Crest audio X-MONITOR User Manual
microprocessor-based muting system
The X-Monitor’s straightforward microprocessor-based muting system was co-developed with JL Cooper, and combines muting flexibility with ease of
operation. Eight manual-mute groups are provided, each with a dedicated activation-switch, any number of which may be activated at one-time. The
system includes 128 MIDI-based sequential scene mutes that can work alone, or in conjunction with, the manual mute groups. Scene mutes can be
controlled via external MIDI signals, and each of the 128 mute scenes may be preset to issue a MIDI program-change command to an external device.
• four-band eq with sweepable mid-bands and high-pass filters on all inputs
• twelve monitor-mixes from inputs operated in mono
—or in-pairs for stereo operation with level and pan functions
• additional bus assignment to four
MATRIX and A
and B output mixes
for a total of 18-outputs
• built-in
SPLITTER system with ground-lift switches
• twelve-channels of six-band output eq, with three
fully-parametric mid-bands—HF and LF being sweepable,
plus a continuously-variable high-pass filter
• four-channels of five-band eq on
MATRIX outputs
• five-segment LED level indication on all mono input modules, with variableintensity SIGNAL PRESENT indicator and multiple sample point PEAK indicator
• stereo solo-system features: switchable
AFL/PFL mode,
LAST-PRESSED functions, and input-priority with master SOLO CLEAR switch
—all inputs and outputs may be monitored
• signal-monitoring via headphone and alternate output,
plus primary monitor output on 100mm fader
• direct input assignment to matrix system enables effects-output control
or the assembly of additional generic-mix outputs
• direct input and group assignment to A and B output channels
—providing additional monitor outputs (cross-stage monitor system)
or primary outputs (front-of-house application)
• separate ground-compensated insert sends and balanced returns on group,
matrix and left/right outputs
• meter bridge—fourteen mechanical meters with solid-state illumination:
outputs 1–12 and solo-left and solo-right
description
features
Designed for today’s monitor-mixing techniques, X-Monitor is
capable of generating both mono and stereo mixes, via the use
of global mode-switches. When stereo-mode is selected for a pair
of outputs, both level and pan controls are made available on each
input channel. X-Monitor can be used as a self-contained monitorsystem, because both an input microphone-splitter and comprehensive output-eq are provided. Simply add speakers and power,
or in-the-ear monitors, and the system is ready to go. Extensive
signal-monitoring is provided for the mix engineer: any input or
output may be routed to the primary monitor-system
(
control-
lable from100mm fader
)
and headphones. An additional alternateoutput may be used to feed an external real-time analyzer, or as a
feed to an artist’s technician. Full-time LED metering is provided
on all input channels, while the twelve primary-outputs are
monitored with solid-state illuminated mechanical meters, located
in the meter bridge assembly. A microprocessor-based muting
system is provided on both inputs and outputs, and may be operated manually or in sequential-mode.
X-Monitor may also be used in front-of-house applications where
multiple mixed-outputs are required—as in special AV applications.
All group channels may be routed to the primary mix output-pair,
allowing up to twelve sub-group channels to be operated. XMonitor consoles are available with 24, 32, 40, and 48 mono input
channels.
sound fundamentals
Even in the most demanding environments, the sonic performance
of the X-Monitor is sure to please discriminating sound engineers
and audiences alike. The X-Monitor’s circuitry delivers both
extended headroom and low-noise: exclusively employing the
latest-generation of integrated circuits and studio-grade
proprietary-design microphone pre-amplifiers.The X-Monitor
console has exceptional phase-shift performance, exibiting
less than +/-30 degrees-of-shift from input to output—significantly
better results than most consoles, regardless of price.
X-Monitor console
built to defy murphy’s law
X-Monitor consoles are manufactured to the same exacting qualitystandards as all Crest Audio console products. Each input channel has
its own discrete vertically-mounted circuit board, for greater impact
resistance and serviceability. All circuit boards employ plated-through
double-sided glass epoxy construction—providing greater strength
and integrity. The console’s road-worthy external frame is fabricated
from 14-gauge galvanized steel. X-Series power supplies utilize amplifer-engineering technology to deliver stable voltages and long-term
reliability, and provide built-in facilities for a redundant back-up supply—ensuring that the show will always go on.
specifications
Crest Audio specification literature is available
in downloadable PDF format at our website
www.crestaudio.com
©
2000 Crest Audio Inc.
Crest Audio reserves the right to make
improvements in manufacturing or design
which may affect specification.
X-Monitor
v.1.0 1
/24/00
+0/-1dB 20Hz–20kHz ref 1kHz—any input to any output
any output <.01%
THD 20Hz–20kHz @ +15dBu out
mic ein better-than -128dBu 20Hz–20kHz—150ohm source, 60dB gain
channel mute >80dB 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 group 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 shelf at
12kHz
hi-mid freq +/- 15dB bell freq range 400Hz–8kHz, Q=1.5
low-mid freq +/- 15dB bell freq range
80Hz–2kHz, Q=1.5
low freq +/- 15dB bell-boost /shelf-cut freq center 80Hz, Q=.7 on boost
high-pass filter -12dB/octave freq range
20Hz–400Hz
separate on-switches for eq and high-pass filter
five-band eq on all main outputs high-pass filter:-12dB/octave freq range
20Hz–400Hz
separate on-switches for eq and high-pass filter
five-segment
LED ladder with VU-type response—displays pre-fader signal level
top red-
LED warns of impending overload anywhere within the channel
fourteen mechanical
VU-type meters with LED illumination
twelve-meters showing group-out
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
five-years
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
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