PA Mixing Amplifier
These instructions are intended for installers of
PA systems and for users without any specific
technical knowledge (chapter 4) . Please read
the instructions carefully prior to installation and
keep them for later reference .
1 Applications
This amplifier with a power rating of 120 W
is specially designed for PA systems . Either
use 100 V or 70 V speakers or low-impedance
speakers (minimum impedance: 4 Ω) . Apart from
mains operation, it also allows 24 V operation for
mobile applications .
For reproducing speech and music, up to
3 microphones and up to 4 other audio sources
can be connected . The connection TEL INPUT is
available for important (emergency) announce-
ments . In addition, a remotely controllable music
module with Bluetooth receiver, DAB+/ FM radio
and audio player for micro SD memory cards / USB
flash drives* is integrated .
* Due to the large number of storage device manufac-
turers and device drivers, it cannot be guaranteed that
all storage media are compatible with the audio player .
2 Safety Notes
This product corresponds to all relevant directives
of the EU and is therefore marked with
WARNING This product uses dangerous
mains voltage . Leave servicing to
skilled personnel only and do not
insert anything into the air vents .
Risk of electric shock!
During operation, there is a hazard of contact
with a dangerous voltage of up to 100 V at the
terminals SPEAKER OUTPUT . Always put the
protective caps on the terminals when oper-
ating the product .
•
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 .
10
•
The heat generated inside the product must
be dissipated by air circulation . Never cover
the air vents of the housing .
•
Do not use the product and immediately dis-
connect it from the power supply
1 . if the unit or the mains cable is visibly dam-
aged,
2 . if a defect might have occurred after the
unit was dropped or suffered a similar
accident,
3 . if malfunctions occur .
In any case the product must be repaired by
skilled personnel .
•
Never pull the mains cable to disconnect the
mains plug from the mains 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 prod-
uct is not correctly used or if it is not expertly
repaired .
If the product is to be put out of opera-
tion definitely, dispose of the product in
accordance with local regulations
.
3 Installation
Set up the amplifier on a flat, horizontal surface
so that air will be able to flow freely through the
air vents on the sides and on the rear to ensure
sufficient cooling . Always switch off the ampli-
fier before making or changing any connec-
tions. After connecting, put the protective
caps on the screw terminals to protect you
against any accidental contact.
3.1 Inputs
1) To connect a microphone, use the jack CH 1,
CH 2 or CH 3 . The input CH 1 or TEL INPUT
has highest priority (selectable with DIP switch
No . 4), i . e . when a signal is available at one
of these two inputs, all other channels will be
muted . Set the DIP switches SELECT to the
required positions: