Blaupunkt VA1400 - Manual (Page 8)

C ONNECTIONS & C ONTROLS
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REMOTE GAIN CONTROL JACK - For connecting the remote gain control (included). This allows you to adjust the
gain while seated in the vehicle with the system operating.
LOW PASS CROSSOVER CONTROL - This control sets the upper frequency limit of the amplifier. For most
subwoofers a value just below 100 Hz is usually best.
SLOPE SWITCH - This allows you to switch between 12 dB and 24 dB per octave roll-off.
GAIN CONTROL - The gain control allows for a range of 0.3 - 8 Volts input. This means that if the setting is 0.3V, it
only takes 0.3V to drive the amp to full output. (Such a low setting allows for the amp to be easily overdriven, and
more susceptible to noise so a mid-position is highly recommended for most radios.)
LINE LEVEL INPUTS & OUTPUTS - The most commonly used inputs and outputs in the aftermarket are RCA type
line level. These can handle up to about 6 Volts rms without overdriving the amp. Such high voltages are rarely
found from car audio head units, so this is a very comfortable value. But should you need to drive the amp directly
from speaker level leads, use the supplied “High Level Adapter” to connect to the amp.
REMOTE GAIN
CONTROL JACK
LOW PASS
CROSSOVER
CONTROL
SLOPE SWITCH LINE LEVEL INPUTS
& OUTPUTS
GAIN CONTROL
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