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APPLICATION DIAGRAMS
Mackie’s gang of oppressed illustrator droids
have created easy-to-understand diagrams of
popular studio and live-sound setups.
FEATURE DESCRIPTIONS:
Each and every knob, switch, and connector
on the M•800 power amplifier is explained in
depth here. Important and interesting points
are noted using these two icons:
This icon marks information that
is critically important or unique
to the M•800.
This icon leads you to further ex-
planations of features and some
practical tips.
GENERAL PRECAUTIONS
This section discusses important things to
keep in mind when installing and using the
M•800, including rack mounting, AC power,
and wiring.
SERVICE INFORMATION
Appendix A provides some troubleshooting
ideas and service details.
TECHNICAL INFORMATION
Appendix B is for you tech-heads who like to
use a calculator and read specifications.
BI-AMPING AND TRI-AMPING
Appendix C shows how two or three amplifi-
ers can be used in a sound system, with each
playing a different frequency range.
LIMITED WARRANTY
Read this to understand the terms of the
factory warranty.
CONTENTS
QUICK START ............................................................... 4
APPLICATION DIAGRAMS .............................................. 7
FEATURE DESCRIPTIONS .............................................. 10
GAIN............................................................. 10
METERS ......................................................... 11
CHANNEL STATUS ............................................ 11
POWER ......................................................... 11
SPEAKER OUTPUTS ......................................... 12
POWER CORD ................................................ 12
INPUT ........................................................... 13
THRU ............................................................ 13
LOW CUT FILTER ............................................. 14
CD FREQUENCY ............................................... 15
CONSTANT DIRECTIVITY .................................. 15
AMP MODE .................................................... 16
STEREO ......................................................... 16
MONO .......................................................... 16
BRIDGE ......................................................... 16
LIMITER ......................................................... 17
GENERAL PRECAUTIONS .............................................. 18
RACK MOUNTING ................................................ 18
THERMAL CONSIDERATIONS .................................. 18
AC POWER CONSIDERATIONS ................................ 18
INPUT WIRING .................................................... 19
OUTPUT WIRING.................................................. 19
APPENDIX A: Service Info ............................................ 20
WARRANTY SERVICE ............................................ 20
TROUBLESHOOTING ............................................. 20
REPAIR ............................................................... 21
APPENDIX B: Technical Information ................................ 22
OHMS ................................................................. 22
SPECIFICATIONS ................................................... 23
BLOCK DIAGRAM ................................................. 25
APPENDIX C: Bi-amping and Tri-amping .......................... 26
M•800 LIMITED WARRANTY ........................................ 27
PRODUCT REGISTRATION CARD
Attached to back cover
ABOUT THIS MANUAL
Don’t forget to visit our website: www.mackie.com
for more information about this and other Mackie products.