BAL. XLR
1
2
3
GND
HOT
COLD
UNBAL. XLR
1
2
3
GND
HOT
GND
HOT
COLD
GND
XLR CONNECTOR
SCREW TERMINALS
11
ENGLISH
RCF S.p.A. would like to thank you for having purchased this product, which has been
designed to guarantee reliability and high performance.
UNPACKING AND INSTALLATION
We recommend you take a few minutes to read this manual to ensure the correct product
installation and become familiar with its features.
Please unpack the product carefully and keep the box and packing materials, which may be
needed when the product is moved or transported for servicing.
To prevent a system damage and ensure many years of high quality use, do not position this
product near radiators, in front of heating vents or in rooms that are excessively humid or dusty.
Connect the components as illustrated in the following pages.
DESCRIPTION
The amplifier UP 1123 is expressly designed for paging and background music in all public address
audio systems; for example, in restaurants, shops, supermarkets, hotels, offices, department stores
and industrial systems. UP 1123 finds also applications as booster/power-amplifier where is
necessary to extend the speaker lines, in existing systems as well.
MAIN FEATURES:
-
1 balanced audio input with XLR connector or screw terminals, selectable microphone /
line sensitivity, switchable phantom power supply (21 V dc).
-
Constant impedance (4
Ω
) and constant voltage (70-100 V) loudspeaker outputs.
-
AC power supply (from mains).
-
DC power supply (24 V dc).
-
2 tone controls (bass and treble).
-
1 master volume control.
-
5 LED indicators for output level.
AUDIO INPUT CONNECTIONS
