Directed Electronics A1200/4, A600/4 manual QBASS/QBASS Plus Specifications, Qbass Plus

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QBASS/QBASS PLUS SPECIFICATIONS

QBASSTM (A600/4)

Up to 18dB of boost centered at 40Hz, with a Q-factor of 2.

QBASS PLUSTM (A1200/4)

Up to 18dB of boost with selectable center frequency at 30Hz, 36Hz, 44Hz or 60Hz, with a Q-factor of 2.

Optional QBASS REMOTETM (A1200/4)

This boost control can be mounted in the dash and will supersede the boost control on the amplifier endplate.

QBASS PLUS

On the A1200/4 amplifier, we’ve taken bass control to a higher level with QBASS PLUSTM. The two QBASSTM switches (labeled 1 and 2) on the front end of the amplifier allow you to select one of four frequency centers 30Hz, 36Hz, 44Hz and 60Hz. On the rear end plate you will find the QBASSTM level control and plug-in for an optional QBASS REMOTETM dash mounted level control. Adjust the level control clockwise for up to +18dB of boost at your selected frequency.

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Contents Amplifier Models Table of Contents Service CongratulationsFeatures CEA SpecificationsWHAT’S Included Specifications General SpecificationsFuse Requirements Amplifier Status Leds TOOLS/PARTS for Installation Wiring Powerlocktm Ground Wiring Charging System Current DrawPower Wire Size Power Lock Connectors Amplifier BridgingMixed Mono Output Rear Speaker Connector Speaker PowerLockTM connector A600/4 Front Plate DiagramPage A600/4 END Plate Diagram A1200/4 Front Plate DiagramPage A1200/4 END Plate Diagram Inputs Source HeadunitA600/4, A1200/4 Block Diagram Advanced Instrumentation Input QbassQBASS/QBASS Plus Specifications Qbass PlusOUT A600/4, A1200/4 TC-X CrossoverCrossover Detent Chart Adjusting Input Gain Input CombineHigh Mass Internal Heatsink AP-IV Protection CircuitOpposite Channel Same Channel Limited TWO Year Consumer Warranty