PA Mixing Amplifier
These instructions are intended for installers of
PA systems (chapters 1 – 7) and for users without
any specific technical knowledge (chapters 1 – 3
and chapter 6) . Please read the instructions care-
fully prior to operation and keep them for later
reference .
All operating elements and connections de-
scribed can be found on the fold-out page 3 .
1 Overview
Front panel
1 Volume controls MIC 1 and MIC 2 for both
microphone inputs
2 Volume control for the input PHONO
3 Volume control for the input AUX
4 Tone controls BASS and TREBLE
5 Control to adjust the total volume
6 On / off switch POWER
Rear panel
7 Fuse holder; replace a blown fuse only by one
of the same type
8 Power cable for connection to 230 V/ 50 Hz
9 Screw terminals for a priority switch (NO con-
tact) . As long as the priority switch is pressed,
only microphone 1 can be heard (e . g . for im-
portant announcements) .
10 Screw terminals for speakers
11 Protective cover for the screw terminals
Caution! Never operate the amplifier without
the cover .
12 Screw terminals 12 – 24 V⎓ for an emergency
power supply
13 RCA jacks AUX as input for units with line level
(e . g . CD / MP3 player, cassette deck)
14 RCA jacks PHONO as input for turntables with
magnetic system
15 6 .3 mm jacks MIC 1 and MIC 2 for micro-
phones
2 Safety Notes
This unit corresponds to all relevant directives of
the EU and is therefore marked with
WARNING The unit is supplied with hazardous
mains voltage . Leave servic ing to
skilled personnel only . Never insert
anything into the air vents . Inex-
pert handling may result in electric
shock .
During operation, there is a hazard of contact
with a dangerous voltage of up to 100 V at the
speaker terminals (10) . Never operate the ampli-
fier without the protective cover (11) .
•
The unit is suitable for indoor use only . Protect
it against dripping water, splash water and high
air humidity . The admissible ambient tempera-
ture range is 0 – 40 °C .
•
Do not place any vessel filled with liquid on the
unit, e . g . a drinking glass .
•
The heat generated within the unit must be
dissipated by air circulation . Never cover the
air vents .
•
Do not operate the unit or immediately discon-
nect it from the power supply:
1 . if there is visible damage to the unit or to
the mains cable,
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 unit must be repaired by skilled
personnel .
•
A damaged mains cable must only be replaced
by skilled personnel .
•
Never pull the mains cable when disconnecting
the mains plug from the socket, always seize
the plug .
•
For cleaning only use a dry, soft cloth; never use
chemicals or water .
•
No guarantee claims for the unit or liability
for any resulting personal damage or material
damage will be accepted if the unit is used for
other purposes than originally intended, if it is
not correctly connected or operated, or if it is
not repaired in an expert way .
•
Important for UK Customers!
The wires in this mains lead are coloured in
accord ance with the following code:
.
7