2-Channel Amplifiers; Features And Operational Controls - Crunch GTX 2200 Owner's Manual

POWER/PROTECT
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If the POWER LED lights up, the amplifier is ready for operation.
If the PROTECT LED lights up, a malfunction is indicated. Attend in this case the chapter TROUBLE SHOOTING.
The High Level Input is suitable to connect the amplifier inputs with speaker wires, if your headunit is not equipped with pre-
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amplifier RCA outputs. Never use the High Level Input and the RCA inputs at the same time. This may damage the amplifier
seriously. Attend therefor the descriptions on page 28.
The LINE OUT RCA jacks provide a linear fullrange audiosignal to supply an additional amplifier.
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The LINE INPUT RCA jacks must be connected with the RCA output jacks of the headunit.
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The LEVEL INPUT controller adjusts the input sensitivity of the amplifier to align the audio signal from the head unit.
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The input sensitivity is adjustable from 4 to 0.2 Volts.
The CH1/2 X-OVER switch selects the required operation mode of the amplifier.
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Position LP: Lowpass mode (the higher frequencies will be eliminated. Adjustable by the lowpass controller.)
Position HP: Highpass mode (the higher frequencies will be eliminate. Adjustable by the highpass controller.)
Position FULL: Fullrange mode (the whole frequencies will be amplified).
The HIGH PASS controller adjusts the cut-off point of the frequency range to below. The cut-off frequency is continuously
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adjustable from 60 Hz to 1200 Hz (1.2 kHz).
The LOW PASS controller adjusts the cut-off point of the frequency range to above. The cut-off frequency is continuously
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adjustable from 40 Hz to 150 Hz.
The BASS BOOST controller adjusts the bass boost enhancement continuously from 0dB to +12dB at 45 Hz.
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G T X 2 2 0 0
FUNCTIONS AND OPERATIONAL CONTROLS
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