4
3]
Controls and Indicators
•
DRIVE
This control adjusts the amount of signal sent to the side chain circuit and therefore the
amount of gain reduction applied. Think of it as a Threshold control as found on other
compressors. Clockwise rotation increases the amount of gain reduction.
•
OUTPUT dB
Adjusts the post compression make up gain to bring the output level back up to the desired
level. Variable from 0dB to +15dB gain.
•
ATTACK.
This switch has 3 positions. See Tips for Use for more info.
Slow
– The attack time of the compressor = approx 70mS and varies slightly depending on
the amount of gain reduction. The attack time speeds up with greater gain reduction. This
setting is great for getting extra “front” on a percussive sound.
Auto
– Attack time of the SOC 1.1 is totally dependant on the program material and the
amount of gain reduction occurring. This is perhaps the most “musical” mode when using
low Ratio settings and could also be named the “Classic Sound” setting.
Fast
- The attack time of the compressor is 1mS, and also varies with program material.
Percussive signals will provide a further increase in speed, the SOC 1.1 will attack faster.
Recommended when using 10:1 or 20:1 Ratio setting under heavy gain reduction.
•
RATIO
This control adjusts the change in gain reduction for a given change in input signal level. For
example, in position 5 a 5dB increase in input signal level will yield a 1dB increase in output
signal level, being a Ratio of 5:1. Because the SOC 1.1 has a soft knee characteristic, the
Ratio value selected is the ultimate achieved and will appear to be softer at threshold. Also
see page 7.
SOC 1.1 USERS MANUAL VERSION-4 PAGE 4
Summary of Contents for SOC 1.1 Stereo Optical Compressor
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