Quadcomp II Specifications

The compressor/limiter shall be a unit of Four independent channels in a steel chassis six inches deep and one rack unit high. 
There shall be front panel switches to link channels 1 and 2, 3 and 4 to track as stereo pairs.  

Each compressor channel shall have a 7 segment LED Gain Reduction display, plus variable controls for Threshold, Ratio and Output Gain. Attack and Release times shall be program
dependent. Each channel shall also have a hardwire Bypass switch on the front panel.

The unit shall have electronically Balanced inputs and outputs, on 3 Pin XLR connectors wired Pin 1 Audio Ground, Pin 2 Hot +, Pin 3 Cold --, with passive RFI filters and an Input
impedance of 20 Kohms (10 Kohms unbalanced). 

The Input headroom shall be +20dB, with a CMRR of better than 50dB, and the frequency response shall be 20 Hz to 20 KHz, +/--0.5dB.
The Output impedance shall be 300 ohms (150 unbalanced), and the maximum Ouput level shall be +20dB, with a Signal to Noise ratio of -98dB 'A' weighted (-93dB unweighted). 

Each compressor channel shall have a Sidechain insert point of
the TRS jack connector type (Tip IN, Ring OUT, Sleeve Audio Ground)
and have an impedance of 10 Kohms. 

Total Harmonic Distortion shall be .015% @ 0dB, 1 KHz, and the unit shall have a dynamic
range of 113dB.

AC Power shall be supplied via a removable mains cable, connecting to an IEC connector with an integral fuse and voltage change switch on the unit's rear panel.

The compressor/limiter shall be the ARX Quadcomp II.