Marani DGP-231QR Professional Digital Multi-Filter 31-Band Stereo Equalizer

Marani DGP-231QR Professional Digital Multi-Filter 31-Band Stereo Equalizer

Marani DGP-231QR Professional Digital Multi-Filter 31-Band Stereo Equalizer

B&H # MADGP231QR MFR # DGP231QR
Marani DGP-231QR Professional Digital Multi-Filter 31-Band Stereo Equalizer

Marani DGP-231QR Professional Digital Multi-Filter 31-Band Stereo Equalizer Back View

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Overview
  • 1Description

The Marani DGP-231QR Professional Digital Multi-Filter 31-Band Stereo Equalizer features a high precision set of 31 filters for each channel, selectable within a large set of different filter types such as Peaker, Hi/Low Pass Ist/2nd Order, Hi/Low Pass variable Q, Hi/Low Shelving Ist/2nd Order, Hi/Low Shelving with variable Q, Ist/2nd Order All Pass, Notch and Band Pass. This powerful professional Equalizer also provides Hp/Lp filters up to 24 dB/Oct, Delay and RMS Compressor, and Peak Limiter for improving the sound defition and dynamic behavior. The equalizer has 32 available memories with 8 factory presets and 24 user memory presets. The equalizer comes with a PC-run remote control software. It can be remotely controlled by a RS-485 connection or by an USB port with ease.

2 x 31-band parametric filters selectable within a set of peaker, Hi / Low pass (Ist / 2nd order), Hi / Low pass variable Q, Hi / Low shelving Ist / 2nd order, Hi / Low shelving with variable Q, Ist / 2nd order all pass, notch and band pass
Each filter can be singularly selected and bypassed for the convenience of adding / removing
Hp / Lp filters up to 24 dB/Oct for each channel
RMS compressor on each channel
Peak limiter for each channel
Independent channel gain, phase control, delay, and mute on each output channel
In the Box
Marani DGP-231QR Professional Digital Multi-Filter 31-Band Stereo Equalizer
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
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    Specifications
    Inputs XLR balanced
    Outputs XLR balanced
    Load 150 Ω (minimum)
    Memory User & Recall: 24
    VU Meter 7 LEDs for inputs (-20 up to +15 dBu, clip)
    7 LEDs for outputs (-20 up to +15 dBu, clip, limit)

    Output LEDs can be used for displaying the output level or the limiter activity.

    THD + N 0.001% at 1 kHz, 0 dBu
    S/N Ratio >110 dB
    Frequency Response 20 Hz to 20 kHz, -0.5 dBu at 20 Hz and 20 kHz
    SPDIF SPDIF Input Gain (Digital): 0 dBu on an RCA connector
    Resolution Process Resolution:
    Dream SAM3716 DSP, 24 x 32-bit for filtering process
    96 bits resolution on intermediate computation results
    Converters 1 x AK5392,24-bit A/D
    3 x AK4396, 24-bit D/A
    Display Graphic 2 x 20 characters
    Processes Bell, 1st / 2nd Ord Shelvings with -3 dB at cutting frequency, symmetrical shelving with variable Q, Hp / Lp with variable Q, 1st / 2nd Ord, all pass (90 / 180° phase rotation at the cutting frequency), bandpass and notch on inputs / outputs, delay, Hp / Lp, RMS compressor, and peak limiter on outputs
    Parametric Equalizer 31 filters on each channel
    Filter Type All Eq Filters are assignable as bell, 1st / 2nd Ord shelvings with -3 dB at cutting frequency, symmetrical shelving with variable Q, Hp / Lp with variable Q, 1st / 2nd Ord, all pass (90 / 180° phase rotation at the cutting frequency), bandpass, and notch
    Gain Filter Gain: For bell and shelving the gain is ranging from -15 up to +15 dBu by 0.5 dBu resolution steps
    Center Frequency Selectable with a 1/24th of octave resolution steps from 20 Hz up to 20 kHz
    Filter Q/BW: Q from 0.05 up to 3 by 0.05 resolution steps
    Crossover X-Over HPF: Butterworth, Linkwitz / Riley, and Bessel filters up to 24 dB/Oct or custom selectable Hp / Lp up to 24 dB/Oct configurable by the user as cascade of 2nd Ord cells adjustable in freq and Q
    X-Over LPF: Butterworth, Linkwitz / Riley, and Bessel filters up to 24 dB/Oct or custom selectable Hp / Lp up to 24 dB/Oct configurable by the user as cascade of 2nd Ord cells adjustable in Freq and Q
    Frequency Response Filter:

    1/24th of octave

    Compressor RMS Compressor
    Threshold From 20 dBu up to -10 dBu
    Ratio From 1:1 (not active) up to 32:1 (limiting)
    Positioning Knee: Soft or hard with intermediate positions (0 to 100%) between soft and hard
    Attack Time Attack time from 5 up to 200 ms (1 ms resolution up to 20 ms, then 10 ms resolution up to 100 ms, and 20 ms resolution up to 200 ms)
    Release Time Release time from 0.1 up to 3 sec (0.1 sec resolution)
    Limiter Peak limiter
    Threshold From -10 dBu up to 20 dBu
    Maximum Delay 848.998 ms by 21 µs increment / decrement steps
    Size 1U x 19.0" (482.6 mm)
    Weight 9 lb (4 kg)

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