Active Subwoofer Module
These instructions are intended for users with basic
electronic knowledge. Please read the instructions
carefully prior to operation and keep them for later
reference.
1 Overview
1
Heat sink, may heat up to 60 °C under full load
The heat sink must be allowed to dissipate heat
without any obstruction. In case of overheating,
the module will go on stand-by.
2 LED to indicate the operating mode
red = stand-by
green = power amplifier switched on
3 Control SUB LEVEL for adjusting the volume
4
Control SUB CROSSOVER for adjusting the
upper crossover frequency for the subwoofer
5
Control SUB-BOOST FREQUENCY for adjusting
the frequency for the bass boost
6
Control SUB-BOOST LEVEL for adjusting the
bass boost up to +6 dB max.
7
Control SUB PHASE for adjusting the phase for
the subwoofer
8
Control SAT CROSSOVER for adjusting the
lower crossover frequency of the high pass for
the output SAT OUT (15)
9 Groundlift switch
button not pressed
signal ground and front plate/earthed con-
ductor are separated
button pressed
signal ground and front plate / earthed con-
ductor are electrically connected
10 POWER switch
11
Mains jack for connection to a mains socket
(230 V/ 50 Hz) via the supplied mains cable
12 Fuse support;
always replace a blown fuse by one of the
sametype
13
Jacks HIGH LEVEL INPUT for the signal input for
connection to the speaker outputs of a power
amplifier;
as an alternative to the RCA jacks LINE IN (14)
14 RCA jacks LINE IN for an input signal with line
level; as an alternative to the jacks HIGH LEVEL
INPUT (13)
15
RCA jacks SAT OUT, signal output with line level
for connection to a stereo power amplifier for
the satellite speakers
2 Safety Notes
The module corresponds to all relevant directives
of the EU and is therefore marked with .
WARNING The module uses dangerous mains
voltage. Never connect the module
to the mains voltage when installing
it into a speaker cabinet. Disconnect
the plug from the mains socket, otherwise you will
risk an electric shock which may be dangerous to life!
•
The module is suitable for indoor use only. Pro-
tect it against dripping water and splash water,
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