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1,0 INTRODUCTION

1.1 PRODUCT DESCRIPTION

The dbx Model

160X

is a professional 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 0'!er Easy curve, coupled with dbx's

true-RMS level detector, wide-range Blackmer

voltage-controlled amplifier (VCA) and feed-

forward circuitry, makes it

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 adjustmenu.

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 creat ive audio equipment.

For metering

the 1 GOX provides a true A MS

dua

wide-range LED array which simultaneously

shows

the an1ount of gain reduct

up to

dB•

and the

nput or output level

from

-40

dB to

+20

dB, depending on the setting of a front

panel switch

T he

160X

also features a true

'hard-wi

ed by

pass"

switch

separate

detector inputs

Tip

ing/

Slec:vc phone jacks as

w ell 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

bal;inced operation

T he dbx Model

160X

is well suited to a broad

ranf)

c of applications including tape recording

disc master ing, radio and TV production and

bro;idcast

live concert sound reinforcement,

mobile and theatrical production

•

Th~

r.nx

c11p•b

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th•n 60 dB of comp,.u

IMPORTANT FOR UK USERS

The wires

this mains lead are

colored in

accordance with the following

code:

Blue: Neutral

Brown: Live

As the

colon

of the wir•

the mains lead

this

e pparatus 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

the

terminal that is marked

with the letter N or colored black;

The wire that is colored brown must

connected to the terminal that is marked

with the letter L or colored red.

Ensure that all terminals are securely

tightened and that there art no

loose strands

of wire.

WARNING

This unit must

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.