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Pre-Emphasis
This
control
adjusts
Set
to
'Standard' ,
peaks across the full bandwidth of the audio source in a normal manner.
control counterclockwise, the WA-2A will become less responsive to high frequency transients. This
control does not change the tone or the bandwidth of the actual audio output; but merely the sidechain
audio that the opto module responds to.
sidechain one may find on other compressors, though the effect can be somewhat similar.
Pre-Emphasis
actually
audio
signals
are
legacy feature because it can still serve a creative purpose in the world of modern recording.
For example, it can be useful, depending on the program material, in preventing the compres-
sor from 'over-reacting' to low frequency information, for dialing in the right amount of compression for
voice, for reducing sibilance, and other applications.
Meter Select
This control selects what information is conveyed by the VU meter; gain reduction, output measured
at +10dB above meter, or output measured at +4dB above meter. +4dB is an industry- standard
measurement; however a +10dB scale can help the VU meter to convey more dynamic information
within louder signals by providing the VU meter additional 'headroom' to operate in.
Power Switch
This switch powers the WA-2A on and off
HARDWARE CONTROLS — BACK PANEL
AC Power Input
Connect the included IEC grounded power cord to your unit here.
Voltage Selector
The WA-2A can operate at 1 15vAC (60hz) or 230vAC (50hz), depending on the position of the Voltage Selector switch.
Before connecting power or powering on your unit, use this switch to select the correct voltage for your location.
Grounding Lug
This provides a chassis ground connection for the WA-2A, a common feature on many pieces of vintage
recording equipment. This type of ground terminal is rarely used in a modern studio setting due to earth-grounded
(three pin) AC being the norm in most parts of the world. We include this feature mostly for legacy compliance; for
normal and safe operation, your WA-2A should receive earth ground via the ground pin of your IEC power cable.
the
sidechain
audio
the
sidechain
audio
has
its
origins
processed
to
be
that
directs
is
set
'flat'
This control is not exactly like the type of low pass filter
in
the
world
of
prepared
for
transmission.
the
optical
module
and
the
opto
module
FM
radio
broadcast,
We've
to
compress.
responds
to
As you move the
Sidechain
and
in
how
maintained
the
4
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