API 527 - Output and Threshold Controls; Output Level Control; Threshold Control

API 527 Compressor
OV
0
10
dB
T
U
O
0
0
T
H
R
E
S
H
10 -20
7
4
0
-3
dBu
-6
.3
.5
1
2
2.5
3
1.5
RELEASE
S
1
5
15
20
ATTACK
mS
25
THRESHOLD
THRESHOLD: Sets the level at which compression begins
· Continuously variable between +10dBu and -20dBu
· Detented 31 position rotary pot for easy recall
· Turning clockwise results in more Compression
OUT
ATTACK: Sets the time it takes the compressor to react when
the level exceeds the set THRESHOLD
· Continuously variable between 1 and 25 ms (milliseconds)
· Detented 31 position rotary pot for easy recall
RELEASE: Sets the time it takes the compressor to recover to
unity gain after the level falls below the set THRESHOLD
· Continuously variable between .3 and 3 seconds (S)
· Detented 31 position rotary pot for easy recall
1
5
15
20
ATTACK
mS
25
.3
.5
1
2
2.5
3
1.5
RELEASE
S
Attack and Release times are fully variable on the 527
Compressor and share a dual-concentric potentiometer for
control. Attack time is adjusted using the outer ring of the pot
and Release time is adjusted using the inner knob.
ATTACK and RELEASE
OUT: Sets the output level of the 527
· Continuously variable 31 position control
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