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1.0 INTRODUCTION
1.1
PRODUCT DESCRIPTION
The dbx Model 160X is a single channel
compressor/limiter that features an exclusive
combination of the dbx Over Easy and "hard knee"
compression characteristics, dbx Over Easy
compression permits extremely smooth, almost
inaudible transitions into compression due to the
gradual change of compression ratio around the
threshold. The 160X offers the user the choice of
using the Over Easy curve or a mathematically
precise "hard" threshold-at any compression ratio
selected. The Over Easy curve, coupled with dbx's
true-RMS level detector, wide-range Blackmer
voltage-controlled amplifier (VCA) and feed¬
forward circuitry, makes \t possible to achieve
large amounts of compression without adverse
audible side effects. These features also allow the
160X to actually be set for INFINITY+™
compression. This is a special negative compression
effect whereby the program dynamics are
inverted above the set threshold (i.e., the higher
the input level, the lower the output level).
The detectors of Two Model 160X's can be
coupled so that stereo programs are compressed
with stable imaging, by means of a simple patch
cable between the two units. The stereo coupling
can be disengaged instantly by a front panel
pushbutton.
Program-dependent attack and release times
assure natural sound without the need for con¬
tinuous manual adjustments. Threshold and
compression ratios are adjustable over a wide
range, so virtually any line level signal can be
processed effectively. Output gain is also adjustable
over a very wide range (±20 dB). These features
make the Model 160X compatible with the
operating levels of virtually all professional sound
and creative audio equipment.
For metering, the 160X provides a true RMS
dual wide-range LED array which simultaneously^
shows the amount of gain reduction up to 40 dB*
and the input or output level from -40 dB to
+20 dB, depending on the setting of a front
panel switch.
...
The 160X also features a true ihard-wired by¬
pass" switch, separate detector inputs, Tip/Ring/
Sleeve phone jacks as well as barrier strip con¬
nectors, balanced active inputs and +24 dBm
single-ended output drive capability which can be
field-modified to provide transformer or active
balanced operation.
The dbx Model 160X is well suited to a broad
range of applications including tape recording,
disc mastering, radio and TV production and
broadcast, live concert sound reinforcement,
mobile and theatrical production.
IMPORTANT FOR UK USERS
The wires in this mains lead are colored in
accordance with the following code:
Blue: Neutral
Brown: Live
As the colors of the wires in the mains lead of
this apparatus may not correspond with the
colored markings identifying the terminals in
your plug, proceed as follows:
The wire that is colored blue must be
connected to the terminal that is marked
with the letter N or colored black;
The wire that is colored brown must be
connected to the terminal that is marked
with the letter L or colored red.
Ensure that all terminals are securely
tightened and that there are no loose strands
of wire.
WARNING
This unit must be protected by a 3-amp fuse,
preferably using a fused plug. Also, do not
remove the cover without first disconnecting
the unit from the mains supply.
-The 160X is capable of greater than 60 dB of compression.
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