10
„LOW INPUT“ Connection: Amplifier Input iPaul 2.400
The output signal of the car radio/CD player is fed by means of a RCA socket "LOW INPUT" (7) R (right) and L
(left).
During mono operation of the output stage the „LOW INPUT“ (7) must always be fed with a right and a left signal.
The full mono performance is achieved only with simultaneous signal input on the right and left RCA sockets.
When only one mono signal is available, for example, during operation over an active crossover with only one sub-
output, the sockets (7) must be fed with a Y- adaptor.
Caution: Use of different RCA cable lengths could potentially lead to potential differences. A variation in
lengths can cause a ground loop, resulting in unpleasant generator distortion. Do not lay RCA cables
parallel with power cables, in order to prevent distortion couplings.
„LINE OUT“: Subsequent Amplifier Output
The unmodified input signal from „LOW INPUT“ (6) R & L is free at outputs „LINE OUT“ (8) R (right) and L
(left) and can be used for subsequent amplifiers.
„REMOTE“: Remote Control
Connect the included 5m black cable with one end of the included remote control and insert the other end of the
cable into the designated socket „REMOTE“ (9) on the amplifier. Phase and volume can now be controlled
remotely with the potentiometers „GAIN“ and „PHASE”.
Caution: The volume “GAIN” on the remote control can be set between the minimum and the set volume on
potentiometer “GAIN” (14) of the amplifier only. It is recommended to set a reasonable basic volume
by potentiometer “GAIN” (14) first and use the remote control for fine tuning afterwards. The settings
remain in effect only as long as the remote control is plugged in. If the remote control is unplugged,
the settings on the potentiometers „GAIN“ (14) and „PHASE“ (15) of the amplifier take effect. If the
remote control is again plugged in, the settings of the remote control once more take effect.
Bass Boost
For vehicles with high sound absorption, bass rendition can be raised from 45 Hz up to +12 dB with the switch
„BASS BOOST“ (11). Adjust the bass rise depending on loudspeaker location and listening tastes. The correct
setting is achieved when the bass rendition has a full, dry sound. Too strong of a bass rise can, with high volumes,
lead to an overload of the subwoofers! A level of +12 dB is equal to 16-times (!) volume load and gives the bass
rendition an unnatural sound.
• Set „BASS BOOST“ (11) switch to „6dB“ or “12dB”
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