2 0
866
S
ERIES II
G
ATED
C
OMPRESSOR/
L
IMITER
I
NTRODUCTION
The DOD 866 Series II is a stereo gated compressor/limiter that can be oper-
ated as two independent compressor / limiters or as a single stereo unit. The
866 Series II incorporates "soft knee" characteristics in its compression action
to yield natural sound under gain reduction conditions. Also featured on the
866 is a noise gate to ensure quiet operation when signal is not present. All
critical operating parameters are adjustable, allowing maximum flexibility over
a wide range of applications. However you choose to use it, the 866 has been
designed to be an affordable audio tool for the musician, performing group,
and small to medium-size recording studio.
I
NSTALLATION
Install the 866 in a rack using the provided rack screws. Route the power cord
away from audio lines and plug into a convenient outlet. Connect audio lines
to the appropriate channel A and B jacks on the compressor.
FOR BALANCED CONNECTION: Use 1/4" tip-ring-sleeve phone plugs, wired as
follows:
tip: high
ring: low
sleeve: ground
FOR UNBALANCED CONNECTION: use either 1/4" mono phone plugs or RCA
phono plugs, wired as follows:
tip: hot
sleeve: low
The controls and their functions are as follows:
Gate Threshold: The Gate Threshold controls the level at which the 866 will
allow the input signal through to the compressor section of the unit. If the
signal level is below the threshold, no signal is allowed to pass. The red LED
∞
:1
-30
-10
OPEN
GATE
THRESHOLD
dBu
+6
+12
0
INPUT
GAIN
dB
-10
+20
-40
COMPRESSOR
THRESHOLD
dBu
4:1
1:1
RATIO
10
100
0.1
ATTACK
msec
0.25
2.5
0.05
RELEASE
sec
0
+18
-18
OUTPUT
GAIN
dB
25dB
15dB
10dB
5dB
3dB
1dB
∞
:1
-30
-10
OPEN
GATE
THRESHOLD
dBu
+6
+12
0
INPUT
GAIN
dB
-10
+20
-40
COMPRESSOR
THRESHOLD
dBu
4:1
1:1
RATIO
10
100
0.1
ATTACK
msec
0.25
2.5
0.05
RELEASE
sec
0
+18
-18
OUTPUT
GAIN
dB
25dB
15dB
10dB
5dB
3dB
1dB
COMPRESS
STEREO LINK
COMPRESS
CHANNEL
ONE
CHANNEL TWO
GAIN
REDUCTION
GAIN
REDUCTION
CHANNEL ONE
MASTER
866
series
II
gated compressor/limiter
Signal Processors 18-0121-B 6/8/99 10:25 AM Page 20
