TABLE OF CONTENTS

PERFORMANCE SPECIFICATIONS

4

General Information

4

INSTALLATION

 

 

Rackmounting

5

Ventilation/Placement

5

Line Voltage

5

OPERATION/CONNECTIONS

 

Power Cord Connection/Power Switch

5

Inputs

5

Front Panel View Diagram

6

Rear Panel View Diagram

7

Outputs

8

Gain Controls

8

Mono/Stereo Switching

8

Soft Turn-On System

8

Thermal Protection System

8

CIRCUIT HIGHLIGHTS

9

ADDITIONAL INFORMATION

 

Loudspeaker Load Impedance Considerations

10

Changing Line Voltage Rating

10

Adjusting Bias

10

General Troubleshooting Hints

11

Ground Loops

11

Cleaning/Maintenance

12

Parts List

12

Functional

Block Diagram

14

Component

Layout Diagram

15

Circuit Schematic Diagram

17

SERVICE POLICY AND LIMITED WARRANTY

19

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Hafler 9270, 9180 manual Table of Contents