CN-9102 Dual Channel Compressor/Limiter with Gate
Figure 1 – Compression Ratio
4. Attack Control
This knob is used to control the amount of time before the compression circuitry
takes effect after the threshold has been exceeded, adjustable from 0.1
milliseconds to 200 milliseconds.
5. Release Control
This knob is used to control the amount of time before the gain returns to normal
after the input signal drops below the threshold level, adjustable from 50
milliseconds to 3 seconds.
6. Output Control
This knob is used to control the level of the output signal, increasing the signal by
a maximum of 20dB. This can be helpful in compensating for loss of level caused
by the compression/limiting process.
7. Soft/Hard Knee Selector
This switch selects between “hard knee” and “soft knee” compression processes.
HARD KNEE compression: when the input signal rises above the designated
threshold set by the Threshold Control (2), the signal is immediately compressed at
the full ratio selected by the Ratio Control (3).
SOFT KNEE compression: when the input signal begins to rise above the
designated threshold set by the Threshold Control (2), compression will start at a
lower ratio than selected by the Ratio Control (3), reaching the full ratio only at
higher input levels.
Figure 2 – Soft Knee and Hard Knee Compression
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