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S2
The compressor has the following controls:-
Ratio: 1.5/10 variable
Threshold: -20/+10dB variable
Attack: Normal 4 m sec at 5:1
Fast 0.2 m sec at 5:1
Recovery: 0.1 to 4 secs variable with AUTO facility which
is 0.1 to 1.5 secs dependent on programme
Make-up gain: 0 to 20dB variable
Voice-over: Line level balanced input (may be used when
compressor is OFF)
Compressor: ON button with yellow LED
Links 1 & 2: Buttons to connect to 2 link busbars
The limiter has the following control/features:-
Ratio: Fixed 100/1
Threshold: -4/+16dBu variable
Attack: Fixed 100u secs
Recovery: 0.1 to 4 secs variable with AUTO facility which
is 0.1 to 1.5 secs dependant on programme
Peak Limit: Yellow LED
Limiter: ON button with yellow LED
A unit may be used in MONO by ignoring right channel.
The compressor and limiter normally respond to the higher of the left and right signals.
An internal option allows the mono reduction of left and right (-3dB) to take control if the
stereo coherence is such that this exceeds left or right.
This renders it unnecessary to under-drive the stereo outputs which an operator may
otherwise do to guard against the possibility of a higher than desired mono level.
Each main module has an in-built compressor which may be set as a limiter.
For this reason the ratio is extended to 1.5/50. Otherwise the controls provided are
identical to their counterparts on DL3678.
There is provision only for linking the main compressor side chains together.
The compressor may be inserted pre or Post the Main fader.
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