IMG STAGELINE PPA-100/SW Manual De Instrucciones página 7

MAINS
230V~/50Hz
10
only the unit at the jack (5) can be
heard . This jack is of highest priority .
Thus, it will be possible to switch between
up to three units by connecting and, if
necessary, disconnecting the correspond-
ing 6 .3 mm plugs .
3) Connect up to six headphones to the
jacks (2) .
4) Only connect the mains plug to the mains
socket (230 V/ 50 Hz) when all units have
been connected .
6 Operating the Amplifier
1) Prior to switching on the amplifier, turn
all controls LEVEL (4) to position "0" . This
will make sure that your hearing will not
be damaged at switch-on by a volume
which is too high .
2) Use the POWER switch (8) to switch on
the unit . The red LED (9) above the switch
will light up to indicate operation .
3) Use the appropriate switch SOLO / MAIN
(1) to select for each channel the signal
to be monitored .
Button not pressed:
The unit connected to the respective
jack SOLO INPUT (13) can be heard .
Button pressed:
The unit connected to one of the
jacks MAIN INPUT (5, 7, 11, 12) can
be heard . When multiple units are con-
nected, refer to chapter 5 "Connecting
the Amplifier" item 2 .
4) Use the control LEVEL (4) of the appropri-
ate channel to adjust the volume of the
headphones .
Caution! Do not adjust the head-
phones to a very high volume . Perma-
nent high volumes 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 .
5) If the volume is too high when you switch
from SOLO to MAIN using the button
SOLO/MAIN (1), press the button INPUT
LEVEL (6) to attenuate the volume . This
button should also be pressed when a
unit with a very high output level is con-
nected to one of the inputs MAIN INPUT .
6) The LED (3) above the control LEVEL will
light up in green when a specific volume
has been reached . When it lights up in
red (even if only for a very short period
of time), the headphone amplifier is over-
loaded . In this case, turn back the control
LEVEL (4) accordingly .
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may be reproduced in any form or by any means for any commercial use.
7 Specifications
Block diagram see page 18
Frequency range: . . . . . 5 – 30 000 Hz
THD: . . . . . . . . . . . . . . . < 0 .02 %
S / N ratio: . . . . . . . . . . . > 60 dB
Channel separation: . . . 50 dB
Inputs
(sensitivity/ impedance; connection)
Solo: . . . . . . . . . . . . . . 250 mV/ 50 kΩ
Main Low: . . . . . . . . . 250 mV/ 50 kΩ
Main High: . . . . . . . . .
Outputs
6 × stereo headphones: 2 × 16 mW/ 8 Ω
Connection: . . . . . . . . 6 .3 mm jack
Power supply: . . . . . . . . 230 V/ 50 Hz
Power consumption: . . . 11 VA max .
Admissible
ambient temperature: . . 0 – 40 °C
Dimensions
(W × H × D): . . . . . . . . . 482 × 44 ×
Weight: . . . . . . . . . . . . 2 .3 kg
Subject to technical modification .
® INTERNATIONAL GmbH & Co. KG. No part of this instruction manual
MAIN INPUT
L
R
CH 6 CH 5
11 12
6 .3 mm jack
2 .2 V/ 60 kΩ
6 .3 mm jack
and RCA
or
2 × 45 mW/ 32 Ω
or
2 × 75 mW/ 600 Ω
185 mm,
1 rack space
SOLO INPUT
CH 4 CH 3 CH 2 CH 1
13
7