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5.3 Footswitch
A standard double-footswitch (on-/o -switch)
can be plugged into the footswitch-socket on the
rear side of the ampli er via stereo cable. By this
footswitch the internal and external e ects can be
switched on and o .
5.4 Phantom power
Microphones requiring 48 V phantom power
can be connected to the XLR-socket of channel
2 directly. Factory-provided phantom power is
activated but, if required, may be deactivated by an
internal jumper.
In contrary 9 V phantom power, if required, can
additionally be activated in channel 1 by an internal
jumper.
Please note: For both alterations the device must
be opened, therefore only quali ed service per-
sonnel may carry out the modi cations concer-
ning the de-/activating of phantom power.
General Note:
Use of 48 V or 24 V phantom power
(Phantom power = remote supply, here: pow-
ering an audio device via the connected audio
line)
Turn on the phantom power only if the unit
connected to an XLR socket that is designed to
handle it!
In general, suitable units are e.g. condenser
microphones, active DI-boxes and other special
audio devices, whose power supply is drawn
from the phantom power. Such devices are also
labelled accordingly; please heed the permissib-
le power consumption (max.10mA).
High-quality dynamic microphones with a ba-
lanced signal need no phantom power, but can
handle it anyway.
Other devices, which have not been designed
explicitly for phantom power operation, can suf-
fer from considerable malfunctions and damage
may result as well.
Examples of devices that may be damaged
by incorrect application of phantom power
include:
Low-cost dynamic microphones with a mono
jackplug (unbalanced signal) that were tted
afterwards with an XLR connector.
Audio devices with a balanced XLR output (e.g.
DI-boxes, e ects devices, instrument preamps
with a DI output etc.) which are not protected
against phantom power applied to their XLR
output. (The DI connectors on AER products are
protected against applied phantom power.)
Other audio devices (such as preamps, e ects
pedals etc.) whose unbalanced line output was
replaced by an XLR socket.
If in doubt please consult the manufacturer of
the device you are using.
5.2 E ects
The Compact 603 has a built-in (internal) digital
e ect processor, with the select-switch you can
choose between
4 di erent e ects:
1 = reverb 1 (short)
2 = reverb 2 (long)
3 = delay (320 ms)
4 = chorus
The efx-level-control determines the intensity of
the internal e ects (left stop = no e ect).
Furthermore an additional e ects unit (external
e ect) may be connected to the Compact 60
3. For
this purpose use the send and return sockets on
the rear side of the ampli er (send goes to input,
return to the output of the external e ects device).
The intensity of the e ect is adjusted at the external
e ects unit.
With the efx-pan control the di erent e ects are
blended with the original signal. The efx-pan works
as follows:
left stop: internal e ect on channel 1
external e ect on channel 2
mid position: internal e ects on channels 1 + 2
external e ects on channels 1 + 2
right stop: internal e ects on channel 2
external e ects on channel 1
We wish you lots of fun playing your Compact 603!
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