Alan Smart C1 SSL Style Bus Compressor

The Smart Research C1 Compressor is the original black front panel version of C2 compressor. (Two sets of controls and two audio channels, but no sidechain inputs, or crush facility). Popular in UK and US west coast studios.  Can be seen and heard at Ellamy Studios in Auckland. 
C1 Compressor Specifications:
Power: 100v-240v AC selectable, 30 watts.
Noise floor: Below -92 dBm (flat 20Hz-20Khz).
Distortion: Below 0.025% (1K/+4 THD 20Hz-20Khz)
Frequency Response: Within 1/2dB from 20Hz to 20Khz.
Depth in rack: 240mm.
Main input: Balanced, impedance 10K per leg.
Output: Unbalanced (p2 hot default). Above +21dBm.
Threshold: Adjustable -15 to +15dBm.
Make-up gain: Adjustable 0 to +15dBm.