specifications
Crest Audio specification literature is available
in downloadable PDF format at our website
www.crestaudio.com
Crest Audio reserves the right to make
improvements in manufacturing or design
which may affect specification.
X-VCA
v. 1 .1 4/10/00
modules
master module block
group module pair
mono input module
rear view X-VCA
stereo input module
+0/-1dB 20Hz–20kHz ref 1kHz @ +4dBu—any input to any output
any output <.01%
THD
20Hz–20kHz @ +15dBu out
mic ein better-than -128dBu 20Hz–20kHz—150ohm source, 60dB gain
bus output noise less-than -80dBu—output fader
@
0dB,
24 channels routed
residual output noise less-than -90dBu—output fader at minimum
channel mute >90dB channel routing >80dB
channel fader attenuation >90dB aux send attenuation >75dB
< +/- 30 degrees,
20Hz–20kHz—mic-in to main-out
mic-in
XLR
4k ohm balanced—max voltage gain to left/right balanced out
=
98dB
line-in
TRS >10k ohms balanced
left/right/mono—group, aux, matrix—monitor-out
all 100 ohms balanced
headphones to drive > eight-ohms
send 50 ohms ground-compensated on TRS
jack
return >10k ohms balanced on
TRS
jack
+4dBu max level
+26dBu balanced into >1k ohms
high freq +/-15dB frequency range
1kHz–20kHz Q variable 3.0– 0.7 switchable to shelving
high-mid freq +/-15dB frequency range 400Hz–8kHz Q variable 3.0– 0.7
low-mid freq +/-15dB frequency range
100Hz–2kHz Q variable 3.0– 0.7
low freq +/-15dB frequency range
40Hz–800Hz Q variable 3.0– 0.7 switchable to shelving
all group-outputs feature: compressor with threshold, ratio and gain controls—plus soft-knee and response switches
downward expander/gate with adjustable threshold and ratio controls
linking between odd/even group-pairs preserves stereo-imaging and allows for ducking effects
main-outputs feature: five-band output eq:
high and low bands—adj freq three mid-bands—adj freq and Q
left/right/mono
switchable high-pass filter—40Hz @ -24dB/octave
adjustable RMS output-limiters with threshold control and eight-segment gain reduction meter
five-segment
LED ladder with VU-type response—displays pre-fader signal level
top red-
LED warns of impending overload anywhere within the channel, lowest green-LED shows signal-present
thirteen mechanical
VU-type meters with LED-illumination
eight-meters showing group-outs
three-meters showing main-outs (left/right/mono), and two dedicated solo-meters
pink-noise generator can feed the talk-back section
chassis is powder-coated
14-gauge galvanized steel with internal-bracing
modules are powder-coated
18-gauge galvanized steel with baked-epoxy screening
see dimension-drawing
one-year parts and labor—US and Canada only
frequency response
THD
noise
crosstalk
phase shift
inputs
outputs
insert
nominal output level
input channel eq
output features
channel metering
master metering
signal generator
construction
dimensions and weights
warranty
©
2000 Crest Audio Inc.
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