3
CONTENTS
Introduction ........................................................................... 3
Overview ................................................................................. 4
808S Front Panel ..................................................................... 5
Block Diagrams ....................................................................... 6
Specifications ......................................................................... 8
Amplifier Theory ...................................................................... 10
Safety test ............................................................................... 13
Amplifier test and calibration .............................................. 14
EFX signal flow ......................................................................... 16
EFX overview ........................................................................... 18
Connectors ............................................................................. 19
Quick parts .............................................................................. 21
Exploded views ...................................................................... 24
Parts ......................................................................................... A1
Fold-out Sections
Assembly Drawings ................................................................ B1
Schematics and pcb layouts
EFX board ........................................................................... 192-1
Amplifier 808M/808S ......................................................... 193-1
Mixer 408S/808S ................................................................ 194-1
Amplifier 406M/408M/408S ............................................. 204-1
Mixer 408M/808M ............................................................. 205-1
Mixer 406M ........................................................................ 206-1
Output, 1/4” jacks ............................................................ 224-1
AC Power 406M/408M/408S ........................................... 225-1
AC Power 808M/808S ...................................................... 252-1
Output, Speakon
®
.......................................................................................................
263-1
INTRODUCTION
This manual contains basic service information. It is essential that you have a copy of the
user’s manual as this contains the complete operating instructions.
SERVICE TECHNICAL ASSISTANCE
Mackie Designs, Service Technical Assistance, is available 8AM - 5PM PST, Monday through
Friday for Authorized Mackie Service Centers, at 1-800-258-6883. Feel free to call with any
questions and speak with a carefully-calibrated technician. If one is not available, leave
a detailed message and a qualified Mackoid will return your call asap.
DISCLAIMER
The information contained in this manual is proprietary to Mackie Designs, Inc. The entire
manual is protected under copyright and may not be reproduced by any means without
express written permission from Mackie Designs, Inc.
SERVICE ON THIS EQUIPMENT IS TO BE PERFORMED BY
EXPERIENCED REPAIR TECHNICIANS ONLY
