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Soundcraft EFX/EPM User Guide Issue 1210
STEREO INPUT CHANNELS (EFX shown)
1 INPUTS STEREO 1/2
These inputs accept 3-pole ‘A’ gauge (TRS) jacks. Use these inputs for
sources such as keyboards, drum machines, synths, tape machines or
processing units. The inputs are BALANCED for low noise and top quality
from professional equipment, but you can use UNBALANCED sources by
wiring up the jacks as shown in the “Wiring it Up” section earlier in this
manual, although you should then keep cable lengths as short as possible.
Mono sources may be used by plugging into the left jack only.
2 GAIN
The GAIN control sets the level of the channel signal.
3 EQUALISER
HF EQ
Turn to the right to boost high (treble) frequencies, adding crispness to
percussion from drum machines, synths and electronic instruments. Turn
to the left to cut these frequencies, reducing hiss or excessive brilliance.
Set the knob in the centre-detented position when not required. The
control has a shelving response giving 15dB of boost or cut at 12kHz.
MF EQ
Turn to the right to boost mid frequencies, turn to the left to cut these
frequencies. The centre frquency of the MID EQ is 720Hz
LF EQ
Turn to the right to boost low (bass) frequencies, adding extra punch to
synths, guitars and drums. Turn to the left to reduce hum, boominess or
improve a mushy sound. Set the knob to the centre-detented position
when not required. The control has a shelving response giving 15dB of
boost or cut at 80Hz.
4 AUX 1 SEND
This is used to set up a separate mix for FOLDBACK or recording, and the
combination of each Aux Send is mixed to the Aux1 Output. For recording
it is useful for the signal to fade up and down with the fader (this is called
POST-FADE), but for Foldback or Monitor feeds it is important for the send
to be independent of the fader (this is called PRE-FADE).
AUX 1 SEND is globally switchable between pre and post-fade (see
master section on page 24/25). The send pot is fed with a mono sum
of the L & R signals.
5 FX SEND (EFX only)
This control sets the level of the post-fade signal being sent to the FX
bus; from there it is routed to the FX processor.