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Bogen M-CLASS AMPLIFIER M450 User Manual

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Contents

Page

INTRODUCTION ..................................................................................................1

Package Contents................................................................................................................1

PANEL DESCRIPTIONS ....................................................................................2-3

M-Class Front Panel............................................................................................................2
M-Class Rear Panel ............................................................................................................3

INSTALLATION ..................................................................................................4-6

Installation Components....................................................................................................4
Ventilation ............................................................................................................................5
Rack Mounting ....................................................................................................................5
Table Mounting ....................................................................................................................5
Module Installation..............................................................................................................6

CONNECTIONS ....................................................................................................7

Speakers ................................................................................................................................7

Low-Impedance Speaker Connections ................................................................7
Earth Ground Terminal..........................................................................................7
70V “Transformer-Coupled” Speakers ................................................................7

BAL1S Module Input ..........................................................................................................7

Balanced Input Connections ................................................................................7
Unbalanced Input Connections ............................................................................7

OPERATION ......................................................................................................8-11

Controls & Connectors ................................................................................................8-9

Level Controls ........................................................................................................8
Sleep Mode Defeat ..............................................................................................8
Channel Balance....................................................................................................8
Lo-Cut Switch ........................................................................................................8
Effects Loop............................................................................................................9
Output Feeds..........................................................................................................9

Modes of Operation ....................................................................................................9-10

Stereo Mode ..........................................................................................................9
70V Mono Mode ................................................................................................10
Dual Mono Mode ..............................................................................................10
Audio Buses ........................................................................................................10

Modules ..............................................................................................................................11

Standard Input Module ......................................................................................11
Other Modules ....................................................................................................11
Module Priority....................................................................................................11
Module Controls..................................................................................................11

APPLICATIONS ..............................................................................................12-13
TROUBLESHOOTING ........................................................................................14
SPECIFICATIONS ................................................................................................15

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