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
8
1
GREEN – ON
RED
– STAND-BY
2
SUB
SUB
LEVEL
CROSSOVER
100 Hz
MIN
MAX
50 Hz
150 Hz
3
4
SAM-2 ACTIVE SUBWOOFER MODULE
POWER
250
10
230 V ~ / 50 Hz / 300 VA
11
12
T3.15AL
SUB-BOOST
FREQUENCY
LEVEL
PHASE
40 Hz
°
30 Hz
50 Hz
0
+ 6 dB
0
5
6
• 200
/ 4
• 125
/ 8
W MAX
W RMS
W RMS
LEFT
RIGHT
13
HIGH LEVEL INPUT
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
same type
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
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,
SUB
SAT
CROSSOVER
100 Hz
°
180
50 Hz
150 Hz
7
8
GND
LIFT
9
GROUND
LIFT
14
15
LINE IN
SAT OUT
RIGHT
LEFT
voltage . Never connect the module
to the mains voltage when installing
it into a speaker cabinet . Disconnect
.