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26 EURODESK SX4882 User Manual
Bouncing21.
Sometimes you want to play back from one or more tracks, route the signals to
a new track or pair of tracks, and re-record. This process is commonly referred to
as bouncing. Examples would be when reducing 4 lead vocal take tracks down
to 1, reducing 4 separate tom-tom tracks down to a stereo pair via noise gates,
putting a wild eect or EQ onto a dry signal, “comping” backing vocal tracks, etc.
On an analog tape recorder, bouncing to an adjacent track is to be avoided.
A feedback loop can be set up, since for all overdubs or bounces you will be using
the same (sync) head for both playback and record. Organize your track layout so
that any bounces you might have to do are always over at least one track.
There are no restrictions when using digital multitracks.
Input/Output Conguration22.
Nominal level Balanced Attenuation
EURODESK internal +4 dBu - -
XLR microphone input - Yes
Trimpot / PAD
switch
Line A input +4 dBu Yes Trimpot
Line B / tape input +4 dBu / -10 dBV Yes Gain switch
Aux sends +4 dBu No Pot
Aux returns 0 dBu No Pot
MIX-B output +4 dBu No Pot
Subgroup output +4 dBu / -10 dBV Yes Gain switch
Main mix 1/4" jack +4 dBu No Fader
Main mix XLR
+4 dBu (max. +28
dBu)
Yes Fader
2-track out RCA +4 dBu No Fader
2-track in 1/4" jack / RCA +4 dBu No No
External input +4 dBu No No
Channel insert out +4 dBu No No
Channel insert in +4 dBu No No
Channel direct out +4 dBu No Fader
Subgroup insert out 0 dBu No No
Subgroup insert in 0 dBu No No
Main mix insert out 0 dBu No No
Main mix insert in 0 dBu No No
Control room out +4 dBu No Pot
Studio out +4 dBu No Pot
Meter / analyzer out +4 dBu No No
Tab. 22.1: Input/output conguration
The EXPANDER PORT inputs have a nominal level of -2 dBu (subgroup/mix)
and +2 dBu (aux).
All variable gain circuits offer +15 dB (except aux returns, ◊
which offer +20 dB).
All balanced jack sockets are automatically unbalanced when using an ◊
unbalanced jack patch lead!
Modications23.
These modifications require you to do some soldering. Attempt only ◊
if you are experienced in using an iron on PCBs. Otherwise, refer to
qualified personnel. After modification the warranty
becomes discretionary.
Excuse us for repeating ourselves once again: BEHRINGER is not ◊
responsible for anything what happens after you start disassembling
your EURODESK SX4882. Don’t even think of it, if you make much of your
warranty privileges.
Links should not be threaded into holes on the PCB. They should be ◊
soldered to the tinned areas around the holes, and bowed slightly
upwards in between.
Aux sends > post EQ23.1
All channel aux sends are post mute and pre fader. If you want to convert these
to post EQ, carry out the following modication to each channel. You will nd a
corresponding printing on the PCB (see g. 23.1).
Disconnect power supply.1)
Cut the “post mute” track.2)
Add in a “post EQ” link.3)
Repeat for all channels you want to be modied.4)
Fig. 23.5: Modications aux send > post EQ
MIX-B source > post fader23.2
That’s it. You’ve decided to use the MIX-B as a stereo aux send to FX rather
than a separate stereo feed. You can move the tap from the A-channel from
pre to post the channel fader as follows. Again, look for the printing on the
PCB shown below.
Disconnect power supply.1)
Cut the “pre” track.2)
Add in a “post” link.3)
Repeat for all channels you want to be modied.4)
Fig. 23.5: Modications MIX-B source > post fader
LED meters > pre fader23.3
In channel mode the meterbridge monitors the DIRECT OUT signal (post EQ,
post mute and post fader). You would prefer to see what’s going on pre mute
and pre fader? Once you found the corresponding printing on the PCB, all you
have do is:
Disconnect power supply.1)
Cut the “line out” track.2)
Add in a “pre fade” link.3)
Repeat for all channels you want to be modied.4)
Fig. 23.5: Modications LED meters > pre fader