GML Model 9500

GML Model 9500 Mastering Parametric Equaliser

The GML Model 9500 Mastering Parametric Equaliser is the Mastering Version of the GML Model 8200 Parametric Equaliser.

GML Model 9500 Mastering Parametric Equaliser Details

The Gain, Frequency, and Q controls of the GML Model 9500 Mastering Parametric Equaliser are fully-detented for absolute precision and repeatability.

With 1/2dB steps of Boost and Cut and 24 different frequency choices per band, the GML Model 9500 Mastering Parametric Equaliser is a powerful and comprehensive workhorse for Mastering Engineers around the world.

The GML Model 9500, dual mono, 3U “King of All Equalisers” requires two 8355 power supplies.

GML Model 9500 Mastering Parametric Equaliser features 2 Channels, 5 Bands: fully Parametric

  • Two channel, 5 fully parametric bands each with precision switched gain, frequency and Q scaling;
  • Frequency control per channel: 2 bands 13 Hz to 800 Hz, 1 band 130 Hz to 8 Khz, 2 bands 420 Hz to 26 Khz
  • Gain adjustable to 0.5 dB resolution 0 to ±6dB, 1.0 dB resolution 0 to ±12 dB
  • Q variable from 0.4 to 4 for all bands switchable to shelving on high and low band

Specifications

  • Input
    • 20 kOhm balanced bridging
    • ! ! > 57 dB common mode rejection at 1kHz
    • ! ! +26.4 dBv maximum input before clipping
  • Throughput
    • Bandwidth: 0.1 dB down at <<10 Hz and 38 KHz, 1 dB down at 150 KHz
    • Accuracy:
    • ±0.10 dB 13 Hz to 26 kHz (gain multiplier switch in X1 position)
    • ±0.15 dB 13 Hz to 26 kHz (gain multiplier switch in X2 position)
    • 6% maximum frequency error
    • Harmonic Distortion:
    • 0.001% typical 22 Hz to 22 kHz with EQ out
    • 0.0015% typical 22 Hz to 22 kHz with EQ in
    • 0.006% typical 22 Hz to 22 kHz with all bands switched in
    • Intermodulation Distortion:1
      0.00100% typical at 20 dBv with EQ out
    • 0.00100% typical at 20 dBv with EQ in
    • 0.00450% typical at 20 dBv with all bands switched in
    • Noise:
    • -100 dBv typical with EQ out
    • -96 dBv typical with EQ in
    • -85 dBv typical with all bands switched in
    • Crosstalk between left and right channels:
    • -95 dB typical 22 Hz to 22 kHz at 20 dBv input with EQ out
    • -90 dB typical 22 Hz to 22 kHz at 20 dBv input with EQ in
    • -85 dB typical 22 Hz to 22 kHz at 20 dBv input with all bands switched in
  • Output
    • 26.4 dBV headroom to clipping, 5000kΩ load, single-ended.
    • < ±2.0 mv DC output offset, stabilized by precision DC servos throughout (no electrolytic
    • coupling capacitors)3 mv output offset, stabilized by D.C. servo correction
  • Other
    • Dual external power supplies (one per channel, included): ±28 volts
    • Separate ground and chassis connections at rear for each channel
    • 19” X 5 1/4” rack mount chassis, black anodized aluminium, silver legend, 8 1/2” deep;
    • weight: 11 lbs.

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The details provided above are drawn from historical documents like advertising brochures or user manuals. They’re shared without bias or review. This info is given solely for your consideration, helping you gauge its usefulness to you.

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