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Sabine Graphi-Q2 Multifunction Processor
     

    Sabine Graphi-Q2 Multifunction Processor

    Manufacturer: Sabine

    Item #: GRQ3122-U   •   MFG #: ADF-4000

     

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    The Graphi-Q2 combines 8 indispensable audio products into one very affordable, all-digital package with an easy-to-use hands-on interface. With the touch of a fader you can shape your frequency response using the GRQ2's 31-band digital graphic EQ. Need more control? Use the parametric EQ to control your filter width, depth and frequency. Time-align your speakers with the digital delay. Manage your system gain with the GRQ2 digital compressor/limiter. Finally, add 3 to 9dB of extra gain and automatic feedback control with Sabine's patented FBX technology.

    This interface has an instant hands-on, front panel control. RS-232 remote computer control, 20 onboard program memories, and remote switching via contact closures are standard. The Graphi-Q2 gives you a high level of control and superb audio quality at a low price.

    No Limits on DSP Power.
    You will never run out of DSP power because all Sabine Graphi-Q2 functions run concurrently. Set as many filters as you need, and add as much gain management and delay as the job requires. There are no meters showing DSP usage, because you will never run out of power.

    Sabine's 24-bit A/D and D/A give the cleanest audio possible, and Analog Devices' 32-bit floating-point SHARC digital processor powers every GRQ2, allowing simultaneous use of these eight essential functions:

    31-band digital grahic EQ, with 6 or 12 dB range
    The interface has the patented FBX Feedback Exterminator: up to 12 FBX SmartFilters with Quick & Quiet Setup Mode
    Parametric Filters, up to 12 with full graphic editing
    High- and low-cut filters
    Crossover: 1x2, with Bessel, Linkwitz-Reily, and Butterworth filters, slopes to 48 dB
    Limiter: Full-featured, including hard limiting for speaker protection
    Compressor: Full-featured, switchable to stereo or mono
    Delay: up to 1 second delay, adjustable in 20 microsecond increments

    Upgraded Graphi-Q2 Features:
    Crossover: Perfect for speaker control in mains and monitors
    Mixed control for the front panel: Selectively enable control for each function on the front panel
    GRQ2 Remote Software: Compatible with all versions of Graphi-Qs
    Channel-specific preset save and recall: Create presets to apply to either channel, or both
    Graphic Editing of Parametric Filters: Real-time filter drawing
    GRQ2 Remote Software: Compatible with all versions of Graphi-Qs

    Flexible Control
    Front panels: The GRQ-3122 provides a hands-on, "analog style" front panel control for your digital graphic EQ, high- and low-cut filters, FBX, Compressor, and Delay. Sabine's Tweek 'n' Peek gives you an instant readout of your every move on the front panel.

    The GRQ2 digital delay provides precise speaker alignment, with 20-microsecond resolution, at the touch of a button. And you get dedicated bypass switches for FBX, EQ and Delay with built-in LED indicators.

    Sabine's Graphi-Q2 Remote Control Software gives you instant access to all front panel controls and to an additional layer of functions. You can view and edit frequency response curves, view edits before executing them, and take advantage of unlimited GRQ2 file storage.

     
    • Features

      • 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
       
    • 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
      • GRQ3122-S, GRQ3121-S: GRQ Remote (RS-232), Remote switching
        SAVE & RECALL CONFIGURATIONS
      • 20 user defined
      • 1 factory default
      • 1 most recent configuration (power down save)
      • 1 front panel
        INPUT/OUTPUT
      • Input impedance: Balanced > 10K Ohms, PIN 2 high
      • 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)
        OPERATING TEMPERATURE
      • Safe Operating Temperature: 0 - 50 degrees centigrade ambient temperature (32-129F)
      • Below approximately 200 Hz the feedback filters become slightly wider to increase the feedback and rumble capture speed at these low frequencies.
      • Inputs may be balanced or unbalanced. For maximum output capabilities, outputs must be balanced (XLR or TRS). If either side of an output is grounded, the peak and output dynamic range will be reduced by 6 dB.
      • Signal-to-noise ratio is the ratio of the maximum undistorted signal by specification (26 dBV RMS sinewave) to the noise floor.
       
     
     

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