The 9500 is the Mastering Version of the 8200. It is a tube-based two band parametric equalizer. 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.

With its characteristic transparency, the 9500 can be a surgical tools when required but it can also be applied in broad strokes where the tubes thicken and colour the signal. Adding top end air with the 9500 is one of its best features.

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.

The Gear Rack

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