3) Set the desired volume with the controls L-CH
and R-CH. In case of overload of the amplifier,
the red LED CLIP (5) will light up. Turn back the
control accordingly.
4) If a unit has been connected to the 3.5 mm jack
PLAYER (1), use the control GAIN (2) to set the
input sensitivity. Thus, differences in volume will
be balanced when switching over to a unit con-
nected to the jacks INPUT 1 – 4 (10). When a
unit with low output level is connected, the con-
trol can also be used to increase the input sen-
sitivity in order to obtain the maximum output
power.
7 Protective Circuit
To prevent damage to the amplifier, a protective cir-
cuit has been integrated. When the protective cir-
cuit has been activated, the amplifier will be muted
and the LED PROTECT (5) will light up:
1. in case of a short circuit at a speaker output
2. in case of overheating of the amplifier
(The LED OVERHEAT will also light up.)
When the LED PROTECT lights up, always switch
off the amplifier and eliminate the fault.
Another protective circuit will switch off the
amplifier when there is overvoltage in the mains
voltage. When the mains voltage has returned to its
standard value, the amplifier will be switched on
again.
8 Specifications
RMS output power
Stereo 4 Ω: . . . . . . . . . . 2 × 125 W
Stereo 8 Ω: . . . . . . . . . . 2 × 75 W
Maximum output power: . . 300 W
Inputs
INPUT 1 – 4: . . . . . . . . . 1 V/ 23 kΩ, RCA
PLAYER: . . . . . . . . . . . . 90 mV – 1 V/46 kΩ,
3.5 mm jack
Frequency range: . . . . . . . 20 – 20 000 Hz
S / N ratio: . . . . . . . . . . . . . . > 100 dB (A-weighted)
Crosstalk attenuation: . . . . > 56 dB
THD: . . . . . . . . . . . . . . . . . < 0.05 %
Power supply: . . . . . . . . . . 230 V~ / 50 Hz
Power consumption: . . . . . 350 VA max.
Ambient temperature: . . . . 0 – 40 °C
Dimensions (W × H × D): . 482 × 44 × 268 mm,
1 RS (rack space)
Weight: . . . . . . . . . . . . . . . 4.7 kg
Subject to technical modification.
CAUTION Never adjust the amplifier to a
very high volume. Permanent
high volumes may damage your
hearing! Your ear will get accus-
tomed to high volumes which do
not seem to be that high after some time.
Therefore, do not further increase a high vol-
ume after getting used to it
10
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.
