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JBL GTQ400 User Manual

JBL GTQ400
22 pages
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JBL GTQ400 Specifications

General IconGeneral
Number of Channels4
RMS Power @ 4 Ohms50W x 4
RMS Power @ 2 Ohms75W x 4
Bridged RMS Power @ 4 Ohms150W x 2
Total Harmonic Distortion (THD)<0.05%
Crossover Frequency32Hz - 320Hz

Summary

GTQ400 Technical Manual

Amplifier Features

Built-in Bi-amp Crossover

Describes the 80 Hz electronic crossover for subwoofer/satellite configuration.

4/3/2 Channel Operation

Details versatile configurations for 4, 3, or 2 channel system setups.

Amplifier Specifications

Minimum Power Output

Lists minimum power output at various impedances and frequencies.

Maximum THD and Noise

Details total harmonic distortion and signal-to-noise ratio.

Disassembly Procedure

Idling Current Adjustment

Adjusting Idling Current

Step-by-step guide to adjusting variable resistors for idling current.

Block Diagram

Front Channel Schematic Diagram

Rear Channel Schematic Diagram

DC/DC Section Schematic Diagram

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