Super Bass Switch; Initial Startup - Conrad Raveland BRR 130 MK-II Bedienungsanleitung

Super Bass Switch

In addition to this, the amplifier has a bass-boost switch to amplify the low-bass fre-
quencies in two stages.
This option is especially useful to give smaller bass loudspeakers or subwoofers a lit-
tle bit of more volume in the low-bass range.
The SUPER BASS
(6) controls the low-bass amplification

Initial Startup

After installing and checking all the necessary cable connections you can set the
amplifier into operation.
If you have checked the cable connec-
tions, reconnect the negative terminal of
the battery.
Turn the GAIN control unit (3) counter-
clockwise to minimum.
Slide the frequency duplexer switch(es)
X-OVER (4) into the position corre-
sponding to your configuration.
Set the cut-off frequencies for the con-
nected loudspeakers via the HPF (1) and
LPF (2) control units.
Switch on your car radio.
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Position „0":
low-bass amplifier is turned off
Position „6":
Low bass is amplified by 6dB
Position „12":
Low bass is amplified by 12dB
See „Active Filter"
The cut-off frequencies can be set con-
tinuously within a range of 50–250Hz or
80-2,000Hz.
During setting operation pay attention
to the frequency data given by the
loudspeaker manufacturer.
The indicator LED POWER (5) does
light up.
If the indicator LED PROTECTION (5)
lights, an error has occurred. The
amplifier is to be switched off immedia-
tely. In this case, check