Bryston ST Series User manual

BRYSTON

OWNER’S

MANUAL

Instructions

For

Bryston

Sales

Amplifiers

Model

GENERAL

INSTRUCTIONS

Warranty

Information:

Thank

you

for

choosing

Bryston

product.

welcome

any

suggestions

you

may

have,

comments

regarding

the

operation

your

am¬

plifier.

consider

you,

our

customer,

Bryston’s

most

important

resource,

and

your

opinion

very

much

appreciated.

Bryston

products

are

warranted

free

from

manufacturing

defects

for

minimum

20,

(twenty),

years

from

the

original

date

manu¬

facture.

This

includes

all

parts,

labor

and

one¬

way

return

shipping.

This

warranty

covers

the

original

owner

and

any

subsequent

owners.

The

warranty

retroactive

for

any

Bryston

product

purchased

within

the

last

twenty

years.

Tamper¬

Bryston

9B-ST

Amplifier

[Description:

The

Bryston

9B-ST

multi-channel

power

amplifier

consisting

five

independent

ampli¬

fier

modules,

each

with

its

own

power

trans¬

former

and

+/-60V

power

supply.

Each

audio

channel

provides

connections

for

balanced

ing

anyone

other

than

factory

authorized

personnel

voids

the

warranty.

Warranty

service

may

obtained

returning

the

unit

any

authorized

Bryston

dealer

distributor.

You

may

also

contact

the

Bryston

factory

national

service

offices

directly

the

location

listed

the

rear

page

this

manual.

Please

keep

the

original

box

and

all

packing

material.

This

will

ensure

the

amplifier

pro¬

tected

the

unlikely

event

you

have

problem

and

must

return

for

service.

warranty

card

necessary

initiate

your

coverage.

Please

refer

the

back

page

for

detailed

war¬

ranty

information.

single

ended

input

and

will

supply

minimum

120

watts

power

into

ohms

200

watts

into

ohms.

remote

power

control

option

available

THX

versions.

Installation

Setup

And

Recommendations:

PROVIDE

ADEQUATE

VENTILATION

not

place

the

amplifier

enclosed

un¬

ventilated

area.

Allow

minimum,

inches

space

the

top,

sides

and

back

your

ampli¬

fier

relies

convection

cooling

and

ample

air

flow

required.

sure

cool

air

can

flow

freely

through

the

amplifier.

not

install

near

heat

sources

such

other

power

amplifiers,

hot

air

vents,

radiators,

etc.

All

Bryston

amplifiers

contain

high

quality,

dedi¬

cated

circuitry

their

power

supplies

reject

RF,

line

spikes

and

other

power-line

problems.

Bryston

power

amplifiers

not

require

any

specialized

power

line

conditioners.

Simply

plug

the

amplifier

directly

into

its

own

wall

socket.

Make

sure

the

power

switch

the

front

the

amplifier

the

off

(out)

position.

Plug

the

power

cord

(female

end)

into

the

rear

the

amplifier,

then

insert

the

male

end

into

the

wall

outlet.

Finally,

upon

completion

the

installation

activate

the

power

switch

only

after

all

other

equipment

pow¬

ered

up.

Note:

rack-mounting

the

inch

version

please

ensure

that

the

rear

the

well

supported.

PLEASE

REFER

TO:

“BRYSTON’S

SAFETY

MANUAL”

FOR

FURTHER

OPERATING

INSTRUCTIONS.

Page

BRYSTON

MANUAL

Rear

Panel

Input:

The

has

two

inputs,

one

for

balanced

source,and

one

for

single

ended

un-balanced

source.

The

BAL

input

connec¬

tor

will

either

‘XLR’

type

1/4”

Tip/Ring/

Sleeve

type.

The

phase

(+)

terminal

the

‘XLR’

and

tip

the

TRS.

The

input

impedance

15K

ohms.

The

input

pins

are

gold

plated.

Input

sensitivity

selectable

using

the

‘INPUT’

slide

switch.

the

‘BAL

REG’

position

Volts

100

Watts

ohms

output.

This

the

recommended

setting

when

using

Bryston

pre-amplifiers

Balanced

Unbalanced:

Balanced

cable

interconnects

should

used

whenever

possible,

they

provide

common

mode

noise

protection

from

external

electrical

interference,

and

with

active

balanced

outputs

higher

signal

level

flows

the

cable.

The

unbalanced

cable

interconnect

provided

for

pre-amplifiers

without

balanced

output.

Un¬

balanced

cables

should

kept

feet

less.

general

never

use

longer

cables

than

necessary,

never

coil

excess

cable

length,

and

run

signal

wires

away

from

and

never

parallel

power

speaker

cables.

Output:

Gold

plated

output

binding

posts

provide

three

different

interconnect

options.

Stripped

bare

wire

Ga.

can

passed

through

the

hole

the

binding

post

and

held

place

tightening

the

post

knob.

Additional

tightening

pressure

can

achieved

using

coin

the

slots

the

knob.

Copper

wire

malleable

and

may

require

further

tightening

month

any

pre-amplifier

having

active

balanced

outputs.

This

setting

also

produces

the

lowest

ampli¬

fier

noise

floor.

The

‘BAL

dB”

setting

adds

gain

provide

input

sensitivity

Volt

100

Watts

ohms

output.

This

set¬

ting

primarily

for

balanced

out¬

puts

that

are

transformer

cou¬

pled,

other

low

level

sources.

The

‘UNBAL’

setting

selects

the

gold

plated

‘RCA’

type

tip/sleeve

connector.

The

input

impedance

50K

ohms.

The

output

phase

with

the

input

and

the

sensitivity

Volt

100

Watts

into

ohms

output.

two

after

initial

installation.

When

using

bare

wire

watch

out

for

fine

wire

fragments

shorting

from

one

wire

the

other.

Wire

terminated

with

banana

plugs,spade

lugs,

pins

are

also

accommodated

the

binding

posts.

recommend

gold

plated

connectors

prevent

corrosion

and

signal

distortion.

The

red

(+)

binding

post

the

output

and

normally

will

connected

the

red

(+)

con¬

nector

the

loudspeaker.

The

black

(-)

bind¬

ing

post

ground

and

should

connected

the

black

(-)

connector

the

loudspeaker.

Speaker

wire

should

kept

short

practi¬

cal

and

should

never

terminated

with

con¬

nectors

that

may

become

confused

with

power

connectors.

Speaker

cables

should

dressed

away

from

input

and

power

cables,

and

even

each

other

when

runs

are

long.

The

minimum

speaker

ioad

the

amplifier

ohms.

Page

BRYSTON

MANUAL

Clipping

indicators:

All

Bryston

amplifiers

use

bicolor

LEDs

with

green

indicating

power

and

flashing

red

indi¬

cating

actual

overload

distortion.

Upon

power-

the

9B’s

LED’s

will

remain

“red”

until

all

volt¬

ages

stabilize

and

the

unit

comes

out

mute

and

the

LED

turns

green.

the

LED

indicator

contains

substantial

red

content,

when

program

present,

should

considered

sign

that

the

level

too

high

and

may

cause

speaker

damage

continues.

should

remembered

that

the

Bryston

se¬

ries

are

powerful

amplifiers,

and

that

possible

damage

almost

any

speaker

amplifier

used

thoughtless

abusive

manner.

Brys¬

ton

will

not

responsible

for

damage

caused

this

manner.

The

clip-sensing

circuit

uses

comparator

detect

any

source

signal

distortion

including

clipping,

short

circuits

cabling,

excessive

supersonic

signals,

whether

the

input

out¬

put.

Most

conditions

which

could

cause

the

red

LED

light

for

than

moment

two

can

dangerous

your

loudspeakers

and

should

corrected

immediately.

specific

LED

remains

“red”

without

signal

present,

may

indicate

thermai

overload

condition

and

the

channel

shut

down

until

safe

operating

temperatures

return.

Bryston

Remote

Power

Control

THX

units

only

REMOTE

POWER

CONTROL^

LOCAL

REMOTE

SELECT

’LOCAL’

WHEN

NOT

USING

REMOTE

POWER

CONTROL

4-12V

FRONT

PANEL

POWER

SWITCH

MUST

’ON’

WHEN

USING

REMOTE

POWER

FUNCTION.

i©

The

remote

power

control

function

allows

the

user

link

the

power

on/off

the

exter¬

nal

preamplifier,

processor,

other

control

device.

This

useful

installations,

such

home

the¬

ater,

for

powering

multiple

am¬

plifiers,

often

distant

locations

from

the

source.

Located

the

back

panel

the

two

screw

terminal

input

connector.

The

amplifier

can

powered-up

applying

4-12

Volts

(AC

either

polarity)

connected

the

termi¬

nals

the

jack.

This

jack

will

1/4

inch

stripped

wire

ends,

inserted

into

the

square

holes

provided,

and

the

adjacent

screws

carefully

tightened

hold

them

place.

The

input

current

remains

less

than

regardless

voltage,

there¬

fore

wire

sufficient.

The

front

panel

power

switch

must

left

the

"on"

position

(in),

all

times

for

the

am¬

plifier

operate

remote

power

control

mode.

‘REMOTE’

position

the

amplifier

can

only

turned

applying

remote

control

voltage

4-12

volts.

the

‘LOCAL’position

the

amplifier

will

not

respond

remote

control

voltage,

only

the

front

panel

power

switch.

all

times

the

power

can

turned

off

using

the

front

panel

power

switch.

Page

Typical

Surround

Sound

Hookup:

Shown

below:

typical

hookup

between

surround

sound

processor

and

the

9BST.

show

balanced

interconnects

which

rec¬

ommend

especially

when

the

located

than

feet

from

the

processor.

The

connections

would

similar

using

the

unbal¬

anced

interconnects.

This

suggested

layout

when

viewed

from

the

front

the

has

the

center

channel

the

middle

and

left

and

right

front

channels

adjacent

the

center

with

left

UNBALANCED

OUTPUTS

RIGHT

CENTER

LEFT

LSURR

SUB

(§)(§)

RSURR

REMOTE

12V

OUTPUT

RIGHT

BALANCED

OUTPUTS

CENTER

LER

LSURR

SUB

and

right

surround

speakers

juxtaposed

the

appropriate

left

and

right

front

channels.

This

particular

setup

allows

you

easily

monitor

the

status

each

individual

channel

the

power

LED’s

will

correlate

with

the

positions

the

speakers

most

rooms

(see

diagram

below).

should

noted

that

be¬

cause

each

channel

the

identical

any

channel

can

operated

with

any

input

and

arranged

required.

For

Bryston

amplifiers

with

rear

panel

gain

adjustment

including

the

THX

designation

the

correct

THX

position

indicated

the

back

panel.

OH-QT

TW’lf

flA.

The

“BAL

THX”

the

“UNBAL

THX”

position

(see

diagram)

the

correct

setting

for

the

slide

switch.

not

place

the

slide

selector

the

middle

position

installed

authorized

THX

system.

BAL

6dB

INPUT

ERI

Thx

UNBAL

THX

"WARNING!

RISK

HAZARDOUS

ENERGY!

MAKE

PROPER

SPEAKER

CONNECTIONS.

SEE

OPERATING

MANUAL

BEFORE

USING.

120W80

PRO

THX

The

professional

version

provides

rotary

gain

control

which

must

turned

fully

clockwise

installed

THX

system

and

the

slide

switch

above

(see

diagram)

must

also

either

the

“BAL

THX”

“UNBAL

THX”

position.

□

]C]?SnCDQ]

ODpro

BAL

UNBAL

THX

LEVEL

"WARNING!

RISK

HAZARDOUS

ENERGY!

MAKE

PROPER

SPEAKER

CONNECTIONS.

SEE

OPERATING

MANUAL

BEFORE

USING.

-14

THX

120W80

RO.

Box

2170,

677

Neal

Drive,

Peterborough,

Ont.,

Canada

K9J

7Y4

Tel:

(705)

742-5325

Fax:

(705)

742-0882

Bryston

products

are

warranted

free

from

manufacturing

defects

for

minimum

twenty

years

from

the

original

date

manufacture.

This

includes

parts,

labour

and

return

shipping

the

first

owner

and

all

subsequent

owners.

Warranty

coverage

automatic

and

commences

with

the

original

date

manufacture

which

kept

file

Bryston.

the

event

defect

malfunction,

Bryston

will

remedy

the

problem

repair

replacement,

deem

necessary,

restore

the

product

full

performance.

This

warranty

considered

void

the

defect,

malfunction

failure

the

product

any

component

part

was

caused

damage

(

not

resulting

from

defect

malfunction

)

abuse

while

the

possession

the

customer.

Tampering

persons

other

than

factory

authorized

service

personnel,

failure

fully

comply

with

Bryston

operating

instructions,

voids

the

warranty.

This

warranty

gives

you

specific

legal

rights

and

you

may

also

have

other

rights

which

may

vary

from

province

and

country

country.

FOR

BRYSTON

SERVICE

OUTSIDE

CANADA:

CONTACT

YOUR

LOCAL

DISTRIBUTOR

CHECK

OUR

WEB

SITE

AT:

www.bryston.ca

CALL

BRYSTON

DIRECTLY

AT:

PHONE:

705-742-5325

FAX:

705-742-0882

BRYSTON

SERVICE

CANADA:

STEINWAY

BLVD,.

UNIT

ETOBICOKE,

ONTARIO

CANADA

M9W

6T8

PHONE:

416-675-2585

FAX:

416-675-3103

BRYSTON

LTD.

P.O.

BOX

2170,677

NEAL

DRIVE

PETERBOROUGH,

ONTARIO

CANADA

K9J

7Y4

PHONE:

705-742-5325

FAX:

705-742-0882

BRYSTON

SERVICE

U.S.A.:

COVENTRY

ST.

NEWPORT

VERMONT.

U.S.A.

05855

PHONE:

802-334-1201

FAX:

802-334-6658

Specifications:

9B-120-R

channel

power

rating:

120

Watts

into

200

Watts

Into

input

impedance:

balanced

15kO

unbalanced

sensitivity:

bal

input

reg

Volt

100

Watts/8Q

bal

input

Volt

100

Watts/8

unbal

volt

100

Watts

distortion:

Thd

.007%

20Hz

20kHz

120

Watts

IMD

.002%

7kHz

mixed

noise

-107db

20Hz

22kHz

bandpass

power

consumption:

all

channels

full

power

with

ohm

loads

900

VA.

all

channels

full

power

with

ohm

loads

1600VA.

all

channels

idle

100

VA.

9B-120-P

channel

The

9B-PRO

version

provides

for

input

attenua¬

tion

14dB

adjusting

the

‘LEVEL’

control.

Full

attenuation

versions

are

also

avail¬

able.

Level

controls

are

not

available

THX

versions.

THX

MODELS

ARE

MANUFACTURED

UNDER

LICENSE

FROM

LUCASFILM

LTD.

THX

TRADEMARK

LUCASFILM

LTD.

dimensions

rack

mount

models

19”

17"

5.25”

17"

models

17”

5.25"

shipping

weight

lbs

This manual suits for next models

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