2Two Channel Amplifier Harman Kardon SIGNATURE 1.5Signature 1.5 FRONT PANEL CONTROLSharman/kardon 1.5On/OffI G N A T U R Es e r i e sS1 2 31 Power Switch: Press this switch to turn the 1.5 on formanual operation, or to place it in the Standby mode forautomatic/remote turn-on when the 1.5 is connected to adevice with a compatible trigger circuit.Note: Even when the Power Switch is off, the unit is stillconnected to the AC power supply.2 Power-On Indicator: When the word SIGNATURE isilluminated in blue, the 1.5 is in a normal operatingcondition.3 LED Indicator: The color of this indicator varies with thestatus of the 1.5. It is red when the unit is off and in ManualOperation, amber in the Standby mode, and flashing greenduring Warm-Up. If the indicator flashes and alternatesbetween red and amber, the 1.5 is in the Protect mode,indicating a problem in the unit or connections to thespeakers.FEATURESThe Harman Kardon Signature 1.5 is a flexible, state-of-the-art audio power amplifier designed to deliver highperformance for use in home theater or music reproduction applications. The following are among its manyfeatures:n Designed and manufactured in the UnitedStatesn High-current output capabilityn Two channels with bridgeable outputsn Ultrawide bandwidth designn Low negative feedbackn Low harmonic and intermodulation distortionn Massive heat sinks for quiet convection coolingn High-current power supplyn Remote turn-on/turn-off circuitry with selectSignature Series and Harman Kardon productsor through optional accessories.