Hafler 9270 User Manual
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
G a i n 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 ......................................................................................................................
1 1
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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