BBE 862 Bedienungsanleitung

Andere Handbücher für 862

1

Inhaltsverzeichnis

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Sony

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Sound

Inc.

MODEL

862

SONIC

MAXIMIZER

USER

MANUAL

Important

Safeguards

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

aiert

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

equilaterai

triangie

is

intended

to

alert

the

user

to

the

presence

of

important

operating

and

maintenance

(servicing)

instructions

in

the

iiterature

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

pooi.

Heat

-

Do

not

instaii

the

appliance

near

sources

of

heat

such

as

radiators,

heat

regis¬

ters,

stoves,

or

other

appliances

that

pro¬

duce

heat,

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

-

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.

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.

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.

*

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.

Wall

or

Ceiling

Mounting

-

If

your

appliance

can

be

mounted

to

a

wall

or

ceil¬

ing,

mount

it

only

as

recommended.

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.

Do

not

attempt

to

service

the

appliance

beyond

that

described

in

the

operating

instructions.

For

all

other

sen/icing,

refer

to

qualified

sen/ice

personnel

only.

TABLE

OF

CONTENTS

Precautions.I

Product

Description.

1

Controls/Connections.2-4

General

Operation/Applications.5-10

Service/Warranty

Information.11

Calibration.12

Specifications.5

Schematic

Diagram.13-19

Congratulations

on

your

purchase

of

the

BBE

862

Sonic

Maximizer,

a

balanced,

two

channel

signal

processor

that

will

benefit

any

sound

reproduction

system.

Program

material

will

have

sparkle

and

unmistakable

clarity.

Lower

frequencies,

such

as

a

bass

guitar,

will

be

more

evident

in

the

mix.

Voices

will

be

crystal

clear.

Guitar

and

keyboard

notes

will

have

greater

integrity

and

be

more

distinct

from

each

other.

If

classical

music

is

your

forte,

listen

to

your

favorite

symphony

and

feel

as

though

you

are

the

conductor.

Rap

music

will

take

on

new

dimensions

with

a

thunderous,

yet

tight

thump

which

cannot

be

achieved

with

any

other

sound

processor.

The

BBE

862’s

flexible

design

will

allow

it

to

be

configured

into

any

system.

Whether

live

sound

reproduction

or

in

recording

studios,

the

BBE

862

will

be

a

welcome

addition.

The

following

features

will

make

the

BBE

862

attractive

to

sound

engineers,

players

and

listeners:

1.

Independent

PROCESS

and

LO

CONTOUR

control

for

each

channel

to

accommodate

mono

or

stereo

configurations.

2.

A

Function

Switch

to

allow

for

the

comparison

of

the

BBE

Processed

signal

to

the

unprocessed

signal.

3.

Quarter

inch

stereo

Phone

jacks

and

XLR

connectors

to

allow

for

easy,

balanced

configuration

into

any

sound

system.

4.

Clip

LED

to

monitor

the

incoming

signal

level.

5.

A

Four

Level

LED

indicator

to

monitor

the

output

of

the

BBE

862

Sonic

Maximizer.

IMPORTANT

Before

you

begin,

please

check

the

contents

within

this

box

to

insure

that

included

are:

1.

The

BBE

862

Sonic

Maximizer.

2.

Four

Rubber

Feet

for

"Table

Mount"

applications

3.

The

BBE

862

User’s

manual.

If

any

of

these

items

are

found

to

be

damaged

or

missing,

immediately

contact

the

BBE

dealer

from

whom

the

unit

was

purchased.

Before

you

begin,

please

read

this

manual.

It

will

help

you

use

the

BBE

862

more

effectively

and

answer

most

of

the

common

questions

that

our

service

department

receives.

But

if

you

still

have

questions,

please

call

our

service

department

at

(714)

897-6766.

1

HOW

THE

BBE

PROCESS

WORKS

The

BBE

Process

has

been

designed

to

make

music

programs

more

intelligible

and

life-like

than

normally

achieved

with

existing

audio

systems.

The

BBE

Process

works

dynamically

by

boosting

the

harmonic

content

of

the

music

program,

as

determined

by

the

signal

input,

and

imparting

a

linear

phase

shift

across

the

audio

spectrum.

The

phase

shift

allows

for

a

separation

of

the

high,

mid

and

low

frequencies

so

that

they

do

not

arrive

at

the

speaker

network

at

precisely

the

same

time.

This

prevents

the

higher

frequencies

from

being

smothered.

(As

the

phase

shift

is

minimal,

2

milliseconds,

it

is

not

perceived

as

a

delay

or

echo.)

The

amount

of

harmonic

amplification

is

variable

as

selected

by

the

PROCESS

knob,

to

achieve

crisp,

tight

music

program.

The

LO

CONTOUR

knob

is

a

bass

frequency

adjustment.

When

turned

clockwise,

the

LO

CONTOUR

will

add

power

and

warmth

to

the

music

program.

If

your

musical

tastes

require

the

bass

frequencies

be

reduced,

turn

the

knob

counter-clockwise.

Although

the

majority

of

the

process

is

achieved

with

the

higher

frequencies

of

the

music

program,

the

BBE

Process

will

make

a

significant

difference

with

the

entire

program.

For

example:

An

"A"

at

440Hz

on

a

guitar

is

fundamentally

the

same

note

as

an

"A"

at

440Hz

on

a

piano.

What

allows

a

listener

to

identify

the

respective

instruments

is

the

harmonic

content.

By

realigning

the

phase

relationship

and

amplitude

of

the

harmonic

frequencies,

the

distinctive

sound

of

a

guitar,

a

piano,

or

any

musical

instrument,

is

much

more

evident.

FRONT

PANEL

CONTROLS

AND

CONNECTIONS

NOTE:

BOTH

CHANNELS

OF

THE

BBE

862

ARE

INDEPENDENT

FROM

EACH

OTHER

AND

MAY

PROCESS

A

STEREO

SIGNAL

SOURCE

OR

TWO

INDEPENDENT

SIGNAL

SOURCES.

NO

DAMAGE

WILL

BE

INFLICTED

TO

THE

BBE

862

IF

ONLY

ONE

CHANNEL

IS

UTILIZED.

CHANNEL

A

1.

LED

DISPLAY:

The

LED

display

is

used

to

indicate

the

output

signal

level

of

the

BBE

862.

Each

number

on

the

front

panel

corresponds

to

the

output

signal

level,

measured

in

decibels.

Example:

The

"+10"

indicates

a

lOdBu

signal

level,

"0"

refers

to

OdBu,

and

so

on.

Once

an

input

signal

level

has

been

established,

increasing

the

BBE

PROCESS

and

LO

CONTOUR,

will

increase

the

output

2

CHANNEL

A

cont.,

signal

and

cause

more

LEDs

to

illuminate.

The

Clip

LED

monitors

the

input

signal

level.

The

Clip

LED

will

illuminate

at

+20dBu,

giving

a

3dBu

warning

of

the

impending

distortion

at

+23dBu,

the

actual

clip

point.

2.

LO

CONTOUR:

Each

channel

is

equipped

with

a

LO

CONTOUR

control.

This

control

is

a

low

frequency

adjustment

for

the

BBE

862.

It

provides

a

boost

of

lOdBu

when

turned

to

its

maximum

position

(clockwise)

at

50Hz.

When

turned

to

its

minimum

position

(counter-clockwise)

it

reduces

the

50Hz

signal

by

lOdBu.

The

middle

position

would

be

flat

or

no

change.

3.

PROCESS:

Each

channel

is

equipped

with

a

BBE

PROCESS

control.

This

control

adjusts

the

BBE

Process.

The

BBE

Process

gives

the

user

a

more

detailed

perception

of

tonality,

added

"bite"

and

an

increase

in

clarity.

The

low

frequency

range

of

the

program

material

will

be

tightened

while

the

high

end

will

be

crystal

clear

without

adding

or

creating

any

additional

noise

or

harmonic

distortion.

When

the

knob

is

in

its

minimum

position,

completely

counter-clockwise,

no

process

is

taking

effect.

Turning

the

knob

clockwise

will

introduce

the

BBE

Process.

Adjust

the

knob

to

mix

the

desired

amount

of

BBE

Process

to

suit

your

taste.

The

BBE

Process

also

has

its

own

in/out

switch

for

comparison

of

the

processed

to

unprocessed

signal

located

on

the

front

panel.

Experiment

with

the

process.

Use

the

BBE

Process

as

an

extension

of

the

tone

controls.

The

BBE

Process

is

not

an

effect,

but

a

sonic

improvement.

To

start,

set

the

BBE

PROCESS

knob

to

its

12

o’clock

position,

then

adjust

accordingly.

4.

FUNCTION:

This

switch

engages

the

BBE

Process.

When

depressed,

the

"IN"

position,

the

"GREEN"

LED

will

illuminate,

indicating

that

the

BBE

Process

has

been

engaged.

When

in

the

"OUT"

position,

the

"YELLOW"

LED

will

illuminate,

indicating

that

the

BBE

Process

has

been

disengaged.

5.

CHANNEL

B:

These

controls

function

the

same

as

the

CHANNEL

A.

6.

POWER:

This

switch

applies

AC

power

to

the

BBE

862

Sonic

Maximizer.

When

the

Power

Switch

is

in

the

"ON"

position,

either

the

"GREEN"

or

"YELLOW"

Function

LED

will

illuminate,

as

determined

by

the

Function

Switch,

to

indicate

that

power

has

been

applied.

When

the

Power

Switch

is

not

in

the

"ON"

position,

neither

of

the

Function

LEDs

will

illuminate.

3

REAR

PANEL

1.

POWER

CORD:

U.S.

Configuration:

This

is

a

standard

two-pronged,

polarized

AC

power

cable

for

connection

to

any

standard

polarized

110Vac

outlet.

Plugs

for

other

national

configurations

will

vary.

2.

FUSE:

Replace

ONLY

with

same

type

Fastblow

fuse.

U.S.,

Canada

and

Japan

models:

250Vac,

1/2A

Fastblow

Standard

model:

250Vac,

.125A

Fastblow

CHANNEL

B

3.

OUTPUT:

The

output

of

the

BBE

862

can

be

taken

from

the

1/4"

stereo

Phone

Jack

or

the

XLR

Jack.

Both

are

balanced

and

the

same

point

electronically.

This

allows

both

outputs

to

be

used

simultaneously,

eliminating

the

need

for

a

"Y"

cord

in

the

event

multiple,

balanced

outputs

are

required.

The

recommended

single

load

level

is

at

least

10k

Ohms.

If

both

outputs

are

being

used,

a

minimum

of

a

22k

Ohm

load

per

device

is

required.

(The

"load"

is

determined

by

the

input

impedance

of

the

next

subsequent

component

in

the

signal

chain.)

The

maximum

output

is

rated

at

+23dBu.

Pin

#2

is

considered

the

hot

or"+"

signal.

The

output

impedance

of

the

BBE

862

is

600

ohms.

NOTE:

Actual

output

level

will

vary

due

to

the

selected

position

of

the

BBE

PROCESS,

and

the

actuai

input

signal

level.

If

both

the

XLR

and

Phone

jacks

are

being

used,

both

must

be

balanced

or

unbalanced.

Otherwise

a

loss

of

signal

level

will

occur.

4.

INPUT:

The

input

of

the

BBE

862

is

a

balanced

connection.

Although

it

can

be

either

a

1/4"

stereo

Phone

Plug

or

an

XLR

Plug,

it

is

recommended

that

only

one

input

source

is

used.

Both

jacks

are

the

same

point

electronically,

however,

due

to

the

input/output

impedance

characteristics

of

most

audio

devices,

a

loss

of

signal

may

occur

and/or

damage

to

a

component

if

both

inputs

are

utilized.

Pin

#2

is

considered

the

hot

or"+"

signal.

The

input

impedance

of

the

BBE

862

is

14.7k

Ohms.

The

maximum

signal

input

is

+23dBu.

5.

CHANNEL

A:

These

controls

function

the

same

as

the

CHANNEL

B.

4

SPECIFICATIONS

Frequency

Response,

process

mode:

bypass

mode:

Signal

to

Noise:

THD,

process

mode:

bypass

mode:

Maximum

Output:

input

impedance:

Output

impedance:

Sensitivity:

Maximum

Process:

Lo

Contour:

Fuse:

Program

controlled

20Hz

to

20kHz,

+/-

O.SdBu,

OdBu

input

-92dBu

less

than

0.025%

at

-OdBu

input,

20-20kHz

less

than

0.002%

at

-OdBu

input,

20-20kHz

+23dBu

(may

vary

due

to

control

settings)

14.7k

Ohms,

balanced

1/4"

stereo

phone

jack

or

XLR

jack.

Pin

#2

is

the

hot

or"+"

signal.

600

Ohms,

balanced

1/4"

stereo

phone

jack

or

XLR

jack.

Pin

#2

is

the

hot

or"+"

signal.

-45dBu

for

maximum

process

+10dBu

boost

at

5kHz,

OdBu

input

+10/-10dBu

adjustment

at

50Hz,

OdBu

input

*

OdBu

=

0.775mVrms

Power

Requirements:

U.S.,

Canada

&

Japan

models:

120VAC,

50/60Hz,

8

WATTS

Standard

model:

220VAC,

50/60Hz,

8

WATTS

Replace

with

the

same

type

FASTBLOW

fuse.

U.S.,

Canada

&

Japan

models:

250Vac,

1/2A

Fastblow

type

fuse

Standard

model:

250Vac,

.125A

Fastblow

type

fuse

19"(W)x8.5''(D)x1.7"(H)

7lbs.

Dimensions:

Shipping

Weight:

Note:

Due

to

continuing

product

improvement,

specifications

and

design

are

subject

to

change

without

GENERAL

OPERATION

THE

BBE

862

IS

A

LINE

LEVEL

SIGNAL

PROCESSOR

AND

IS

TO

BE

CONNECTED

PRIOR

TO

THE

POWER

AMP

IN

ANY

AUDIO

SYSTEM.

SIGNIFICANT

DAMAGE

MAY

BE

INFLICTED

TO

THE

BBE

862

OR

ANY

SUBSEQUENT

COMPONENT

IN

THE

SYSTEM

IN

THE

EVENT

THE

OUTPUT

OF

A

POWER

AMP

IS

CONNECTED

DIRECTLY

TO

THE

BBE

862.

In

order

to

reduce

the

risk

of

damage

to

any

equipment,

properly

connect

all

cables

and

power

cables

before

turning

on

any

components

in

the

system.

Most

important

of

all,

ALWAYS

TURN

ON

THE

POWER

AMPLIFIER

LAST

TO

AVOID

DAMAGING

THE

SPEAKERS

OR

THE

AMP.

The

BBE

862

may

be

utilized

in

a

number

of

different

environments.

Having

balanced

connections,

the

BBE

862

is

able

to

drive

long

signal

lines

with

virtually

no

added

noise

or

distortion.

Nor

will

it

have

any

adverse

affect

on

the

sound

quality

of

the

music

program.

Both

channels

of

the

BBE

862

are

completely

independent

from

each

other.

One

channel

of

the

BBE

862

may

be

used

at

a

time

or

each

channel

may

process

different

signal

sources

simultaneously.

The

effects

loop

is

the

ideal

placement

in

the

signal

chain

of

a

guitar

application.

In

a

pre-amp,

keyboard

or

P.A.

application,

the

BBE

862

works

best

as

the

last

component

in

the

signal

chain,

just

before

the

crossover

or

power

amp.

Important:

In

pro

audio

applications,

never

connect

the

BBE

862

into

the

effects

loop.

The

inherent

phase

shift

of

the

BBE

Process

will

cause

phase

cancellation

resulting

in

a

partial

loss

of

signal.

BBE

AND

EQUALIZATION

The

most

common

question

asked

of

the

BBE

Sound,

Inc.

service

department

is:

"Where

does

the

BBE

Processor

connect

in

the

signal

chain,

before

or

after

the

equalizer?"

Many

people

find

that

the

same

amount

of

equalization

is

no

longer

needed,

if

at

all,

when

a

BBE

processor

is

used.

Additionally,

the

amount

of

equalization

used

will

help

determine

the

BBE

862’s

proper

location

in

the

signal

chain:

if

the

EQ

is

being

set

to

give

the

room

a

flat

response

as

determined

by

a

spectrum

analyzer,

the

BBE

862

will

work

properly

before

or

after

the

EQ.

(Placing

the

BBE

862

after

the

EQ

is

recommended.)

If

the

EQ

is

being

used

for

drastic

tone

alteration,

the

recommended

placement

would

be

before

the

EQ.

Neither

of

these

configurations

will

harm

the

BBE

862.

When

the

BBE

862

is

being

used

in

a

single

instrument

application,

guitar,

keyboards,

etc.,

it

may

be

advantages

to

experiment

with

the

proper

placement

of

the

BBE

in

the

signal

chain.

The

BBE

862

will

improve

the

sonic

quality

of

the

instrument

and

any

effects

that

may

be

present

as

well.

Important:

Generally,

reverb

and

delay

do

not

affect

the

BBE

negatively.

However,

it

is

possible

that

with

a

large

amount

of

effects

added

to

an

instrument

that

the

BBE

may

process

irregularly.

If

this

occurs,

reconnect

the

BBE

862

as

the

first

item

in

the

processor

chain.

Use

the

following

illustrations

as

a

starting

point

for

proper

placement

of

the

BBE

862.

5

LIVE

APPLICATION:

NON

POWERED

MIXER

MICROPHONES

POWER

AMPLIFIER

CASSETTE

DECK

PA

CABINET

PA

CABINET

Connect

the

BBE

862

to

the

output

of

the

mixing

console.

The

output

of

the

BBE

will

drive

either

a

crossover

or

a

power

amp

directly.

(If

an

equalizer

is

being

used,

refer

to

"BBE

AND

EQUALIZATION"

section

under

"GENERAL

OPERATION.")

6

LIVE

APPLICATION:

POWERED

MIXER

PRE

AMP

OUT

PWR

AMPr

IN

I

oooooooo

©ooooooo

ooooo®®®

ooo

IHIHH

It

MIXING

CONSOLE

BBE

862

SONIC

MAXIMIZER

MAIN

OR

CHANNEL

INSERT

POINT

_

TIP/RING/sleeve!

L:^

^

^

oooooooo

oooooooo

oooooooo

ItIHHI

MIXING

CONSOLE

o

o

o

It

BBE

862

SONIC

MAXIMIZER

There

a

couple

of

ways

to

configure

the

BBE

862

into

a

powered

mixer.

The

ideal

method

would

be

into

"Pre-Amp

Out/Power

Amp

In"

section

of

the

console.

If

your

console

does

not

have

this

option,

use

the

main

or

channel

insert

points.

7

RECORDING

The

BBE

862

can

be

utilized

in

the

recording

studio

on

individual

instruments

or

on

groups

of

instruments

to

improve

the

sound

quality.

MASTERING

OR

DUBBING

CASSETTE

DECK

Use

the

BBE

862

for

mastering

the

recording.

Even

if

the

BBE

Process

has

been

used

on

individual

tracks,

an

improvement

of

the

total

mix

will

be

noticed.

8