BBE 802 Bedienungsanleitung

Andere Handbücher für 802

1

Inhaltsverzeichnis

Andere BBE Verstärker Handbücher

BBE

BBE ACOUSTIMAX Bedienungsanleitung

BBE

BBE BMAX Bedienungsanleitung

BBE

BBE 381 Bedienungsanleitung

BBE

BBE BMAX-t Bedienungsanleitung

BBE

BBE 862 Bedienungsanleitung

BBE

BBE Boosta Grande Bedienungsanleitung

BBE

BBE 383 Bedienungsanleitung

BBE

BBE Freq Boost Bedienungsanleitung

BBE

BBE 422 Bedienungsanleitung

BBE

BBE 651 Bedienungsanleitung

BBE

BBE 386 Bedienungsanleitung

BBE

BBE 383 Bedienungsanleitung

Beliebte Verstärker Handbücher anderer Marken

ASTRO

ASTRO HVO V40 P Bedienungsanleitung

Marantz

Marantz SUPERSCOPE BLA-545 Montageanleitung

NAD

NAD CI980 Bedienungsanleitung

Technics

Technics SE-CH770 Bedienungsanleitung

Harman Kardon

Harman Kardon HK6300 Bedienungsanleitung

NAD

NAD T975 Bedienungsanleitung

McIntosh

McIntosh MA6850 Bedienungsanleitung

Electro-Harmonix

Electro-Harmonix ENGLISH MUFF’N Bedienungsanleitung

Viatron

Viatron Autrix Bedienungsanleitung

GME

GME GA9800 Bedienungsanleitung

Atlas

Atlas CP700 Bedienungsanleitung

Roland

Roland KC-1000 Bedienungsanleitung

Pyle

Pyle PFMRA350BW Bedienungsanleitung

Advantage

Advantage S-250 Bedienungsanleitung

IRT Electronics

IRT Electronics DVA-3007 Bedienungsanleitung

Dimavery

Dimavery BA-100 Series Bedienungsanleitung

Sony

Sony XM-S400D Bedienungsanleitung

Schertler

Schertler ROY X Bedienungsanleitung

Sound

Inc,

MODEL

802

USER

MANUAL

5500

Bolsa

Ave,.

Suite

245

Huntington

Beach.

CA

92649,

(714)

897-6766

in

USA

(800)

233-8346.

in

CA

(800)

558-3963

Important

Safeguards

CAUTION

RISK

OF

ELECTRIC

SHOCK

DO

NOT

OPEN

CAUTION:

TO

REDUCE

THE

RISK

OF

ELECTRIC

SHOCK,

DO

NOT

REMOVE

COVER

(OR

BACK).

NO

USER-SERVICEABLE

PARTS

INSIDE.

REFER

SERVICING

TO

QUALIFIED

SERVICE

PERSONNEL.

WARNING

A

To

prevent

fire

or

shock

hazard,

do

not

expose

the

unit

to

rain

or

moisture.

ATTENTION:

RISQUE

DE

CHOC

ELECTRIC-

NE

PAS

OUVRIR.

The

lightning

flash

with

arrowhead

symbol,

within

an

equilateral

triangle,

is

intended

to

alert

the

user

to

the

presence

of

uninsulated

"dangerous

voltage"

within

the

product’s

enclosure

that

may

be

of

sufficient

magnitude

to

constitute

a

risk

of

electric

shock

to

persons.

The

exclamation

point,

within

a

equilateral

triangle

is

intended

to

alert

the

user

to

the

presence

of

important

operating

and

maintenance

(servicing)

instructions

in

the

literature

accompanying

the

appliance.

For

your

protection,

please

read

these

safety

instructions

completely

before

operating

the

appliance,

and

keep

this

manual

for

future

reference.

Carefully

observe

all

warnings,

precautions

and

instructions

on

the

appliance

and

described

in

the

operating

instructions

supplied

with

the

appliance.

INSTALLATION-

Water

and

Moisture

-

Do

not

install

the

appliance

near

water:

for

example,

near

a

bathtub,

washbowl,

kitchen

sink,

laundry

tub.

in

a

wet

basement,

or

near

a

swimming

pool.

Heat

-

Do

not

install

the

appliance

near

sources

of

heat

such

as

radiators,

heat

regis¬

ters,

stoves,

or

other

appliances

that

pro¬

duce

heat.

Ventilation

-

Situate

the

product

so

its

location

or

position

does

not

interfere

with

its

proper

ventilation.

For

example,

you

should

not

place

the

product

on

a

bed,

sofa,

rug.

or

similar

surface

that

might

block

the

vent

openings,

or

placed

in

a

built-in

installation,

such

as

a

bookcase

or

cabinet

that

might

impede

the

flow

of

air

through

the

ventilation

openings.

Wall

or

Ceiling

Mounting

-

If

your

appliance

can

be

mounted

to

a

wali

or

ceil¬

ing,

mount

it

only

as

recommended.

USE

Power

Source

-

Connect

the

appliance

to

a

power

supply

only

of

the

type

described

in

the

operating

instructions

or

as

marked

on

the

appliance.

Power-Cord

Protection

-

Route

the

power

cord

so

that

it

is

not

likely

to

be

walked

on

or

pinched

by

having

objects

placed

on

it,

paying

particular

attention

to

the

plugs,

receptacles,

and

the

point

where

the

cord

exits

from

the

appliance.

SERVICE

-

Grounding

or

Polarization

-

Do

not

defeat

the

grounding

or

polarization

feature

of

the

AC

power

cord.

If

your

AC

receptacle

will

not

accept

the

power

cord

plug,

contact

your

electrician

to

install

a

proper

AC

receptacle.

When

not

in

use

-

unplug

the

power

cord

of

the

appliance

from

the

outlet

when

left

unused

for

a

long

period

of

time.

To

disconnect

the

cord,

pull

it

out

by

grasping

the

plug.

Never

pull

the

plug

out

by

the

cord.

AC

Receptacle

-

Check

to

make

sure

that

the

AC

receptacle

holds

the

power

cord

plug

firmly

and

securely.

If

the

power

cord

plug

is

loose,

contact

your

electrician

to

replace

the

defective

and

unsafe

AC

Foreign

Objects

-

Be

careful

that

foreign

objects

and

liquids

do

not

enter

the

enclosure

through

openings,

Unplug

the

appliance

from

the

wall

outlet

and

consult

qualified

service

personnel

when:

*

the

power

cord

or

the

plug

has

been

damaged.

*

a

solid

object

or

liquid

has

fallen

into

the

cabinet.

the

appliance

has

been

exposed

to

rain

or

moisture.

the

appliance

does

not

appear

to

operate

normally

or

exhibits

a

marked

change

in

performance.

the

appliance

has

been

dropped,

or

the

enclosure

damaged.

Do

not

attempt

to

service

the

appliance

beyond

that

described

in

the

operating

instructions.

For

all

other

servicing,

refer

to

qualified

service

personnel

only.

Congratulations!

Thank

you

for

buying

the

BBE

Model

802

Audio

Processor

You

now

own

a

very

unique

signal

processing

device

with

no

other

equal

in

the

audio

world

today.

Whether

you

purchased

the

BBE

802

for

recording

studio,

live

concert,

playback

or

industrial

use,

you

will

find

the

unit's

rugged

construction

and

careful

electronic

design

a

welcome

addition

to

your

audio

system.

This

manual

will

help

you

use

the

BBE

802

more

effectively

and

in

ways

of

which

you

may

not

be

aware.

Review

of

the

information

contained

in

this

owner’s

manual

will

answer

most

of

the

common

questions

that

our

service

department

receives.

But

if

you

still

have

questions,

please

feel

free

to

call

tolhfree

(in

USA)

1-800-233-8346

or

(in

CA)

1-800-558-3963.

The

BBE^”

Process

—

»What

Is

It?”

Loudspeakers

have

difficulty

dealing

with

the

electronic

signals

supplied

by

an

amplifier

These

difficulties

cause

such

major

phase

and

amplitude

distortion

that

the

sound

reproduced

by

a

speaker

differs

significantly

from

the

sound

produced

by

the

original

source.

In

the

past,

these

problems

have

proved

unsoivable

and

were

thus

relegated

to

a

position

of

secondary

importance

in

audio

system

design.

However,

phase

and

amplitude

integrity

is

essential

to

accurate

sound

reproduction.

Research

shows

that

the

information

which

the

listener

translates

into

the

recognizable

characteristics

of

a

live

performance

are

intimately

tied

into

the

complex

time

and

amplitude

relationships

between

the

fundamental

and

harmonic

components

of

a

given

musical

note

or

sound.

These

relationships

define

a

sound’s

“sound”.

When

these

complex

relationships

pass

through

a

speaker,

the

proper

order

is

lost.

The

higher

frequencies

are

delayed.

A

lower

order

frequency

may

reach

the

listener’s

ear

first

or

perhaps

simultaneously

with

that

of

a

higher

frequency,

in

some

cases,

the

fundamental

components

may

be

so

time-shifted

that

they

can

reach

the

listener’s

ear

ahead

of

some

or

all

the

harmonic

components.

This

change

in

the

phase

and

amplitude

relationship

of

the

harmonic

and

fundamental

frequencies

is

technically

called

“envelope

distortion”.

The

listener

perceives

this

loss

of

sound

integrity

in

the

reproduced

sound

as

“muddy”

and

“smeared".

In

the

extreme,

it

can

become

difficult

to

tell

the

difference

among

musical

instruments,

for

example,

an

oboe

and

a

clarinet.

BBE

Sound,

Inc.

conducted

extensive

studies

of

numerous

speaker

systems

over

a

ten

year

period.

With

this

knowledge

it

became

possible

to

develop

an

ideal

speaker

and

to

distill

the

corrections

necessary

to

return

the

fundamental

and

harmonic

frequency

structures

to

their

correct

order.

While

there

are

differences

among

various

speaker

designs

in

the

magnitude

of

their

needs

for

correction,

the

overall

pattern

of

correction

needed

is

remarkably

consistent.

The

BBE'“

process

is

so

unique

that

42

patents

have

been

awarded

by

the

U.S.

Patent

Office.

"How

it

Works”

The

BBE^"

process

imparts

a

pre-determined

phase

correction

to

the

high

frequencies

where

most

harmonic

information

exists.

This

is

done

by

breaking

the

signal

into

three

sub-bands

or

groups;

the

low

frequency

group

which

is

crossed

over

at

150Hz,

the

mid-range

group

which

is

crossed

over

at

1200Hz

and

the

high

frequency

group

that

handles

everything

else

up

to

20kHz.

The

low

group

is

delayed

about

2.5

ms

(milliseconds)

via

group

delay

within

a

passive

low

pass

filter.

The

front

pane!

control

allows

for

either

a

flat

response

or

a

boost

of

the

lows

at

50Hz.

The

mid-range

group

is

delayed

only

about

0.5

ms

and

passes

through

an

active

band-pass

filter.

The

mid

group

is

used

as

a

point

of

reference

to

make

dynamic

amplitude

corrections

in

both

positive

and

negative

directions

to

the

high

frequency

group

which

has

been

passed

through

a

high

quality

VGA

(Voltage

Controlled

Amplifier).

Two

RMS

average

toudness

detectors

continuously

monitor

both

the

mid-range

and

high

frequencies

to

compare

the

relative

harmonic

content

levels

of

the

two

bands

and

apply

the

appropriate

amount

of

control

voltage

to

the

VGA,

thereby

determining

the

amount

of

high

frequency

harmonic

content

present

at

the

final

output

of

the

BBE’"

processor.

Product

Description

The

BBE

802

is

an

intelligent

audio

processor

designed

to

solve

a

series

of

complex

problems

as

described

in

the

previous

section.

It

is,

however,

very

simple

to

set

up

and

operate

and

once

installed

will

function

flawlessly

without

further

attention.

It

is

a

dual

channel,

rack-mountable

device

for

use

in

+4dBu

balanced

line

level

applications,

such

as

those

found

in

recording

studios,

large

concert

systems

and

industrial

audio

applications.

The

BBE

802

takes

up

one

EiA

standard

rack

space

of

19

inches

width

and

1.75

inches

height

(1U).

There

are

two

completely

separate

channels

to

allow

for

either

full

stereo

program

or

two

independent

mono

channels,

such

as

separate

processing

for

a

snare

drum

tape

track

in

channel

A

and

a

synthesized

bass

track

in

channel

B.

BBE"*

applies

different

phase

correction

algorithms

to

three

separate

frequency

bands.

A

variable

front

panel

control

for

each

channel

allows

the

user

to

adjust

the

amount

of

process

desired.

Using

Your

New

BBE

802

BBE

™

is

a

process

to

be

added

before

all

other

mixing

of

reverb,

special

effects

or

equalization.

The

BBE

802

should

be

used

to

increase

the

clarity

and

intelligibility

of

the

total

finished

mix

or

an

individual

track,

t.e.:

vocal

or

instrument.

Unlike

many

aural

exciters

and

equalizers,

the

BBE

802

will

not

add

any

extra

noise

or

harmonics

to

the

sound.

Thus,

there

will

be

no

future

problems

in

duplication

or

mastering

caused

by

aberrant

high

frequency

distortion.

Since

the

BBE

™

technology

is

a

single-stage

process

there

is

no

need

for

encoding

and

decoding.

Always

“A-B”

the

processed

to

unprocessed

sound

with

the

process

in/out

switch

to

adjust

the

amount

of

processing

required.

Things

To

Remember

The

BBE

802

is

designed

to

work

in

a

line-level

environment.

The

program

average

levels

feeding

the

input

of

the

processor

should

be

around

“0”

VU

or

anywhere

from

-20dBu

to

-i-8dBu.

The

BBE

802

drives

load

impedances

down

to

600

Ohms

and

supplies

up

to

+24dBu

levels

at

which

point

it

will

clip.

The

BBE

802

accepts

both

unbalanced

and

balanced

inputs

and

supplies

floating

outputs

on

the

XLR

connections.

The

“tip”

is

hot

on

the

1/4

inch

jacks

and

the

inputs

and

outputs

are

transformer

isolated.

If

the

program

material

has

excessive

background

noise,

the

noise

may

be

modulated

with

the

program.

In

this

case,

an

equalizer

or

other

type

of

noise

reduction

system

may

be

inserted

in

front

of

the

BBE

802

to

roll

off

the

noise

first.

Post-

amplification

of

the

BBE

802

is

not

necessary

and

not

recommended,

as

the

BBE

802

will

drive

any

other

device

in

the

studio

audio

chain

to

full

level

directly.

This

assumes

that

the

BBE

802

is

operating

in

the

aforementioned

fashion

with

line-levels.

Applications

Various

applications

of

the

process

include:

Recording

Studios

The

BBE

802

is

designed

for

use

in

professional

studios

to

restore

iiveness,

clarity,

and

improve

the

transient

response

of

individual

tracks

or

entire

two

channel

mixes.

The

patented

BBE

™

process

works

especially

well

on

digital

drum

machines,

on

synthesized

brass

patches

and

on

vocals

where

extreme

equalization

would

cause

stridency

and

distortion

at

peak

levels.

The

BBE

802

works

as

a

playback

processor

when

inserted

between

the

tape

track

output

and

the

console

line

input.

Conversely,

when

recording

with

the

BBE

802,

the

output

of

the

console

feeds

directly

to

the

input

of

the

BBE

802.

The

BBE

802’s

output

then

feeds

the

tape

recorder’s

input.

The

BBE

802

saves

poorly

recorded

or

overcompressed

tape

tracks

and

brightens

low-level

instruments

without

bringing

up

a

lot

of

noise

in

the

process.

Figure

1

shows

the

BBE

802

in

a

typical

recording

studio

application

where

the

recording

buss

output

to

the

tape

track

is

interrupted

and

the

BBE

802

inserted.

Live

Concert

Systems

The

BBE

802

adds

a

much

needed

clarity

to

the

monitor

mix

without

shrillness.

The

two

independent

channels

are

ideal

for

two

monitor

mixes

when

one

mix

requires

more

processing

level

than

the

other.

Figure

2

shows

the

BBE

802

in

a

typical

concert

sound

system

where

channel

A

of

the

BBE

802

is

used

for

the

main

house

mix

feed

and

channel

B

is

used

for

the

monitor

mix

feed

when

two

different

amounts

of

processing

are

required

along

with

the

two

different

mixes.

The

BBE

802

unit

should

be

placed

before

any

house

graphic

equalizers.

All

pink

noise

checks

should

be

made

with

the

BBE

™

unit

switched

“out"

to

obtain

the

desired

house

curve.

The

BBE

™

process

can

then

be

dialed

in

to

suit

the

music

production.

Extreme

console

equalization

normally

used

during

live

performance

may

be

reduced

due

to

the

dynamic

enhancement

effect

of

the

BBE

802.

The

BBE

802

may

be

inserted

in

many

places

within

the

console’s

signal

path

to

achieve

specialized

results.

In

the

case

of

non-VCA

sub-groups,

the

BBE

802

is

inserted

between

“buss

out"

and

“sub-group

fader

in"

for

the

application

of

the

BBE

™

process

to

a

whole

group

of

drum

microphones,

for

example.

If

the

BBE

™

process

is

to

be

used

on

only

one

microphone

source,

then

the

BBE

802

is

inserted

in

the

normal

“insert

send

and

receive"

points

exactly

like

a

limiter

or

equalizer

is

patched.

If

the

RA.

mixer

does

not

have

“insert

points”

or

if

the

mixer

is

a

powered-type

unit

without

any

way

of

interrupting

the

signal

path

before

the

power

amplifier

then

the

BBE

401

should

be

used.

The

BBE

401

accepts

low-levels

from

micro¬

phones,

etc.

and

interfaces

directly

to

the

PA.

mixer.

Audio

Cartridge/Cassette

Copies

Since

the

BBE

™

technology

is

a

single-stage

process

without

the

need

for

encoding

and

decoding,

the

stereo

BBE

802

is

inserted

between

the

master

two-track

and

the

audio

cartridge

or

cassette

recorder

for

crisper

punchier

copies.

Figure

3

shows

the

BBE

802

in

real

time

cartridge

or

cassette

copy

mode.

in

the

case

of

high-speed

cassette

duplication,

the

BBE

™

process

must

be

applied

when

the

equalized

cassette

master

dub

is

made

at

the

mastering

studio.

See

Mastering.

Mastering

The

BBE

802

is

used

in

the

mastering

of

vinyl

records,

audio

cassettes

and

digital

compact

discs

to

dramatically

increase

the

clarity

of

the

program

material.

Mastering

engineers

generally

use

much

less

equalization

when

the

BBE

802

is

used.

Oncle

again,

the

BBE

802

is

inserted

between

the

master

tape

reproducer

and

the

mastering

console.

Industrial

The

BBE

802

greatly

improves

intelligibitty

in

speech

or

music

programs

by

improving

transient

playback

response.

This

makes

the

BBE

802

a

natural

for

public

address,

intercom

or

wide

area

dispersion

of

pre-recorded

music

or

voice

announcements

over

an

existing

old

and

dull

loudspeaker

system.

Figure

4

shows

the

BBE

802

inserted

between

the

telephone

matching

adapter

and

the

auxiliary

input

to

the

public

address

intercom

amplifier.

Since

the

BBE

802

is

a

line-

level

operated

device,

plugging

a

microphone

directly

into

the

unit

will

not

work.

If

the

existing

RA.

amplifier

has

no

provision

for

auxiliary

input,

then

the

BBE

401

unit

should

be

used.

The

BBE

401

unit

accepts

a

microphone

directly

and

then

interfaces

with

an

existing

RA.

amplifier

without

costly

on-site

modifications.

Broadcast

The

BBE

802

is

perfect

for

“on

the

air”

audio

enhancement

when

inserted

after

the

studio

mixing

console

before

the

final

peak

limiters.

Figure

5

shows

a

typical

BBE

802

installation

at

the

broadcast

station.

Usually

a

separate

BBE

802

would

be

integrated

into

each

engineer’s

booth

adjacent

to

the

mixing

console.

The

BBE

B02

reduces

the

high

and

mid

frequency

smear

for

clearer,

less

strident

high

end

and

more

distinct

mid

range.

The

BBE

802

is

also

used

in

the

production

of

music

and

commercial

tape

cartridges

to

make

cleaner

and

crisper

copies.

Movie

Theater

The

BBE

™

process

brings

film

and

sound

tracks

which

feature

a

wide

range

of

special

effects

to

dramatic

life.

It

also

adds

sparkle

and

intelligibility

to

dull

and

muddy

optical

film

sound.

Both

music

and

dialogue

take

on

a

fresh,

bright

character

when

processed

through

the

BBE

802.

Figure

6

shows

the

BBE

802

in

a

typical

movie

theater

application

inserted

after

the

Dolby

Surround

Processor®

directly

in

front

of

the

theater’s

speaker

power

amplifiers.

A

four

channel

theater

requires

two

BBE

802s

while

six

channel

houses

requires

three

BBE

802s.The

“set

and

forget”

adjustments

on

the

BBE

802

mean

the

theater

operator

does

not

need

to

rely

on

the

projectionist

for

proper

BBE'“

operation.

Disco/Club

Figure

7

shows

the

BBE

802

in

a

disco

club

application.

Usually,

the

same

rules

mentioned

in

live

concert

systems

apply

but

on

a

smaller

scale.

The

ideal

place

to

insert

the

BBE

802

is

between

the

“main

program

buss

out”

and

the

master

volume

control.

Not

all

disco

club

mixers

have

this

facility,

so

the

next

best

place

is

at

the

power

amplifier.

The

output

of

the

mixer

feeds

the

BBE

802’s

input

and

the

output

of

the

BBE"''

feeds

the

power

amplifier.

The

BBE

802

unit

is

set

to

accommodate

the

loudest

levels

used.

The

Controls

Operation

of

the

BBE

802

is

quite

simple

due

to

the

sophisticated

“smart"

circuitry

within

the

unit.

Below

are

the

names

and

purposes

of

each

control

on

the

BBE

802.

Process

Control

The

process

control

regulates

the

amount

of

amplitude

compensation

as

indicated

by

the

LED

stack.

Advancing

the

knob

clockwise

increases

the

amount

of

the

BBE

™

process.

Once

set,

the

BBE

™

process

is

fully

automatic

and

responds

to

the

program

material

instantly

and

quietly.

LED

Stack

Each

channel

is

equipped

with

a

set

of

LED

indicators

that

instantly

show

the

relative

amount

of

processing.

In

normal

operation,

the

amber

LED

flashes

alternately

with

the

green

LED.

The

red

LED

lights

up

only

on

program

peaks

and

indicates

maximum

processing.

The

“Clip"

LED

indicates

that

the

output

of

the

BBE

802

has

reached

the

maximum

level.

Line

Gain

Low

Frequency

Level

Process

In/Out

The

Line

Gain

is

a

front

panel

screwdriver

adjustment

which

sets

the

gain

of

the

unit

in

process

mode.

Fully

clockwise

is

unity.

Turning

counterclockwise

attenuates

the

output

in

process

mode.

The

low

frequency

level

control

is

a

front

panel

screwdriver

adjustment

which

sets

the

low

frequency

gain

in

the

process

mode

from

10Hz

to

200Hz.

Fully

counterclockwise

setting

of

the

control

is

“flat"

at

50Hz

while

increasing

the

adjustment

clockwise

provides

up

to

6dBu

of

boost

at

50Hz.

In

many

applications

the

boost

in

the

low

end

balances

out

the

processed

audio.

The

process

in/out

switch

allows

a

quick

comparison

of

processed

with

unprocessed

sound.

When

the

switch

is

in,

the

green

LED

lights

and

indicates

“process

on".

When

the

switch

is

out,

the

amber

LED

lights

and

indicates

“process

off”.

In

the

"process

off"

mode

the

audio

signal

goes

through

a

single

piece

of

wire

and

a

set

of

sealed

relay

contacts

—

no

noisy

switches

or

pots.

Set'Up

The

BBE

802

is

connected

into

the

audio

chain

in

series

with

the

signal

path

—

the

same

way

a

graphic

equalizer

or

limiter

is

connected.

The

output

of

the

mixer,

pre-amp

or

tape

recorder

feeds

the

input

of

the

BBE

802.

The

input

level

should

fall

within

the

nominal

range

as

outlined

in

the

specifications.

Setting-up

and

using

the

BBE

802

as

an

echo

send

device

like

a

digital

reverb

is

not

recommended.

The

processing

effect

is

not

fully

realized

when

the

output

of

the

BBE

802

is

summed

with

the

original

source

audio.

Specifications

BBE

802

Frequency

Response

Bypass

Process

Mode

Noise

in

Process

Mode

Total

Harmonic

Distortion

in

Process

Mode

Input

Characteristics

Input

Impedance

Nominal

Input

Range

Maximum

Input

Level

Output

Characteristics

Minimum

Load

Impedance

for

full

output

Nomimal

Output

Level

Maximum

Output

Level

Power

Requirements

120

VAC

(nominal)

50/60Hz

*See

instructions

below

A/C

Line

fused

protected

DC

to

20kHz

program

controlled

~90dBu

below

OdBu

output

level

less

than

0.15%

@

1kHz.

@

+4dBu

15K

Ohms

(balanced

or

unbalanced)

-10dBu

to

+

8dBu

for

best

operation

+

24dBu

(input

clip

point)

600

Ohms

(balanced

or

unbalanced)

-10dBu

to

+8dBu

+

24dBu

into

600

Ohm

Load

(clip

point)

8

Watts

(switchable

to

220

VAC)

Terminations/Connectors

Rear

Panel

XLR

and

1

/4"

Tip-Ring-Sleeve

(Tip

is

hot)

Dimensions

1

3/4"

H

X

17"

W

X

7

1/2"

D

Standard

1U

single

rack

Weight

6

1/2

lbs.

(2.5Kgs)

NOTE;

OdBu

=

0.775

Vrms

Instructions

for

changing

to

220

VAC

Operation:

Power

is

applied

to

the

BBE

802

by

means

of

the

standard

lEC

line

cord

provided.

This

cord

may

be

used

for

115

or

230

Volt

Operation.

There

is

a

small

plug-in

circuit

card

underneath

the

fuse

on

the

rear

panel.

This

card

must

be

turned

so

that

the

line

voltage

being

used

is

visible

through

the

plastic

window.

ALL

SPECIFICATIONS

SUBJECT

TO

CHANGE

WITHOUT

NOTICE

Calibration

Procedure

for

the

BBE

Model

802

For

serial

numbers

up

to

2XXXX

Equipment

Required:

Audio

Signal

Generator

AC/DC

Voltmeter

This

procedure

details

calibration

of

channel

A.

Comments

(in

brackets)

pertain

to

channel

B.

All

tests

are

done

with

a

signal

level

of

OdBu

(.775Vrms)

except

for

clip

indicator

calibration.

Procedure:

1.

Apply

AC

power.

Engage

the

process

control.

2.

Connect

a

jumper

between

TP2

{TP6

for

channel

B)

on

the

PC

board

and

signal

ground.

3.

Set

channel

A

process

control

to

mid-scale.

4.

Set

channel

A

line

gain

control

fully

clockwise.

5.

Set

channel

A

low

frequency

level

control

fully

counterclockwise.

6.

Set

VR6

(VR14

for

channel

B)

fully

clockwise.

7.

Set

signal

generator

to

500Hz.

Apply

signal

to

channel

A

input.

8.

Set

voltmeter

for

AC

volts

and

connect

to

TP4

on

the

PC

board

(TPS

for

channel

B).

9.

Adjust

VR8

(VR16

for

channel

B)

until

the

voltmeter

indicates

IVrms.

10.

Connect

the

voltmeter

to

channel

A

output.

11.

Adjust

VR6

(VR14

for

channel

B)

until

the

voltmeter

indicates

OdBu

(.775Vrms).

12.

Set

the

signal

generator

output

to

5kHz.

13.

Adjust

VR5

(VR13

for

channel

B)

until

the

voltmeter

indicates

OdBu

(.775Vrms).

14.

Set

the

signal

generator

output

to

500Hz.

15.

Set

the

voltmeter

to

DC

volts.

16.

Connect

the

voltmeter

to

TPS

(TP7

for

channel

B).

Note

the

DC

voltage

at

this

point.

(Approximately

0.5

VDC).

17.

Set

the

signal

generator

output

to

5kHz.

18.

Connect

the

voltmeter

to

TP1

(TPS

for

channel

B).

19.

Adjust

VR4

(VR12

for

channel

B)

until

the

voltmeter

reads

the

same

amplitude

found

in

Step

16,

but

in

a

negative

direction.

20.

Set

the

signal

generator

output

to

-i-24dBu

(12.28Vrms)

at

500Hz.

21.

Adjust

VR7

(VR15

for

channel

B)

until

the

front

panel

clip

indicator

just

lights.

THIS

COMPLETES

THE

CALIBRATION

OF

THE

BBE

MODEL

802

Service

We

recommend

that

if

at

all

possible

a

BBE

802

which

requires

repair

be

sent

to

our

facility

in

Huntington

Beach,

CA.

We

request

that

a

“Return

Authorization”

be

issued

by

the

dealer

from

whom

you

purchased

the

unit.

If

this

is

not

possible,

call

BBE

Sound,

Inc.

directly

to

obtain

a

“Return

Authorization”

and

include

with

the

unit

a

copy

of

the

bill

of

sale

so

that

this

process

can

be

expedited.

As

the

repair

turnaround

time

is

minimal,

we

request

that

the

unit

be

sent

to

BBE

Sound,

Inc.

We

also

need

to

add

reliability

data

to

our

files

so

that

future

revisions

may

be

undertaken

if

necessary

to

improve

the

product.

Warranty

The

BBE

802

Processor

is

warranted

against

defects

in

material

and

workmanship

for

a

period

of

one

(1)

year

from

date

of

purchase

from

BBE

Sound,

Inc.

or

from

an

authorized

dealer.

During

this

period,

we

will

repair

units

free

of

charge

providing

that

they

are

shipped

pre-paid

to

BBE

Sound.

Inc.,

5500

Bolsa

Ave..

Suite

245,

Huntington

Beach,

CA

92649.

We

will

pay

return

UPS

shipping

charges

within

the

U.S.A.

All

charges

related

to

non-U.S.

shipping,

including

customs

clearance,

will

be

billed.

This

warranty

will

be

considered

null

and

void

by

BBE

Sound,

Inc.

if

any

of

the

following

is

found;

1.

Equipment

has

been

physically

damaged.

2.

Equipment

shows

sign

of

abuse.

3.

The

equipment

has

been

electrically

damaged

by

improper

connection

or

attempted

repair

by

the

customer

or

a

third

party,

4.

The

equipment

has

been

modified

without

authorization.

5.

The

bill

of

sale

indicates

that

the

purchase

date

of

the

equipment

is

not

within

the

warranty

period.

BBE

Sound,

Inc.

is

NOT

LIABLE

FOR

CONSEQUENTIAL

DAMAGES.

Should

the

processor

fail

to

operate

for

any

reason,

our

sole

obligation

is

to

repair

the

unit

as

described

above.

Maintenance

Maintenance

of

the

BBE

802

is

limited

to

proper

cleaning

of

the

unit

with

mild

household

cleaner

such

as

Formula

409®

or

Windex®.

The

chassis

and

cover

are

steel

finished

with

a

durable

polyurethane

paint,

white

the

front

panel

is

an

anodized

aluminum

extrusion.

There

are

no

user

replaceable

parts

and

the

unit

should

not

be

opened

for

any

reason

unless

you

are

a

qualified

technician.

Calibration

should

be

performed

if

parts

are

replaced

or

if

a

performance

check-out

indicates

a

problem

with

calibration.

Long

term

use

has

shown

that

over

the

life

of

this

unit

there

is

little

or

no

drift

of

the

components

in

the

BBE

802

which

would

cause

a

change

in

calibration.

A

very

conservative

design

philosophy

has

resulted

in

a

piece

of

equipment

which

runs

very

cool

and

should

give

years

of

trouble-free

service.

TAPE

INPUTS

RECORDING

STUDIOS