8
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Contents
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Contents
1 Operating Elements
and Connections . . . . . . . . . . . 8
2 Safety Notes . . . . . . . . . . . . . 9
3 Applications. . . . . . . . . . . . . .9
4 Setting Up and Connecting . . . . . 9
4.1 Stereo input LINE IN . . . . . . . . . 10
4.2 Stereo input HIGH LEVEL IN . . . . . 10
4.3 Mono input LFE. . . . . . . . . . . . 10
4.4 Power supply . . . . . . . . . . . . . 10
5 Operation . . . . . . . . . . . . . . 10
5.1 Protective circuits . . . . . . . . . . . 11
6 Specifications . . . . . . . . . . . . 11
Active Subwoofer System
These operating instructions are intended for
users with basic knowledge in audio technol-
ogy. Please read the instructions carefully prior
to operating the unit and keep them for later
reference.
All operating elements and connections
described can be found on the fold-out page 3.
1 Operating Elements
and Connections
1 POWER LED
green subwoofer in operation
red subwoofer in standby mode or pro-
tective circuit activated
2 VOLUME control
3
CROSSOVER control to adjust the cutoff fre-
quency (50 – 150 Hz) of the low pass filter for
the inputs LINE IN and HIGH LEVEL IN
4 POWER switch
5 Support for the mains fuse;
always replace a blown fuse by one of the
same type
6
Cable for connection to a mains socket
(230 V/ 50 Hz)
7 Stereo signal input LINE IN (RCA jacks)
8 Mono signal input LFE (RCA jack)
9 PHASE reversal switch
10 STAND BY selector switch
position OFF: always in standby mode
position ON: always in operation
position AUTO: switching between the
modes operation and
standby depending on
the signal level
11
Stereo signal input HIGH LEVEL IN for connec-
tion to the speaker output of an amplifier
There are banana jacks under the protective
caps of the screw terminals.
12
Feed-through outputs HIGH LEVEL OUT,
connected to the corresponding jacks
HIGH LEVEL IN (11), for connecting the
other speakers
There are banana jacks under the protective
caps of the screw terminals.
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