Harman kardon signature 1 5

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1 Two Channel Amplifier Harman Kardon SIGNATURE 1.5 TABLE OF CONTENTS SPECIFICATIONS....................................................................1 Signature 1.5 FRONT PANEL CONTROLS ............................2 FEATURES ..............................................................................2 REAR PANEL CONNECTIONS...............................................3 INSTALLATION ........................................................................4 OPERATION ............................................................................6 IDLE CURRENT ADJUSTMENT FOR SIGNATURE 1.5.......6 OUTPUT TRANSISTOR REPLACEMENT ..............................6 ON THE SIGNATURE 1.5 TROUBLE SHOOTING ............................................................7 PROTECT MODE ....................................................................7 Signature 1.5 MECHANICAL EXPLODED VIEW ....................8 Signature 1.5 MECHANICAL PARTS LIST .............................9Signature 1.5 PACKING EXPLODED VIEW ...........................9 Signature 1.5 POWER SWITCH/INDICATOR PCBs .............10 Signature 1.5 POWER AMPLIFIER PCB Rev B ....................11 Signature 1.5 Electrical Parts List ..........................................12 Signature 1.5 (120V) TRANSFORMER WIRING Rev A ........14 Signature 1.5 (120V) TRANSFORMER WIRING Rev B ........15 Signature 1.5 (230V) TRANSFORMER WIRING Rev A ........16 Signature 1.5 (230V) TRANSFORMER WIRING Rev B ........17 INTEGRATED CIRCUITS .......................................................18 Signature 1.5 POWER SWITCH/INDICATOR ........................19 SCHEMATIC (1 of 1) Signature 1.5 POWER AMP SCHEMATIC (1 of 2) ...............20 Signature 1.5 POWER AMP SCHEMATIC (2 of 2) ...............21 SPECIFICATIONS Power Requirements: 120V version:...............120VAC, 50/60Hz 230V version:...............230VAC, 50Hz Power Output:...................2x200watts @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:............130Amps Frequency Response:..............<1Hz - >170kHz ±3dB Power Bandwidth:................<5Hz - >160kHz THD/IMD:......................<0.03% at rated output Crosstalk......................>-87 dBr between any two channels at maximum output Negative Feedback:...............<25dB Input Impedance:.................33Kohms Input Sensitivity:.................1volt for rated output Remote Trigger Voltage:............6-12volts DC (tip of plug must be positive(+)) Remote Trigger Impedance:.........20Kohms Dimensions (HxWxD): ...........7½x17¼x15¼inches 191 x 438 x 387 mm Weight:........................47lbs/21 kg

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2 Two Channel Amplifier Harman Kardon SIGNATURE 1.5 Signature 1.5 FRONT PANEL CONTROLS harman/kardon 1.5 On/Off IGNATURE series S 123 1 Power Switch:Press this switch to turn the 1.5 on for manual operation, or to place it in the Standby mode for automatic/remote turn-on when the 1.5 is connected to a device with a compatible trigger circuit. Note:Even when the Power Switch is off, the unit is still connected to the AC power supply. 2 Power-On Indicator:When the word SIGNATURE is illuminated in blue, the 1.5 is in a normal operating condition.3 LED Indicator:The color of this indicator varies with the status of the 1.5. It is red when the unit is off and in Manual Operation, amber in the Standby mode, and flashing green during Warm-Up. If the indicator flashes and alternates between red and amber, the 1.5 is in the Protect mode, indicating a problem in the unit or connections to the speakers. FEATURES The Harman Kardon Signature 1.5 is a flexible, state-of-the-art audio power amplifier designed to deliver high performance for use in home theater or music reproduction applications. The following are among its many features:
Designed and manufactured in the United States
High-current output capability
Two channels with bridgeable outputs
Ultrawide bandwidth design
Low negative feedback
Low harmonic and intermodulation distortion
Massive heat sinks for quiet convection cooling
High-current power supply
Remote turn-on/turn-off circuitry with select Signature Series and Harman Kardon products or through optional accessories.