3) Reproduce sound, e . g . music, via the existing
audio system and add the desired low bass
part with the VOLUME control (2) . Only turn
up the control to such an extent that the
sound reproduced will not be distorted .
4) Use the control CROSSOVER (3) to adjust the
cutoff frequency of the low pass filter so that
the subwoofer will optimally complement the
frequency re sponse of the other speakers .
If required, readjust the volume balance
with the VOLUME control (2) .
5) Different distances of speakers to the listener
may result in phase cancelation (certain fre-
quencies will have a lower volume) . To com-
pensate this, the phase of the subwoofer
signal is reversible with the PHASE reversal
switch (9) .
Test both switch positions to find the
position offering the bass reproduction of
the highest volume at the listening position .
Then readjust the volume balance with the
VOLUME control (2), if required .
6) If the automatic standby mode is deactivated
☞
(
step 2), switch off the subwoofer with
the POWER switch (4) after use .
To prevent unnecessary power consump-
tion, it is always recommended to switch off
the subwoofer when not in use for longer
periods .
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be reproduced in any form or by any means for any commercial use.
INTERNATIONAL GmbH & Co. KG. No part of this instruction manual may
®
6 Specifications
Frequency range: . . . . . . 30 – 250 Hz
Amplifier power
RMS power: . . . . . . . . 50 W
Maximum power: . . . . . 90 W
Sensitivity
of the speaker: . . . . . . . . 87 dB (1 W/ 1 m)
Max . SPL: . . . . . . . . . . . . 105 dB
Low pass filter: . . . . . . . . 50 – 250 Hz, 12 dB /oct .
Inputs (sensitivity, impedance, connection)
LINE IN: . . . . . . . . . . . . 185 mV, 9 kΩ, RCA
HIGH LEVEL IN: . . . . . . 4 V, 480 Ω,
Power supply: . . . . . . . . . 230 V/ 50 Hz
Power consumption: . . . . 152 VA max .
Standby: . . . . . . . . . . . . 0 .8 VA
Ambient temperature: . . 0 – 40 °C
Dimensions
(W × H × D): . . . . . . . . . . 300 × 330 × 340 mm
Weight: . . . . . . . . . . . . . 9 .8 kg
Subject to technical modification .
screw terminal with
4 mm banana jack
11