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Specifications
I/O
The key input and LFE filter inputs are electronically balanced with an input impedance of 10kohms.
All other inputs are transformer balanced with 3.6kohms input impedances.
All outputs are electronically balanced post the output transformers, with maximum output of
+26dBu into 600ohms. The unit is calibrated for bridging loads greater than 10kohms.
Control Voltage I/O is provided for linking multiple units, or linking to 33609 compressors.
Connection is by 15 pin D-Type (see the section on EXT control for details).
Audio Performance
Equivalent input noise (20kHz band): < -78dBu
THD+N (for 20dBu input @1kHz): < 0.03%
Maximum Output Level: > 26dBu into 600 ohms
Interchannel Crosstalk: < -80dB at 15kHz
Control
LFE Filter: 12dB/octave low-pass, -3dB frequency selectable
to 80Hz, 100Hz or 120Hz.
Sidechain & Key Filters: 12dB/octave high-pass, -3dB frequency selectable to
80Hz, 100Hz or 120Hz.
Threshold: -20dBu to +16dBu master control, with ±15dB
trims on all channels.
Make-up gain: -10dB to +20dB.
Ratio: 1.5:1, 2:1, 3:1, 4:1, 6:1, MAX (~8:1).
Attack: 2ms, 4ms, 6ms, 8ms and 16ms.
Release: 100ms, 200ms, 400ms, 800ms, 1.5s and 3s.
Output Level Trim: 0dB to -5.5dB pad, in 0.25dB steps.
8051 5.1 Compressor User Guide
Issue 2 Page 16