Acoustic research a 06 service manual

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acoustic research a 06 service manual

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Page 1

ELECTRONICS
SERVICE MANUAL

A-06
Amplifier

TABLE OF CONTENTS

Bias Adjustment .................................................. 1
Schematic Diagram ............................................ 2
Wiring Diagram ................................................... 3
Disassembly Diagram ......................................... 4
Repair Parts List ................................................. 5
Specifications ...................................................... 5

-˜W-˜TELEDYINE ACOLBTIC RESEARCH

330 Turnpike Street, Canton,
Massachusetts 02021. USA

High Street, Houghton Regis, Dunstable,
Bedfordshire LU5 SQJ, England

ACOUSTIC
RESEARCH

Page 2

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Bias Adjustment

Instruments: DC mull-voltmeter

Notes: Prior to Bias Adjustment. run about 5 minutes with rated output (8 ohm) and warm up Power Transistor and Heat Sink.
Set Volume Control to Mininum.

Coupling

Step Adjust Adluet tor
Plus Lead Minus Lead

1 TP3 TP1 V8601 DC mull-voltmeter

reads 3.0mv

2 TP2 TP4 VR602