GML9500 
- Mastering Parametric Equalizer-



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The 9500 is the Mastering Version of the 8200. The Gain, Frequency, and Q controls are fully-detented for absolute precision and repeatability. With 1/2dB steps of Boost and Cut and 24 different frequency choices per band, the 9500 is a powerful and comprehensive workhorse for Mastering Engineers around the world. This dual-mono, 3U “King of All Equalizers” requires two 8355 power supplies.



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FORM FACTOR
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 form 0.4 to 4 for all bands switchable to shelving on high and low bands

INPUT
20 kW balanced bridging
> 57 dB common mode rejection at 1 KHz
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, 5000kW load, single-ended.
< ±2.0 mv DC output offset, stabilized by precision DC servos throughout (no electrolytic
coupling capacitors)

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 aluminum, silver legend, 8 1/2” deep;
weight: 11 lbs.