5 Connecting the Amplifier
All connections must be made by skilled personnel
only. Always switch off the amplifier before con-
necting!
1) Connect the plug (13) of the microphone pro-
vided to the jack MIC (2).
2) The jacks AUX (3) can be used to connect an
audio unit with line output level (e. g. MP3 / CD
player, radio, cassette recorder).
3) Connect the speaker (minimum impedance:
4 Ω) or a speaker group with a total impedance
of at least 4 Ω to the terminal* SPEAKER OUT-
PUT (10).
4) Finally connect the 12 V operating voltage (mini-
mum current rating: 2 A) to the terminal* 12 V (9).
* To make handling easier when connecting, the screw ter-
minals can be removed from the plug connection.
6 Operation
1) To prevent an excessive initial volume and any
switching noise, set the controls MIC LEVEL (4)
and AUX LEVEL (6) to zero. Switch on the ampli-
fier using the POWER switch (7). The power
LED ON (8) lights up.
2) To make microphone announcements, keep the
talk button (11) pressed and adjust the volume
using the control MIC LEVEL.
Note: If feedback occurs during announcements, in
-
crease the distance between the speaker and the micro-
phone and / or turn back the volume control MIC LEVEL.
3) For reproducing music from a unit connected to
the jack AUX (3), use the the control AUX LEVEL
to adjust the volume.
4) To activate the siren, keep the button SIREN (5)
pressed.
Caution! The siren will always sound at maxi-
mum volume (volume not adjustable).
5) After operation, switch off the amplifier using the
POWER switch.
7 Specifications
Output power with
4 Ω speaker connected: . 10 W
RMS
, 15 W
MAX
Minimum
speaker impedance: . . . . 4 Ω
Inputs
Sensitivity/ impedance; connection
MIC: . . . . . . . . . . . . . . 3.4 mV/ 2.2 kΩ;
6.3 mm jack, unbal.
AUX: . . . . . . . . . . . . . . 240 mV/ 11 kΩ; RCA
Frequency range: . . . . . . 20 – 20 000 Hz
S / N ratio: . . . . . . . . . . . . 70 dB
THD: . . . . . . . . . . . . . . . . < 0.3 %
Power supply: . . . . . . . . . 12 V / 2 A
Ambient temperature: . . . 0 – 40 °C
Dimensions (W × H × D): 151 × 41 × 115 mm
Weight: . . . . . . . . . . . . . . 410 g
Subject to technical modification.
CAUTION
Never adjust the amplifier to a very
high volume. Permanent high vol-
umes may damage your hearing!
Your ear will get accustomed to high
volumes which do not seem to be
that high after some time. Therefore,
do not further increase a high volume
after getting used to it.
7
GB
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®
INTERNATIONAL GmbH & Co. KG. No part of this instruction manual
may be reproduced in any form or by any means for any commercial use.
