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ENGLISH
FUNCTIONAL INSTRUCTIONS
9
The LEVEL INPUT controllers determine the input sensitivity (adaptation to the output signal of the head unit) on the respective
channel pair (channel 1/2 or channel 3/4). The controller range is between 5 volts (MIN) and 0.2 volts (MAX).
OPERATING ELEMENTS
7
8
Connect the INPUT RCA jacks from the included cable adapter with the head unit by using appropriate audio signal cables. If
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 ampliers.
10
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.
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The CH1/CH2 X-OVER switch selects the desired operating mode of channel 1/2:
FULL: Full-Range mode (the entire frequency range is amplied).
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-
ously variable from 50 Hz to 5000 Hz (5 kHz).
The INPUT MODE switch is used to set whether the amplier should be driven by the head unit with only one stereo cinch audio
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.
6
If the POWER/PROTECT is green, the amplier is ready for operation. If the POWER/PROTECT is red, there is a malfunction.
Refer in this case to the section TROUBLE SHOOTING.
DUPE
9 12 16
1018 14 17
7 9 11 15
8 10 13 6
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