2U, dual-channel, one input and output per channel
GRQ2 Remote for Windows Software included with every unit; runs up to 8 Graphi-Q2s per COM port (maximum of 2 COM ports)
All front panel controls are analog-style; signal path is digital
Tweek-n-Peek feature: Front panel adjustments of all parameters are shown in LED display screen
24-bit A/D and D/A conversion, 32-bit processing
20 to 20 KHz Frequency Response
+18 dBV Maximum Signal Input & Output
Floating Point SHARC Processor
>110 dB dynamic range
Each channel provides:
31-band graphic EQ, with ± 6 or 12 dB range (selectable)
Crossover: Bessel, Butterworth, and Linkwitz Reily filters; slopes to 48 dB/octave (Software only)
High-cut filter (3KHz to 20KHz) and Low Cut Filter (20 Hz to 1KHz)
FBX Feedback Exterminator: up to 12 Filters, with Setup Mode (Auto Setup Mode via remote control)
Parametric Filters: up to 12 filters, numeric or graphic control (Software only)
Compressor/Limiter, with controls for ratio, threshold, and gain (attack, release, and knee adjustable with remote)
Digital Delay, with up to 1 second delay, adjustable in 20 microsecond increments
Bypass: dedicated switches for FBX, EQ, and Delay with built in LED indicators
LED Segmented Indicators: FBX Filters, Level, Gain Reduction
LED Point Indicators: FBX Setup, Remote, EQ Range
LED
Character Display: Delay setting, EQ fader boost/cut, High Cut Filter
setting Low Cut Filter setting, Compressor Ratio, Threshold, Gain, and
Staus Messages
Back Panel:
XLR & 1/4" TRS inputs & outputs
RS-232 Serial input & output (additional serial input on the slave front panels)
Remote switching (8-position contact closure switch; allows switch selection of all 20 stored Graphi-Q2 presets)
Graphi-Q2 Remote Software Features:
All front panel controls, plus more, including:
FBX filter depth & width adjustments; switchable to parametric filters (depth, width & frequency adjustments)
Graphic EQ filter width adjustments
Password protection
View & edit frequency response curves
20 user-defined stored presets
Control and link up to 8 Graphi-Q2s (16 channels of audio) per COM port (1 or 2 ports can be used)
Future-proof FREE Flash RAM upgrade capability: upgrade your firmware and software from the Sabine website
Graphi-Q2 Multi-Function EQ 2X2 Specifications:
DIGITAL PROCESSING
24-bit A/D and D/A 32-bit DSP
GRAPHIC EQUALIZER
31
digital filters on 1/3-octave ISO center frequencies, width adjust-
able from 0.5 to 1.0 octave in .01 octave increments; ±12 or 6 dB boost
and cut
±6 or 12 dB boost and cut range
Independent display and control of A & B channels
FBX/PARAMETRIC FILTERS
Twelve
independent digital filters per channel, controlled automatically or
parametrically from 20 Hz to 20 KHz, each switchable (GRQ2 Remote)
between FBX fixed filters, FBX dynamic filters, and parametric filters
Filter
depth: user-controllable in 1 dB steps from +12 dB to -84 dB
(parametric mode); 3 dB steps from 0 dB to -80 dB (FBX mode), max. FBX
depth adjustable from -6 to -80 dB
Filter width: user-controllable from 9.99 to .01 octave (parametric), 1.0 to .01 octave (FBX)
Low Cut Filter, user-controllable between 20 Hz and 1 KHz; 12 dB/ octave roll-off
High Cut Filter, user-controllable between 3 KHz and 20 KHz; 12 dB/octave roll-off
Resolution: 1 Hz from 20 Hz to 20 KHz, FBX & parametric mode
Time required to find and eliminate feedback: typically 0.3 seconds @ 1 Khz
Total number of combined filters active per channel: user-select- able, 0-12; plus low and high cut filters
CROSSOVER
1x2; available in all Graphi-Q2 units
Bessel, Butterworth, Linkwitz-Reily filters
Slopes: 12, 24, 36, and 48 dB/octave
DIGITAL COMPRESSOR/LIMITER
Threshold: +32 dBV to -30 dBV peak in 0.5 dB steps
Ratio: 1:1 through infinity
Knee: variable soft/hard
Attack: 1 to 99 msec in 1 msec steps
Release: .05 to 5 sec in .05 sec steps1
Peak limit threshold: +32 dBV to -30 dBV peak in 0.5 dB steps1
DIGITAL DELAY
1.38 to 999.96 msec in 20 _sec steps
Programmable in milliseconds, feet or meters
PASSWORD CONFIGURATION
4 levels
CONTROLS
GRQ3122, GRQ3121: Front panel, GRQ Remote (RS-232), Re- mote switching
Output impedance: Balanced 50 Ohms nominal, PIN 2 high
Input/Output maximum signal levels: Balanced +18 dBV peak
Maximum output load: 600 Ohms balanced
Bypass: true power-off bypass
I/O connectors: XLR-3, 1/4" TRS
GRQ3122 and GRQ3122-S: Dual channel, one input, one output per channel
GRQ3121, and GRQ3121-S: Single channel, one input, two outputs. Functions on each output selectable via GRQ2 Remote
PERFORMANCE
Frequency response: 20 Hz to 20 KHz, ±0.2 dB @ +18 dBV
THD: <0.01% at 1.0 KHz at +18 dBV with 30KHz bandwidth
SNR: >105 dB Dynamic Range: >110 dB Headroom: +14 dB @ 4 dBV nominal input (balanced)
UPGRADES
Operating
system firmware stored in FLASH RAM. All future upgrades for firmware
and software downloadable from Sabine website using the Sabine Upgrade
Wizard (see Section 8.10).
POWER
50/60 Hz available in 100 V, 120 V, 230 V; 20 W
DIMENSIONS
2-U rack mount 19 x 3.5 x 9 in. (48.3 x 9 x 22.9 cm); 9 lb. (3.9 Kg)
1-U rack mount 19 x 1.75 x 9.5 in. (48.3 x 4.5 x 22.9 cm); 8 lb. (3.6 Kg)
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