500 Series Kompressoren

OCL-500 Specifications
Format: API® 500 series standard, fully compatible
Input Impedance: 20K!, balanced
Output Impedance: less than 50!
Max. Output Level: +27dBu, balanced
Threshold: off to 20dB of gain reduction at +4dBu
Ratio: 1.5:1 to 15: 1, soft knee
Output: Off to +20dB of makeup gain
Max. Gain Reduction: 27 dB
Frequency Response: +/- 1 dB from 10Hz to 95kHz
Noise Level: better than 78dB below +4dBu, 0-30kHz
Total Harmonic Distortion: less than 0.01% with no compression
Time Constants
Position Type Description
F Fast Peak-averaged by the opto-cell
A Average RMS response
V1 Vintage 1 Three-stage multi-slope (auto)
V2 Vintage 2 Slower three-stage multi-slope (auto)
M1 Manual 1 Medium attack, medium release
M1 Manual 2 Slower attack, slower release
Average and Vintage 1 are the presets in the Quartet.
Vintage 2 is the Vintage preset in the Quartet II.
M1 and M2 are manual attack and release settings
often used in the OCL-2.