Dugan Model E-2 User Guide
Stand-alone Operation
33
If You Must Use a Pre-fader Insert
The Dugan Speech System is more convenient to operate if patched post- rather than
pre-fader. If your console allows this, skip this section. If you use a pre-fader insert,
this section describes how to properly mute and pre-listen to muted channels.
Muting Channels
Mics must be muted by using the Dugan’s
mute
buttons. Pulling a fader down on the
console will not properly mute a channel. Although that mic is no longer audible in
the mix, it still contributes to the gain computations and causes ambient noise fluc-
tuation. In the worst case, this could cut off a speaker.
Figure 4-5
Insert points on most analog mixers are at point B
To properly mute a channel:
•
Leave the console faders up, adjust levels while people are talking, and mute a mic
by pressing the Dugan’s
mute
mode button. Enable the mic when needed by de-
activating the
mute
button.
Muting mics does not alter the overall ambient sound mix: the Speech System com-
pensates by slightly raising the ambient gains of the other mics to compensate for
the gain subtracted by muting a mic. Note that this behavior is during ambience
without input to any mic; while one or more mics receive speech input, the gain
shifts to the active mics.
-
OR
-
•
Use the
bypass
switch with the console fader pulled down. This keeps the mic in-
stantly available on the fader but that channel is no longer in the control mix.
Be aware that
bypass
may generate a click if it interrupts room rumble, whereas
the
mute
button does a quick-fade. The
mute
button can be used with the fader up;
bypass
is best used with the fader down.
Control
System
Dugan
Console
Mix Bus
Insert
Point A
Insert
Point B
Fader
Microphone
Input
EQ
Gain Control
Insert
Point C
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