The audio mixer
board presented in
this article cannot be
compared with any
mixer board previously
published in
this magazine. In a
way, it is the prelude in a new era in audio engineering. All controls are operated by
integrated digitally
controlled amplifiers
(DCAs). The position
of the slide potentiometers
is converted
by a microprocessor
into a control signal
for the DCAs. It is
even possible to do
away with the potentiometers
and microprocessor
and leave
the control of the
mixer board to a PC,
but this will be the
subject of a future
article.
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