Harman DBX 1066 - Contour Switch; Compressor Ratio Control; Gain Reduction Meter; Attack Control

6
Operating controls
-15
-10
-5
0
+5
+15
+20
+10
INPUT LEVEL (dB)
OUTPUT LEVEL (dB)
-15
-10
-5
0
+5 +15
+20
+10
1:1 Unity
2:1
4:1
:1
20:1
RED
Above Threshold
GREEN
Below Threshold
Rotation Point Threshold
1:1
2:1
4:1
:1
<
15
<
10
<
5
0
+5
+15
+20
+10
INPUT LEVEL (dB)
OUTPUT LEV
E
L (dB)
<
15
<
10
<
5
0
+5
+15
+20
+10
RED
Below Threshold
Above Threshold
OverEasy Range
G
R
E
E
N
A
M
B
E
R
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Figure 3 shows the effect of 2:1 compression on a signal as it rises above and falls below the threshold. Below
the threshold the signal is not affected. Above the threshold, the output signal increases by only half of the
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increases by only 1 dB, hence the 2:1 compression ratio.
-40
-30
-20
-10
0
10
Time
Signal Level (dBu)
Below Threshold
Above Threshold
Input Signal
-40
-30
-20
-10
0
10
Time
Signal Level (dBu)
Below Threshold
Above Threshold
Input Signal
Output Signal
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#ONTOUR3WITCH - This switch adds a gentle low frequency de-emphasis into the detector path. This is extremely
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This feature allows faster attack times and higher compression ratios with less artifacts. The switch will light
indicating contouring is activated.
#OMPRESSOR2ATIO#ONTROL- This control selects the ratio between input and the output levels for signals above
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'AIN2EDUCTION-ETER - This 12 stage meter shows the amount of gain reduction due to compression, expan-
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!TTACK#ONTROL- The ATTACK control sets the amount of time it takes the 1066 to begin compressing a signal
ONCETHEDETECTORHASSENSEDASIGNALABOVETHRESHOLD4HE!44!#+RANGEISFROMD"MSECFORATIGHTERAND
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