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Signature 1.5
Two Channel Amplifier
TECHNICAL MANUAL
Harman Consumer Group
250 Crossways Park Drive
Woodbury, N.Y. 11797
1-800 645-7484 in the USA
A Harman International Company
Part No.: 1112-SIGNATURE1.5 Rev A 7/99
Two Channel Amplifier Harman Kardon SIGNATURE 1.5
TABLE OF CONTENTS
SPECIFICATIONS....................................................................1 Signature 1.5 PACKING EXPLODED VIEW ...........................9
Signature 1.5 FRONT PANEL CONTROLS............................2 Signature 1.5 POWER SWITCH/INDICATOR PCBs .............10
FEATURES ..............................................................................2 Signature 1.5 POWER AMPLIFIER PCB Rev B....................11
REAR PANEL CONNECTIONS...............................................3 Signature 1.5 Electrical Parts List ..........................................12
INSTALLATION........................................................................4 Signature 1.5 (120V) TRANSFORMER WIRING Rev A........14
OPERATION ............................................................................6 Signature 1.5 (120V) TRANSFORMER WIRING Rev B........15
IDLE CURRENT ADJUSTMENT FOR SIGNATURE 1.5.......6 Signature 1.5 (230V) TRANSFORMER WIRING Rev A........16
OUTPUT TRANSISTOR REPLACEMENT ..............................6 Signature 1.5 (230V) TRANSFORMER WIRING Rev B........17
ON THE SIGNATURE 1.5
INTEGRATED CIRCUITS .......................................................18
TROUBLE SHOOTING ............................................................7
Signature 1.5 POWER SWITCH/INDICATOR........................19
PROTECT MODE ....................................................................7 SCHEMATIC (1 of 1)
Signature 1.5 MECHANICAL EXPLODED VIEW....................8 Signature 1.5 POWER AMP SCHEMATIC (1 of 2) ...............20
Signature 1.5 MECHANICAL PARTS LIST.............................9 Signature 1.5 POWER AMP SCHEMATIC (2 of 2) ...............21
SPECIFICATIONS
Power Requirements:
120V version: . . . . . . . . . . . . . . . 120VAC, 50/60Hz
230V version: . . . . . . . . . . . . . . . 230VAC, 50Hz
Power Output: . . . . . . . . . . . . . . . . . . . 2 x 200 watts @8 ohms
20Hz - 20kHz, <0.03% THD, Both Channels Driven
1 x 700watts @ 8 ohms
20Hz - 20kHz, <0.03% THD, Bridged Mono Mode
2 x 350 watts @ 4 ohms
20Hz - 20kHz, <0.03% THD, Both Channels Driven
High-Current Capability: . . . . . . . . . . . . 130 Amps
Frequency Response:. . . . . . . . . . . . . . <1Hz - >170kHz