Dbx 296 Manual de usuario

Tabla de contenidos

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MODEL

296

SPECTRAL

ENHANCER

OPERATION

MANUAL

dbx

ROECT|

OPERATING

CONTROLS

Front

Panel

BYPASS

ew

FF

(kHz)

CLIP

eeccccce

e

2

ay

1.5

243.9

62

10 16

25

40

5

5

7

4 6

4

6

|

|

AZ

+9

i

i

2

.

i.

:

Spectral

Enhancer

96

|

*

iJ

14

MIN

‘MAX

OFF

MAX

+

MAX

OFF

GAIN

(dB)

HISS

REDUCTION

LF

DETAIL

HF

DETAIL

C)

a

INPUT

PROCESS

Note:

The

INPUT

and

PROCESS

controls

are

available

independently

for

channel

1

and

2.

POWER

LED:

The

red

POWER

LED

lights

when

AC

power

is

applied

to

the

rear

panel

power

jack.

INPUT

Control<

BYPASS

Button

and

LED:

Press

this

button

In

to

bypass

the

front

panel

controls,

effectively

canceling

the

function

and

processing

effect

of

the

296’s

enhancement

settings.

The

input

signal

is

still

present

at

the

296’s

Output,

but

is

now

unaltered

by

the

296’s

controls.

The

BYPASS

feature

is

especially

useful

for

making

comparisons

between

processed

and

unprocessed

signals.

(Note:

the

296

BYPASS

is

hardwired.

It

will

pass

signal

even

if

the

unit

is

not

powered.)

The

red

BYPASS

LED

lights

when

BYPASS

is

active.

GAIN

(dB)

Control:

This

control

sets

the

level

of

the

input

signal.

To

add

gain,

rotate

the

control

clockwise

from

0.

To

attenuate

the

input

signal,

rotate

the

control

counterclockwise

from

0.

Note

that

the

0

setting

(control

set

to

12

o’clock

position)

is

the

nominal,

or

unity

gain

setting;

in

this

case,

the

input

is

neither

boosted

or

attenuated.

PROCESS

Controls

HISS

REDUCTION

Control

and

HF

CUTOFF

LED

Meter:

Use

the

HISS

REDUCTION

control

to

activate

the

296’s

high

frequency

filter.

For

normal

operation,

adjust

this

control

clockwise

from

MIN

until

the

audible

hiss

is

re-

duced

or

eliminated.

The

fully

counterclockwise

setting

turns

the

Hiss

Reduction

function

Off.

Note

that

HISS

RE-

DUCTION,

when

active,

is

applied

to

the

dry

input

signal

before

any

“detailing.”

The

HF

CUTOFF

LED

meter

is

a

useful

guide

to

setting

the

HISS

REDUCTION

control

because

it

shows

the

bandwidth

of

the

filter

at

every

moment,

providing

visual

verification

of

the

filter's

audible

effect.

LF

DETAIL

Control:

Use

this

control

to

set

the

amount

of

low

frequency

energy

that

the

296

adds

to

the

input

sig-

nal.

The

LF

DETAIL

control

boosts

the

“bottom

end”

frequencies

(centered

around

50Hz)

while

simultaneously

cut-

ting

the

“muddy”

mid-bass

frequencies.

For

most

applications

requiring

LF

DETAIL,

start

with

the

control

at

5

and

adjust

as

necessary.

The

fully

counterclockwise

setting

turns

this

section

Off.

HF

DETAIL

Control:

Use

this

contro!

to

set

the

amount

of

high

frequency

energy

that

the

296

adds

to

the

input

signal.

Continuous

analysis

of

the

input

signal

intelligently

and

automatically

determines

the

amount

of

equaliza-

tion

necessary

at

each

moment

to

achieve

detailed,

defined

audio

that

is

never

shrill

or

over-sibilant.

Modest

set-

tings

(between

4

and

6)

go

a

long

way

for

most

applications,

and

fully

clockwise

settings

will

be

more

than

sufficient

for

almost

any

application.

The

fully

counterclockwise

setting

turns

the

HF

DETAIL

Off.

CLIP

LED:

The

red

CLIP

LED

lights

when

the

296’s

controls

are

adjusted

so

that

the

unit

is

clipping.

If

this

occurs,

your

output

peaks

may

be

exceeding

+20dBu.

Turn

down

one

or

more

of

the

following

296

controls

until

the

LED

Stays

off:

HF

DETAIL,

LF

DETAIL,

INPUT

GAIN.

If

clipping

is

still

evident

at

the

296

output,

the

input

signal

to

the

296

is

too

“hot”;

turn

down

the

level

of

the

unit

driving

the

296

(e.g.,

keyboard,

preamp,

mixer,

etc.).

Model

296

OPERATING

CONTROLS

Rear

Panel

CHANNEL

1

MANFACTURED

UNDER

THE

FOLLOWING

US

PATENT

INPUT

OUTPUT

1050217

O

+

Tip

)

—

RING

)

USE

ONLY

©

POWER

SLEEVE

SPECIFIED

18-VAC

=

POWER

SUPPLY

INPUT

Jacks:

Use

1/4”

phone

plugs

to

connect

these

inputs

to

your

source.

The

296’s

INPUT

jacks

accept

either

balanced

or

unbalanced

signals.

Nominal

input

level

is

OdBu

and

clipping

level

is

+20dBu.

Input

impedance

is

100kQ.

OUTPUT

Jacks:

The

OUTPUT

jacks

accept

4°

pnone

plugs.

Nominal

output

signal

level

is

OdBu

into

60022,

and

typical

maximum

output

signal

level

is

+20dBu

into

6002.

Output

impedance

is

47Q.

The

outputs

are

single-

ended

(or

unbalanced),

Tip

Hot.

AC

Power

Supply

Jack

Plug

the

AC

Power

Supply

(shipped

with

your

unit)

into

this

jack

and

an

appropriate

AC

power

source.

Note

that

the

296

does

not

have

a

power

button.

It

is

recommended

that

the

296

be

“On”

at

all

times.

Power

consumption

is

low.

If

you

do

not

plan

to

use

the

296

for

an

extended

period

of

time,

unplug

it.

Connection

to

an

inappropriate

power

source

may

result

in

extensive

damage

which

is

not

covered

by

the

war-

Warning:

Be

sure

to

verify

your

actual

line

voltage

is

the

same

as

the

voltage

level

printed

on

the

power

supply.

)

ranty.

OPERATING

NOTES

_

=

dbx

PROJECT

|

OPERATING

Nui

ES

Using

the

296

The

best

way

to

become

familiar

with

the

296,

whether

in

the

studio

or

live,

is

to

pass

audio

through

it

and

listen

to

the

effects

produced

by

turning

the

various

controls.

Use

the

table

shown

below

to

get

you

started.

Then,

experiment

with

the

296’s

controls

and

try

different

settings.

You

might

be

surprised

at

what

you

hear.

Best

of

all,

you

may

create

the

perfect

sound

for

your

needs.

Suggested

Uses

For

Each

Control

i

.

as

Mixing

Club

Voice

Keyboard

Guitar

BassGuitar

Drums

Stringal

ete

oon

am

Post

Sound/

Hiss

>

Recommended;

These

sound

sources

can

be

effectively

re-energized

and

enhanced

with

treatment.

Use

to

taste.

Program-Dependent;

Use

when

program

material

requires

treatment.

Make

sure

you

use

only

as

much

treatment

as

needed.

—

Not

Recommended.

The

296

is

generally

not

applicable

for

these

applications.

Hiss

Reduction

Unlike

the

enhancement

“detail”

circuitry

which

enhances

a

signal

and

then

mixes

it

back

with

the

main

signal

at

the

device's

output,

the

296’s

HISS

REDUCTION

is

applied

to

a

signal

before

it

reaches

the

enhancement

circuitry.

(Note

that

the

hiss

reduction

acts

upon

the

entire

pre-processed

signal.)

Therefore,

the

sound

you

hear

is

actually

com-

posed

of

“detailed”

signals

mixed

back

together

with

the

main

audio

path

(which

may

have

been

hiss

reduced).

The

Hiss

Reduction

and

HF

Detail

circuitry

“talk”

to

each

other.

When

the

Hiss

Reduction

is

active,

the

maximum

amount

of

HF

Detail

that

can

be

added

to

the

signal

is

reduced.

This

circuit

is

most

effective

when

used

in

the

tracking

process.

If

your

overall

mix

requires

hiss

reduction,

be

aware

that

with

some

types

of

reverb,

the

reverb

effect

may

be

diminished.

When

possible,

add

reverb

after

treatment

with

a

296.

“Detailing”

Controls

The

HF

DETAIL

and

LF

DETAIL

controls

are

“level”

controls

that

“mix”

the

desired

effect

into

the

original

program

ma-

terial.

Start

with

both

controls

set

fully

counterclockwise

to

defeat

the

effect.

Advance

either

control

to

hear

that

con-

trol’s

effect.

;

HF

Detail

On

mixed

program

material,

the

HF

DETAIL

usually

produces

the

best

sound

if

adjusted

in

the

4

to

6

range;

the

detail

and

definition

of

the

program

material

is

improved,

yet

the

material

does

not

sound

excessively

shrill.

If

HF

DETAIL

processing

is

applied

to

single

tracks,

the

control

must

be

set

to

individual

taste.

Use

your

ears,

and

judge

how

the

processing

affects

the

sound

of

the

track

in

the

context

of

the

entire

mix.

Generally,

if

the

program

material

is

very

bright

to

begin

with,

you

will

hear

little

effect;

if

the

program

material

is

dull,

you

will

hear

very

significant

brightening.

Note

that

for

any

HF

processing

to

occur,

there

must

be

some

high

frequency

signal

content

present

in

the

input

sig-

nal.

The

296

also

works

well

in

treating

final

mixes

which

contain

previously

treated

individual

tracks

because

the

unit

will

only

add

highs

when

they

are

below

the

threshold

determined

by

the

HF

DETAIL

control

setting.

Model

296

The

HF

DETAIL

processing

introduces

surprisingly

little

noise

because

it

intelligently

differentiates

noise

from

other

program

material

and

does

not

enhance

noise.

LF

Detail

The

296’s

LF

DETAIL

is

a

static

EQ

that

uses

a

specially

derived

curve

to

boost

the

lower

bass

frequencies,

while

cut-

ting

mid-bass

mud.

This

“mud”

can

come

from

too

many

bounces

on

analog

multi-track,

limited

EQ

ona

mixing

con-

sole,

improper

miking

techniques,

etc.

The

circuit

provides

a

very

different

type

of

effect

than

the

EQ

on

a

typical

mixer

—

enhancing

and

re-energizing

the

signal’s

low

end.

Don’t

hesitate

to

re-adjust

the

LF

DETAIL

for

different

pro-

gram

input

or

different

EQ

settings

on

your

mixer.

The

LF

DETAIL

can

also

be

used

in

conjunction

with

bass

enhance-

ment

devices

(such

as

a

dbx

120XP

Subharmonic

Synthesizer).

Be

careful

not

to

exceed

your

system's

maximum

level

handling

capability

when

using

extreme

settings.

CONNECTING

THE

296

TO

YOUR

SYSTEM

Basic

Connection

The

296

can

be

used

with

any

line-level

device.

Some

common

examples

include

mixing

consoles,

electronic

musical

mR

ANA

Te

instruments.

natch

have

and

cinnc!

PREAMP,

OUTPUT

MIXER,

_

as

esssstssisnseots

INSERT

SEND

AUDIO

SOURCE

INPUT

|

OUTPUT

CHANNEL

1

INPUT

OUTPUT

a

©

Sw

Va

©)

Se

+TIP

—

RING

=

SLEEVE

USE

ONLY

SPECIFIED

POWER

SUPPLY

296

REAR

PANEL

For

all

connections,

refer

to

the

following

steps:

1.

Turn

Off

all

equipment

before

making

any

connections.

2.

Mount

the

296

in

a

1U

rack

space

(Optional).

MANFACTURED

UNDER

THE

FOLLOWING

US

PATENT

5050217

MIXER,

AMPLIFIER,

INSERT

RETURN

O

©

POWER

18-VAC

The

296

requires

1

rack

space

(height)

and

1

rack

space

(width).

It

can

be

mounted

above

or

below

anything

that

doesn’t

generate

excessive

heat;

it

requires

no

special

ventilation.

Ambient

temperatures

should

not

exceed

113°F

(45°C)

when

equipment

is

powered.

Note: Avoid

over-tightening

of

rackmounting

screws

as

this

could

damage

the

front

panel.

Caution:

Never

remove

the

cover.

There

are

no

user-serviceable

parts

inside.

.

Make

connections

via

4”

phone

jacks

according

to

your

requirements.

When

connecting

your

296,

consider

the

following

patch

points:

a

mixer’s

channel

or

subgroup

inserts

when

using

the

296

on

individual

instruments

or

tracks;

the

mixer’s

main

outputs

when

mixing;

main

outs

of

a

submixer

(i.e.,

keyboard

mixer)

as

the

signal

is

sent

to

main

mixer;

between

a

DAT’s

output

and

an

analog

cassette

input.

When

using

a

chain

of

processors,

the

296

may

be

placed

either

before

or

after

effects

or

dynamics

processors.

We

rec-

ommend

you

use

common

sense

and

experiment

with

different

setups

to

see

which

one

provides

the

best

results

for

your

needs.

For

example,

when

mixing

material

while

adding

reverb,

the

296

usually

works

best

when

placed

CONNECTING

THE

296

TO

YOUR

SYSTEM

AN

TECHNICAL

SUPPORT,

FACTORY

SERVICE

:

dbx

PROJECT

|

before

the

reverb.

4.

Connect

the

AC

power

supply

(shipped

with

the

unit)

to

the

296’s

rear

panel

POWER

jack

and

an

appro-

priate

AC

power

source.

Note:

Check

the

line

voltage

(printed

on

the

power

supply)

and

verify

that

it

is

correct.

TECHNICAL

SUPPORT,

FACTORY

SERVICE

Technical

Support,

Factory

Service

The

296

is

an

all-solid-state

product

with

components

chosen

for

high

performance

and

excellent

reliability.

Each

296

is

tested,

burned

in

and

calibrated

at

the

factory

and

should

require

no

internal

adjustment

of

any

type

throughout

the

WEA

Afar

weate

Var

LU

.

awe

papain

ee

--urned

to

the

factory

only

after

referring

to

the

manual

and

consult-

ing

with

Customer

Service.

Our

phone

number,

Fax

number

and

address

are

listed

on

the

inside

front

cover.

When

you

contact

dbx

Customer

Service,

be

prepared

to

accurately

describe

the

problem.

Know

the

serial

number

of

your

unit

—

this

is

printed

ona

sticker

attached

to

the

rear

panel.

Note:

Please

refer

to

the

terms

of

your

Limited

Two-Year

Standard

Warranty,

which

extends

to

the

first

end-user.

Af-

ter

the

warranty

expires,

a

reasonable

charge

will

be

made

for

parts,

labor,

and

packing

if

you

choose

to

use

the

fac-

tory

service

facility.

In

all

cases,

you

are

responsible

for

shipping

charges

to

the

factory.

dbx

will

pay

return

shipping

if

the

unit

is

still

under

warranty.

Shipping

Instructions:

Use

the

original

packing

material

if

it

is

available.

Mark

the

package

with

the

name

of

the

shipper,

and

with

these

words

in

red:

“DELICATE

INSTRUMENT,

FRAGILE

Insure

the

package

properly.

Ship

prepaid,

not

collect.

Do

not

ship

parcel

post.

Registration

Card

and

User

Feedback

We

appreciate

your

feedback.

After

you

have

an

opportunity

to

use

your

new

296,

please

complete

the

Registration

Card

(located

in

the

back

of

this

manual),

detach

it

from

the

manual

and

return

it.

SCHEMATICS

Schematics

for

the

296

are

provided

in

the

296

Service

Manual,

available

from

our

Customer

Service

Department

for

a

nominal

fee.

Model

296

Sao

ale

wale)

ts

SPECIFICATIONS

Note:

OdBu

=

0.775Vrms

Specifications

are

subject

to

change.

Frequency

Response

20Hz

-

20kHz,

+0dB,

—1.0dB

5Hz

-

40kHz,

+0dB,

—3.0dB;

Referenced

to

IkHz

Input

(Balanced

or

Unbalanced)

Impedance

100kQ

Max

Level

+20dBu

Gain

Adjustable;

—-o

to

+14dB

Output

Impedance

47Q

Max

Level

+20dBu

into

600Q

(Unbalanced)

Distortion

+

Noise

<0.1%

(Typically

0.02%)

20Hz

-

20kHz,

0dBu

Output

Noise

<-80dBu.

Unweighted.

20H7

-

20kH7

Bandwidth.

>100dB,

Unweighted

Dynamic

Range

<-90dBu

@

IkHz

>40dB

(Any

Frequency)

Input

Gain,

Hiss

Reduction,

LF

Detail,

HF

Detail,

Bypass

AC

provided

by

external

power

supply

included

with

unit.

0°C

to

45°C

(32°F

to

113°F)

Power

Requirements

Operating

Temperature

Dimensions

(H

x

D

x

W)

1.75”

x

4”

x

19”

(4.45cm

x

10.16cm

x

48.5cm)

Rack

Space

1

Rack

Unit

.

WARRANTY

United

States

Warranty

Limited

Warranty

This

warranty

is

valid

only

for

the

original

purchaser

and

only

in

the

United

States.

We

warrant

dbx

products

against

defects

in

material

or

workmanship

for

a

period

of

two

years

from

the

date

of

original

purchase

for

use,

and

agree

to

repair

or,

at

our

option,

replace

any

defective

item,

except

external

power

transformers,

without

charge

for

either

parts

or

labor.

IMPORTANT:

This

warranty

does

not

cover

damage

resulting

from

accident,

misuse

or

abuse,

lack

of

reasonable

care,

the

affixing

of

any

attachment

not

provided

with

the

product,

loss

of

parts,

or

connecting

the

product

to

any

but

the

specified

re-

ceptacles.

This

warranty

is

void

unless

service

or

repairs

are

performed

by

an

authorized

service

center.

No

responsibility

is

assumed

for

any

special,

incidental

or

consequential

damages.

However,

the

limitation

of

any

right

or

remedy

shall

not

be

ef-

fective

where

such

is

prohibited

or

restricted

by

law.

Simpiy

tane

or

sip

youl

Wor

prouuct

prepaid

to

Our

service

ueparument.

be

sure

LO

include

your

saics

slip

as

p.

Ny

of

pur-

chase

date.

(We

will

not

repair

transit

damage

under

the

no-charge

terms

of

this

warranty.)

dbx

will

pay

return

shipping.

NOTE:

No

other

warranty,

written

or

oral

is

authorized

for

dbx

products.

This

warranty

gives

you

specific

legal

rights,

and

you

may

also

have

other

rights

which

vary

from

state

to

state.

Some

states

do

not

allow

the

exclusion

of

limitations

of

incidental

or

consequential

damages

or

limitatian=

~-

'

sw

long

an

implied

war-

rant

HA

pA

than

ab

BM

ep

py

re

pee

International

Warranty

Bedingungen

dbx

gewahrt

2

jahre

Garantie

ab

Verkaufsdatum

auf

nachweisbare

Material-

und

Fabrikationsfehler

(ausgenommen

externe

Netzgerite).

Der

Garantieanspruch

erlischt

bei

unsachgemi8er

Handhabung,

elecktrischer

oder

mechanischer

Besch-

hadigung

durch

miBbrauchliche

Anwendung

sowie

bei

unsachgemaBer

Reparatur

durch

nichtautorisierte

Werkstatten.

Zur

Inanspruchnahme

der

angefiirten

Garantieleistung

ist

der

Nachweis

da

Kaufes

(ordentliche

Rechnung

da

Verkdufers

erfor-

derlich).

Transport-und

Portospesen,

welche

aus

der

Ei

nsendung

des

Gerdtes

zur

Garantiereparatur

erwachsen,

kénnen

von

dbx

nicht

tibernommen

werden,

das

Risiko

der

Zusendung

trigt

der

Kunde.

Die

Garantie

wird

ausschlieBblich

fiir

den

ur-

spriinglichen

Kaufer

geleistet.

Warranty

Conditions

dbx

warrants

dbx

products

(except

for

external

power

transformers)

against

evident

defects

in

material

and

workmanship

for

a

period

of

two

years

from

the

date

of

original

purchase

for

use.

This

warranty

does

not

cover

damage

resulting

from

misuse

or

abuse,

or

lack

of

reasonable

care,

and

inadequate

repairs

performed

by

unauthorized

service

centers.

Performance

of

re-

pairs

or

replacements

under

this

warranty

is

subject

to

proof

of

purchase.

Shipment

of

the

defective

item

for

repair

under

this

warranty

will

be

at

the

customer’s

own

risk

and

expense.

This

warranty

is

valid

for

the

original

purchaser

only.

Conditions

de

garantie

Pour

toute

mise

en

cevre

de

garantie

ou

de

service

aprés-vente,

vous

devez

vous

adresser

A

votre

revendeur.

Notre

société

as-

sure

au

revendeur

le

remplacement

gratuit

des

piéces

détachées

nécessaires

A

la

réparation

pendant

deux

ans,

a

partir

de

la

date

de

votre

facture,

sauf

en

cas

de

non

respect

des

prescritions

d’utilsation

ou

lorsqu’

une

cause

étrangére

a

l’appareil

est

responsable

de

la

défaillance.

Cette

guarantie

n’est

pas

applique

pour

les

transformers

external.

Les

dispositions

stipulées

ci-

dessus

ne

sont

pas

exclusives

du

bénéfice

au

profit

de

l’acheteur

de

la

garantie

légale

pour

défaut

et

vice

cachés

qui

s’appli-

que,

en

tout

état

de

cause,

dans

les

conditions

des

articles

1641

et

suivants

du

Code

Civil.

Condizioni

di

garanzia

L’dbx

presta

garanzia

per

due

anni

dalla

data

della

vendita

per

difetti

di

materiale

e

fabbriccazione

che

possono

essere

provati.

II

diritto

di

garanzia

cessa

in

caso

di

manipolazione

impropria,

danneggiamento

electtrico

o

meccanico

attraverso

i’uso

non

approriato

e

riparazione

inesperta

eseguita

da

officine

non

autorizzate.

E’

indispensabile,

per

la

prestazione

della

garanzia,

presentare

la

carta di

garanzia

debitamente

riempita

dal

rivenditore

autorizzato

e

la

fattura

di

vendita.

Spese

di

tras-

porto

che

risultano

dall’invio

dell’implanto

per

la

riparazione

in

garanzia,

non

possono

essere

assunte

dall’dbx

i’invio

é

a

ris-

chio

e

pericolo

del

cliente.

La

garanzia

verra

data

solo

al

primo

acquirente.

Condiciones

de

garantia

dbx

concede

dos

afios

de

garantia

(menos

fuentes

de

poder

exteriores)

por

defectos

comprobables

de

material.

o

de

fabrica-

cidn

a

partir

de

la

fecha

de

venta.

El

derecho

de

garantia

caduca

en

caso

de

procederse

a

uno

manipulaci6n

inadecuada

en

caso

de

producirse

dafio

electrico

0

mecdnico

por

uso

indebido,

asi

como

también

en

caso

de

reparaciones

inadecuados

por

parte

de

talleres

no

autorizados.

La

prestaci6n

de

la

garantia

estd

su

jeta

a

la

presentacién

de

la

factura

de

compra.

dbx

no

asume

ningdn

gasto

de

transporte

o

correo

incurrido

por

el

envio

del

aparato

defectuoso

para

la

reparaci6n

bajo

garantia;

el

tiesgo

del

envio

ha

de

ser

asumido

por

el

cliente.

La

garantia

se

concede

tinica

y

exclusivamente

al

comprador

original.

CAUTION

AVIS

RISQUE

DE

CHOC

RISK

OF

ELECTRIC

SHOCK

ELECTRIQUE

DO

NOT

OPEN

NE

PAS

OUVRIR

DO

NOT

EXPOSE

TO

RAIN

OR

MOISTURE

CAUTION:

To

REDUCE

THE

RISK

OF

ELECTRICAL

SHOCK,

DO

NOT

REMOVE

COVER

(OR

BACK).

NO

USER

SERVICEABLE

PARTS

INSIDE.

REFER

SERVICING

TO

QUALIFIED

SERVICE

PERSONNEL.

WARNING:

TO

REDUCE

THE

RISK

OF

FIRE

OR

ELECTRICAL

SHOCK,

DO

NOT

EXPOSE

THIS

APPLIANCE

TO

RAIN

OR

MOISTURE.

This

symbol,

wherever

it

appears,

This

symbol,

wherever

it

appears,

alerts

you

to

the

presence

of

uninsulated

alerts

you

to

important

operating

dangerous

voltage

inside

the

enclosure

—

voltage

and

maintenance

instructions

in

that

may

be

sufficient

to

constitute

a

risk

of

shock.

the

accompanying

literature.

Read

the

manual.

Manufactured

under

one

or

more

of

the

following

U.S.

patents:

3,377,792;

3,681,618;

3,714,462;

3,789,143;

4,097,767;

4,329,598;

4,403,199;

4,409,500;

4,425,551; 4,473,795,

5,050,217.

Other

patents

pending.

This

dbx-branded

product

has

been

manufactured

in

the

United

States

of

America.

dbx

is

a

registered

trademark

of

Carillon

Electronics

Corporation.

This

manual

is

part

number

96048-000-03C

©

Copyright

1993

by

dbx

Professional

Products

|

2

0UCUt~“:Cs~CS*™YS

|

il

dbx

Professional

Products

+t,

San

Lear

17

*

\4ASTT

USA

stew

SIVA

UL

GgpDx

Telephone

(1)

510/351-3500

Fax:

(1)

510/351-1001

Hi

A

Harman

international

Company

IMPORTANT

SAFETY

INSTRUCTIONS

All

the

safety

and

operating

instructions

should

be

read

before

the

appliance

is

operated.

Retain

Instructions:

The

safety

and

operation

instructions

should

be

retained

for

future

reference.

Heed

Warnings:

All

warnings

on

the

appliance

and

in

the

operating

instructions

should

be

adhered

to.

Follow

Instructions:

All

operation

and

user

instructions

should

be

followed.

Water

and

Moisture:

The

appliance

should

not

be

used

near

water

(e.g.,

near

a

bathtub,

washbow/,

kitchen

sink,

laundry

tub,

in

a

wet

basement,

or

near

a

swimming

pool,

etc.).

Ventilation:

The

appliance

should

be

situated

so

that

its

location

or

position

does

not

interfere

with

its

proper

ventilation.

For

example,

the

appliance

should

not

be

situated

on

a

bed,

sofa,

rug,

or

similar

surface

that

may

block

the

ventilation

openings;

or,

placed

in

a

built-in

installation,

such

as

a

bookcase

or

cabinet

that

may

impede

the

flow

of

air

through

the

ventilation

openings.

Heat:

The

appliance

should

be

situated

away

from

heat

sources

such

as

radiators,

heat

registers,

stoves,

or

other

appliances

(including

amplifiers)

that

produce

heat.

Power

Sources:

The

appliance

should

be

connected

to

a

power

supply

only

of

the

type

described

in

the

operating

instructions

or

as

martad

an

the

annlianca

Grounding

or

Polarization:

Precautions

should

be

taken

so

that

the

grounding

or

polarization

means

of

an

appliance

is

not

defeated.

Power-Cord

Protection:

Power-supply

cords

should

be

routed

so

that

they

are

not

likely

to

be

walked

on

or

pinched

by

items

placed

upon

or

against

them,

paying

particular

attention

to

cords

at

plugs,

convenience

receptacles,

and

the

point

where

they

exit

from

the

appliance.

Cleaning:

The

appliance

should

be

cleaned

only

as

recommended

by

the

manufacturer.

Non-use

Periods:

The

power

cord

of

the

appliance

should

be

unplugged

from

the

outlet

when

left

unused

for

a

long

period

of

time.

Object

and

Liquid

Entry:

Care

should

be

taken

so

that

objects

do

not

fall

and

liquids

are

not

spilled

into

the

enclosure

‘hrough

openings.

Damage

Requiring

Service:

The

appliance

should

be

serviced

by

qualified

service

personnel

when:

The

power

supply

cord

or

the

plug

has

been

damaged;

or

Objects

have

fallen,

or

liquid

has

been

spilled

into

the

appliance;

or

The

appliance

has

been

exposed

to

rain;

or

The

appliance

does

not

appear

to

operate

normally

or

exhibits

a

marked

change

in

performance;

or

The

appliance

has

been

dropped,

or

the

enclosure

damaged.

Servicing:

The

user

should

not

attempt

to

service

the

appliance

beyond

that

described

in

the

operating

instructions.

All

other

servicing

should

be

referred

to

qualified

service

personnel.

The

Appliance

should

be

used

only

with

a

cart

or

stand

that

is

recommended

by

the

manufacturer.

Safety

Instructions

(European)

Notice

For

U.K.

Customers

If

Your

Unit

ls

Equipped

With

A

Power

Cord.

WARNING:

THIS

APPLIANCE

MUST

BE

EARTHED.

The

cores

in

the

mains

lead

are

coloured

in

accordance

with

the

following

code:

GREEN

and

YELLOW

-

Earth

BLUE

-

Neutral

BROWN

-

Live

As

colours

of

the

cores

in

the

mains

lead

of

this

appliance

may

not

correspond

with

the

coloured

markings

identifying

the

terminals

in

your

plug,

proceed

as

follows:

The

core

which

is

coloured

green

and

yellow

must

be

connected

to

the

terminal

in

the

plug

marked

with

the

letter

E,

or

with

the

earth

symbol,

(+),

or

coloured

green,

or

green

and

yellow.

The

core

which

is

coloured

blue

must

be

connected

to

the

terminal

marked

N

or

coloured

black.

The

core

which

is

coloured

brown

must

be

connected

to

the

terminal

marked

L

or

coloured

red.

The

power

cord

is

terminated

in

a

CEE7/7

plug

(Continental

Europe).

The

green/yellow

wire

is

connected

directly

to

the

unit's

chassis.

If

you

need

to

change

the

plug

and

if

you

are

qualified

to

do

so,

refer

to

the

table

below.

WARNING:

If

the

ground

is

defeated,

certain

fault

conditions

in

the

unit

or

in

the

system

to

which

it

is

connected

can

result

in

full

line

voltage

between

chassis

and

earth

ground.

Severe

injury

or

death

can

then

result

if

the

chassis

and

earth

ground

are

touched

simultaneously.

CONDUCTOR

WIRE

COLOR

Normal

Alt

Le

LIVE

BROWN

BLACK

N

|

NEUTRAL

BLUE

WHITE

E

|

EARTH

GND

|GREEN-YELLOW

GREEN

AC

Power

Cord

Color

Coding