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If the POWER/PROTECT is blue, the amplifier is ready for operation. If the POWER/PROTECT is red, there is a malfunction.
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Refer in this case to the section TROUBLE SHOOTING.
Connect the INPUT RCA jacks from the included cable adapter with the head unit by using appropriate audio signal cables. If
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only the channels 1 and 2 are occupied, the INPUT MODE button should be in switch position 2CH.
The OUTPUT RCA jacks from the included cable adapter provide a linear full-range audio signal for driving additional amplifiers.
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The LEVEL INPUT controllers determine the input sensitivity (adaptation to the output signal of the head unit) on the respective
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channel pair (channel 1/2 or channel 3/4). The controller range is between 5 volts (MIN) and 0.2 volts (MAX).
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The HIGH PASS controllers determine the frequency cut-off at the respective channel pair (channel 1/2 or 3/4) downwards. The
crossover frequency is continuously variable at CH1/2 from 50 Hz to 5000 Hz (5 kHz) and at CH3/4 from 10 Hz to 500 Hz.
The CH1/CH2 X-OVER switch selects the desired operating mode of channel 1/2:
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FULL: Full-Range mode (the entire frequency range is amplified).
HP: High-Pass mode (frequency is limited downwards, adjustable by the HIGH PASS controller).
DUPE/COPY: For CH1/CH2, all the settings such as LEVEL INPUT, HIGH PASS, LOW PASS, and BASS BOOST and the bass
level of CH3/CH4 set with the supplied remote control will be adopted. This is particularly useful if you want to operate the chan-
nel pairs 1/2 and 3/4 bridged with two subwoofers.
The LOW PASS controller determines the frequency cut-off at channel pair 3/4 upwards. The crossover frequency is continu-
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ously variable from 50 Hz to 5000 Hz (5 kHz).
The INPUT MODE switch is used to set whether the amplifier should be driven by the head unit with only one stereo cinch audio
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cable (2CH) or with two stereo cinch audio cables (4CH). Only with switch position 4CH, the so-called fader function on the head
unit is effective.
With switch position 2CH, the input signal from the INPUT CH1/2 is also routed to the channel pair CH3/4. Thus, only a stereo
cinch audio cable to LINE INPUT CH1/2 is necessary. When operating two subwoofers, it is also possible to use the subwoofer
signal output of the head unit if available.
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FUNCTIONAL INSTRUCTIONS
OPERATING ELEMENTS
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DUPE
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