AES (Audio Engineering Society). used for unbalanced signals like the high-impedance  
instrument inputs on the Onyx 800R.  
2
SHIELD  
HOT  
SLEEVE  
SLEEVE  
TIP  
1
3
COLD  
TIP  
SHIELD  
1
TIP  
SLEEVE  
3
COLD  
2
HOT  
SHIELD  
COLD  
HOT  
1/4" TS Unbalanced Wiring:  
Sleeve = Shield  
Tip = Hot (+)  
1
3
2
XLR Balanced Wiring:  
Pin 1 = Shield  
Pin 2 = Hot (+)  
Pin 3 = Cold ()  
RCA Plugs and Jacks  
RCA-type plugs (also known as phono plugs) and jacks  
are often used in home stereo and video equipment, and  
to make S/PDIF connections on consumer digital audio  
devices. They are unbalanced and electrically equiva-  
lent to a 1/4" TS phone plug.  
1/4" TRS Phone Plugs and Jacks  
TRSstands for Tip-Ring-Sleeve, the three connection  
points available on a stereo 1/4" or balanced phone jack  
or plug. TRS jacks and plugs are used for balanced sig-  
nals and stereo headphones. Neither of these are used  
on the Onyx 800R, but were including them anyway, for  
your reference.  
TIP  
SLEEVE TIP SLEEVE  
RCA Unbalanced Wiring:  
Sleeve = Shield  
Tip = Hot (+)  
Balanced Mono  
RING SLEEVE  
TIP  
SLEEVE RING TIP  
Unbalancing a Line  
RING  
TIP  
In most studio, stage, and sound reinforcement situ-  
ations, there is a combination of balanced and unbal-  
anced inputs and outputs on the various pieces of  
equipment. This usually will not be a problem in making  
connections.  
SLEEVE  
1/4" TRS Balanced Mono Wiring:  
Sleeve = Shield  
Tip = Hot (+)  
Ring = Cold ()  
When connecting a balanced output to an unbal-  
anced input, be sure the signal high (hot) connec-  
tions are wired to each other, and that the balanced  
signal low (cold) goes to the ground (earth)  
Stereo Headphones  
RING SLEEVE  
TIP  
SLEEVE RING TIP  
connection at the unbalanced input. In most cases,  
the balanced ground (earth) will also be connected  
to the ground (earth) at the unbalanced input. If  
there are ground-loop problems, this connection  
may be left disconnected at the balanced end.  
RING  
TIP  
SLEEVE  
1/4" TRS Stereo Unbalanced Wiring:  
Sleeve = Shield  
Tip = Left  
Ring = Right  
18  
ONYX 800R  
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When connecting an unbalanced output to a bal-  
anced input, be sure that the signal high (hot)  
connections are wired to each other. The unbal-  
anced ground (earth) connection should be wired  
to the low (cold) and the ground (earth) connec-  
tions of the balanced input. If there are ground-loop  
problems, try disconnecting the unbalanced ground  
(earth) connection from the balanced input ground  
(earth) connection, leaving the unbalanced ground  
connected to the balanced input low (cold) con-  
nection only.  
Digital  
The AES/EBU OR S/PDIF OUT connector provides  
a digital output for all eight channels. If you have this  
output congured for AES/EBU, which is a balanced  
output, the connector is wired as follows:  
INPUTS NOT  
USED ON  
ONYX 800R  
(110 TERMINATION)  
In some cases, you may have to make up special  
adapters to interconnect your equipment. For example,  
you may need a balanced XLR female connected to an  
unbalanced 1/4" TS phone plug. Many common adapters  
can be found at your local electronics supply store.  
13 12 11 10 9  
8
7
6
5
4
3
2
1
DB25 Connectors  
25 24 23 22 21 20 19 18 17 16 15 14  
Digital DB25 AES/EBU Output  
Analog  
If you have this output congured for S/PDIF, which is  
The BALANCED LINE LEVEL INPUTs and BALANCED  
LINE LEVEL OUTPUTs on the back of the Onyx 800R  
provide balanced inputs and outputs for channels 1-8  
on two female DB25 connectors. These connectors are  
pin-for-pin compatible with the analog (not TDIF) DB25  
connectors found on TASCAM DTRS recorders, which has  
become an industry standard for many professional audio  
manufacturers. They are also the same pinout as the  
analog cards for the Mackie D8B and hard disk recorders.  
an unbalanced output, the connector is wired as follows:  
INPUTS NOT  
USED ON  
ONYX 800R  
(110 TERMINATION)  
Each DB25 connector provides eight balanced line-  
level inputs or outputs.  
13 12 11 10 9  
8
7
6
5
4
3
2
1
CH 1 CH 2 CH 3 CH 4 CH 5 CH 6 CH 7 CH 8  
25 24 23 22 21 20 19 18 17 16 15 14  
Digital DB25 S/PDIF Output  
N/C  
If you are using the DUAL WIRE position with the  
higher sample rates (88.2 kHz and up), the same  
cabling that you use for the SINGLE WIRE position will  
work as long as you have it connected to another device  
using the same method.  
13 12 11 10 9  
8
7
6
5
4
3
2
1
25 24 23 22 21 20 19 18 17 16 15 14  
Analog DB25 Line-Level Input and Output  
Note: A variety of alternate pin-out congurations  
have been developed by various manufacturers for the  
AES/EBU DB25 interface. Make sure the device you are  
connecting to has the same pin-out conguration as the  
Onyx 800R. If not, you will need to make a conversion  
cable so the signals arrive at the correct pins on the  
receiving end of the cable.  
Several companies make DB25-to-DB25 cables speci-  
cally for audio, with proper shielding to reduce crosstalk  
and noise.  
DB25 cables that break out to XLR, 1/4" TRS, or TT  
connectors for connecting to other mixers or audio gear  
are also readily available. See your Mackie dealer for  
details.  
19  
Owner’s Manual  
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Appendix C: Technical Info  
Onyx 800R Specifications  
Frequency Response  
Maximum Input Levels  
Mic Input to Line Output (Gain @ unity):  
+0, –0.1 dB, 20 Hz to 30 kHz  
Mic Input:  
Inst Input:  
Line Input:  
+22 dBu, Gain @ unity  
+21 dBu, Gain @ –20 dB  
> +22 dBu, Gain @ –20 dB  
+0, –3 dB, 10 Hz to 170 kHz  
Mic Input to Digital Output (AES, 192 kHz sample rate):  
+0, –0.2 dB, 20 Hz to 85 kHz  
Input Impedance  
Ch 1 and 2 Mic Input:  
300, 500, 1.3 k, or 2.4 kbalanced  
Ch 3 through 8 Mic Input:  
2.4 kbalanced  
1 MΩ  
+0, –1 dB, 10 Hz to 90 kHz  
Distortion (THD & IMD)  
Mic Input to Line Output (@ +4 dBu output):  
THD+N: < 0.0007%, 20 Hz to 20 kHz BW, 1 kHz input  
@ +4 dBu, preamp at unity gain  
Inst Input:  
Line:  
20 kbalanced, 10 kunbalanced  
THD+N: < 0.002%, 10 Hz to 30 kHz BW, 1kHz input  
@ 10mV rms (–37.8 dBu)  
SMPTE IMD: < 0.005% (4:1 IMD)  
Output Impedance  
Line:  
100 balanced  
Mic Input to Digital Output (AES, 48 kHz sample rate):  
THD+N: < 0.004%, 10mV rms input,  
gain at –1 dB FS output  
Signal Level LEDs  
–20 dBu, 0 dBu (normal operating level), OL = 22 dBu  
Sample Frequency Selections  
Dynamic Range  
32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz,  
176.4 kHz, 192 kHz, External  
>123 dB (Mic In to Line Out)  
>113 dB (through A-to-D converters)  
Bit Depth Selections  
Noise  
24-bit (full range from converters), 16-bit (dithered)  
Signal-to-Noise (A-weighted):  
>103 dB (ref. +4 dBu, Mic In to Line Out, Gain @ unity)  
Analog Input Connectors  
Equivalent Input Noise (E.I.N.), 20 Hz to 20 kHz Bandwidth,  
150source impedance:  
Eight balanced XLR mic inputs  
Two 1/4" TS high-impedance instrument inputs  
One DB25 connector with eight balanced line-level inputs  
–129 dBu @ +60 dB gain  
Residual Output Noise:  
Analog Output Connectors  
Line Out: < –102 dBu (Channel Gain at unity)  
Digital Out (AES, 48 kHz): < –113 dB FS  
One DB25 connector with eight balanced line-level  
outputs  
Common Mode Rejection Ratio (CMRR)  
Digital Input Connectors  
Mic In: >60 dB @ 1 kHz, Gain @ maximum  
One BNC connector for external word clock input  
Crosstalk  
Digital Output Connectors  
Two Toslink Optical Connectors  
Both transmit channels 1-8 at 44.1/48 kHz operation  
Mic Input to Line Output:  
< –100 dB @ 1 kHz, +10 dBu signal on adjacent  
input, 150source impedance  
One transmits channels 1-4 and one transmits  
channels 5-8 at 88.2/96 kHz operation using  
S/MUX standard  
Input Gain Control Range  
Mic In: 0 dB to +60 dB  
Line In: –20 dB to + 40 dB  
One transmits channels 1-2 and one transmits  
channel 3-4 at 176.4/192 kHz operation using  
S/MUX standard  
Phantom Power  
+48 VDC  
One DB25 Connector  
Equalization  
High-Pass Filter: 75 Hz @ 18 dB/octave  
Transmits AES/EBU or S/PDIF formatted digital  
audio with single-wire/dual-wire options available at  
all sample rates  
Rated Output  
Line:  
Maximum Rated Output:  
+24 dBu @ Balanced Line-Level Outputs  
+4 dBu  
20  
ONYX 800R  
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AC Power Requirements  
Power Consumption: 45 watts  
Universal AC Power Supply:  
100 VAC 240 VAC, 50-60 Hz  
Physical Dimensions and Weight  
Height:  
Width:  
1.75 in/44 mm  
17.75 in/451 mm (main body of unit)  
19.00 in/483 mm (with rack ears)  
14.38 in/365 mm (including front knobs and  
rear BNC jack)  
Depth:  
Weight:  
10.6 lb/4.8 kg  
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.  
“Mackie.”, “Onyx,” and the “Running Man” are registered  
trademarks of LOUD Technologies Inc. All other brand names  
mentioned are trademarks or registered trademarks of their  
respective holders, and are hereby acknowledged.  
©2004 LOUD Technologies Inc. All Rights Reserved.  
17.75 in/451 mm  
WEIGHT  
10.6 lb/  
4.8 kg  
19.0 in/483 mm  
21  
Owner’s Manual  
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Onyx 800R Block Diagram  
48V  
OL  
0
-20  
to A/D  
Mic  
Impedance  
Mic  
Line  
Channel 1  
Gain  
2
Mic: 0 to +60 dB  
Line: –20 to +40 dB  
1
Mic  
+
-
+
3
Line Out  
Ch 1/Left  
Phase  
Low Cut  
+
75Hz  
-
Line  
M/S  
Matrix  
48V  
OL  
0
-20  
to A/D  
Mic  
Impedance  
Mic  
Line  
Channel 2  
Gain  
2
Mic: 0 to +60 dB  
1
Line: –20 to +40 dB  
Mic  
+
-
+
3
Line Out  
Phase  
Low Cut  
+
Ch 2/Right  
75Hz  
-
Line  
48V  
OL  
0
-20  
to A/D  
Mic  
Line  
Channels 3-6  
2
1
Mic  
+
+
3
Line Out  
-
Phase  
Low Cut  
+
75Hz  
-
Line  
Line Inputs  
Line Outputs  
48V  
Mic: 0 to +60 dB  
OL  
0
-20  
Line: –20 to +40 dB  
Hi-Z: –20 to +40 dB  
Mic  
Line  
Channels 7-8  
Gain  
2
3
1
Mic  
+
-
+
Line Out  
Phase  
+
-
Mic/Line  
Hi-Z  
Low Cut  
75Hz  
Line  
Hi-Z  
to A/D  
Sample Rate  
88.2 kHz  
48 kHz  
96 kHz  
176.4 kHz  
44.1 kHz  
192 kHz  
Lock  
External  
32 kHz  
ADAT  
Optical  
Out  
ADAT  
1
2
Ch 1  
Ch 8  
ADAT  
A/D  
FPGA  
Conversion  
AES/EBU  
S/PDIF  
Out  
MACKIE  
ONYX 800R  
BLOCK DIAGRAM  
(#04/21/04_DF)  
24-bit  
Dithered 16-bit  
Word Clock  
Single/  
Dual  
Pro/  
Consumer  
Impedance  
Termination  
75/110Ω  
Wire  
Off/75Ω  
Word Clock  
Input  
22  
ONYX 800R  
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Onyx 800R Limited Warranty  
Please keep your sales receipt in a safe place.  
4. If the Authorized Mackie Service Center is located in  
A. LOUD Technologies Inc. warrants all materials, workmanship  
and proper operation of this product for a period of three 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.  
another city, pack the mixer in its original shipping carton.  
More information on packing can be found in the Service  
section of this manual.  
5. Contact the Authorized Mackie Service Center to arrange  
service or bring the Mackie product to them.  
F. LOUD Technologies and Authorized Mackie Service Centers  
reserve the right to inspect any products that may be the subject  
of any warranty claims before repair or replacement is carried  
out. LOUD Technologies and Authorized Mackie Service Centers  
may, at their 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 or its Authorized Service Centers.  
B. Failure to register online or return the product registration  
card will not void the three-year warranty.  
C. Service and repairs of Mackie products are to be performed  
only at the factory (see D below) OR at an Authorized Mackie  
Service Center (see E 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  
store where you bought the product. It is necessary to establish  
purchase date and thus determine whether or not your Mackie  
product is still under warranty.  
G. Mackie products returned to LOUD Technologies and deemed  
eligible for repair or replacement under the terms of this  
warranty will be repaired or replaced within thirty days of receipt  
by LOUD Technologies. LOUD Technologies 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 not be repaired and returned until payment  
is received for labor, materials, return freight, and insurance.  
Products repaired under warranty at the factory will be returned  
freight prepaid by LOUD Technologies to any location within the  
boundaries of the USA.  
D. To obtain factory service:  
1. Call Mackie Service at 800/898-3211, 7 AM to 5 PM  
Monday through Friday (Pacific Time) to get a Return  
Authorization (RA). Products returned without an RA number  
will be refused.  
2. Pack the product in its original shipping carton. If you do  
not have the carton, just ask for one when you get your RA  
number, and we’ll send a shipping carton out promptly. More  
information on packing can be found in the Service section of  
this manual. Please seal the Mackie product in a plastic bag.  
H. 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.  
3. 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.  
I. LOUD Technologies assumes no responsibility for the quality  
or timeliness of repairs performed by Authorized Mackie Service  
Centers.  
J. 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.  
4. Ship the product in its original shipping carton, freight  
prepaid to:  
K. 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.  
MACKIE SERVICE DEPARTMENT  
16220 Wood-Red Road NE  
Woodinville, WA, 98072, USA  
IMPORTANT: Make sure that the RA number is plainly  
written on the shipping carton.  
L. 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 THREE 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.  
E. To obtain service from an Authorized Mackie Service Center:  
1. Call Mackie Service at 800/898-3211, 7 AM to 5 PM  
Monday through Friday (Pacific Time) to get: 1) The name and  
address of your nearest Authorized Mackie Service Center  
and 2) A return authorization (RA). You must have an RA  
number before taking your unit to a service center.  
2. Make sure that you have a copy of your sales receipt from  
the store where you bought the product. If you can’t find it,  
the Authorized Service Center may charge you for repairs  
even if your Mackie product is still covered by the Three-Year  
Limited Warranty.  
3. Make sure that the problem can be duplicated. If you bring  
your Mackie product to an Authorized Service Center and  
they can’t find anything wrong with it, you may be charged a  
service fee.  
23  
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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  
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