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Active Subwoofer
These instructions are intended for users with
basic knowledge of PA technology . Please read
the instructions carefully prior to operation and
keep them for later reference .
All control elements described can be found in
the figure on page 2 .
1 Overview
1
Inputs INPUT A / INPUT B (combined XLR /
6 .3 mm jacks)
2
Feed-through outputs (XLR and 6 .3 mm
jacks) to route the audio signals of INPUT A /
INPUT B to active speakers, for example, for
mid-high range reproduction
3
Status LEDs
POWER power indicator
SIGNAL lights up when the signal level is
sufficient
CLIP
lights up to indicate overload of the
amplifier
4
Output SUB OUT (XLR and 6 .3 mm jack) for
an additional active subwoofer or a sub-
woofer with separate amplifier
5
Volume control VOL
6
Control HI CUT to set the cutoff frequency
for the low-pass filter (upper frequency limit
for the subwoofer)
7
Switch HPF (high-pass filter) for the feed-
through outputs OUTPUT A / OUTPUT B:
OFF
output of the whole input signal
ON
output of the high frequencies and
midrange frequencies only
8
Switch PHASE to reverse the polarity of the
signal
NORM same polarity as the input signal
REV
polarity inverted compared to the
input signal
9
IEC connector to connect the subwoofer to
a mains socket (230 V/ 50 Hz) via the mains
cable provided
10
ON / OFF switch
2 Safety Notes
The product corresponds to all relevant directives
of the EU and is therefore marked with .
The product corresponds to all relevant UK
legislations and is therefore marked with UKCA .
WARNING
The product uses dangerous
mains voltage . Leave servicing
to skilled personnel and do not
insert anything into the air vents!
Risk of electric shock!
•
The product is suitable for indoor use only .
Protect it against dripping water, splash water
and high air humidity . The admissible ambient
temperature range is 0 – 40 °C .
•
Do not place any vessels filled with liquid, e . g .
drinking glasses, on the product .
•
The heat produced inside the product must
be dissipated by air circulation; never cover
the air vents .
•
Do not use the product and immediately dis-
connect the mains plug from the socket
1 . if the product or the mains cable is visibly
damaged,
2 . if a defect might have occurred after the
product was dropped or suffered a similar
accident,
3 . if malfunctions occur .
Any repairs must be carried out by specialists .
•
Never pull the mains cable to disconnect the
mains plug from the socket, always seize the
plug .
•
For cleaning the product, only use a dry, soft
cloth; never use water or chemicals .
•
No guarantee claims for the product and no
liability for any resulting personal damage
or material damage will be accepted if the
product is not correctly used or not expertly
repaired .
If the product is to be put out of opera-
tion definitively, dispose of the product
in accordance with local regulations .
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