Arcam Alpha 7 Manual de usuario

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4

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ARCAM

Front

&

Rear

Panel

Diagrams

ENGLISH

Alpha

7/8

Integrated

Amplifier

Alpha

8P

Power

Amplifier

Safely

InstrifCtfoils

-

Please

read

before

operating

the

equipment

ENGLISH

SAFETY

INSTRUCTIONS

This

product

was

designed

and

manufactured

to

meet

strict

quality

and

safety

standards.

There

are,

however,

some

installation

and

operation

precautions

which

you

should

be

particularly

aware

of:

1.

Read

Instructions

-

All

the

safety

and

operating

instructions

should

be

read

before

the

appliance

is

operated.

2.

Retain

Instructions

-

The

safety

and

operating

instructions

should

be

retained

for

future

reference.

3.

Heed

Warnings

-

All

warnings

on

the

appliance

and

in

the

operating

instructions

should

be

adhered

to.

4.

Follow

Instructions

-

All

operating

and

use

instructions

should

be

followed.

5.

Water

and

Moisture

-

The

appliance

should

not

be

used

near

water

-

for

example

near

a

bathtub,

washbowl,

kitchen

sink,

laundry

tub,

in

a

wet

basement

or

near

a

swimming

pool,

etc.

6.

Carts

and

Stands

-

The

appliance

should

be

used

only

with

a

cart

or

stand

that

is

recommended

by

the

manufacturer.

6A.

An

appliance

and

cart

combination

should

be

moved

with

care.

Quick

stops,

excessive

force,

and

uneven

surfaces

may

cause

the

appliance

and

cart

combination

to

overturn.

7.

Wall

or

Ceiling

Mounting

-

The

appliance

should

be

mounted

to

a

wall

or

ceiling

only

as

recommended

by

the

manufacturer.

8.

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

tiiat

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.

9.

Heat

-

The

appliance

should

be

situated

away

from

heat

sources

such

as

radiators,

heat

registers,

stoves

or

other

appliances

(including

amplifiers)

that

produce

heat.

10.

Power

Sources

-

The

appliance

should

be

connected

to

a

power

supply

only

of

the

type

described

in

the

operating

instructions

or

as

marked

on

the

appliance.

11.

Grounding

-

Precautions

should

be

taken

so

that

the

grounding

means

of

the

appliance

is

not

defeated.

12.

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

and

plugs,

convenience

receptacles

and

the

point

where

they

exit

from

the

appliance.

13.

Cleaning

-

Unplug

the

unit

from

the

mains

supply

before

cleaning.

The

appliance

should

normally

only

require

a

wipe

over

witii

a

clean,

dry,

lint-free

cloth.

If

it

is

heavily

soiled

then

a

cloth

slightly

dampened

with

a

water/washing

up

liquid

solution

may

be

used.

Dry

the

unit

afterwards

with

a

dry

cloth.

We

do

not

advise

the

use

of

furniture

type

cleaning

sprays/polishes

as

this

can

cause

white

marks,

which

are

very

difficult

to

remove,

if

the

unit

is

then

wiped

over

with

water.

14.

Power

Lines

-

An

outdoor

antenna/

aerial

should

be

located

away

from

power

lines.

15.

Non-use

Periods

-

The

power

cord

of

the

appliance

should

be

unplugged

from

the

outlet

when

left

unused

for

a

long

period

of

time.

16.

Object

and

Liquid

Entry

-

Care

should

be

taken

so

that

objects

do

not

fall

and

liquids

are

not

spilled

into

the

enclosure

through

any

openings.

17.

Abnormal

Smell

-

If

an

abnormal

smell

or

smoke

is

detected

from

the

appliance,

immediately

turn

the

power

off

and

unplug

the

unit

from

the

wall

outlet

Contact

your

dealer

immediately.

18.

Damage

Requiring

Service

-

The

appliance

should

be

serviced

by

qualified

service

personnel

when;

A.

The

power-supply

cord

or

the

plug

has

been

damaged

or

B.

Objects

have

fallen,

or

liquid

has

spilled

into

the

appliance

or:

C.

The

appliance

has

been

exposed

to

rain

or;

D.

The

appliance

does

not

appear

to

operate

normally

or

exhibits

a

marked

change

in

performance

or:

E.

The

appliance

has

been

dropped

or

the

enclosure

damaged.

19.

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.

ENGLISH

Introduction

&

Installation

INTRODUCTION

Arcam’s

Alpha

series

of

amplifiers

is

designed

to

be

the

finest

sounding

range

of

hi-fi

amplifiers

currently

available

in

its

price

category.

The

latest

Alpha

7

and

8

models

feature

improved

output

circuit

protection

compared

with

their

predecessors.

They

may

also

be

upgraded

at

any

time

with

the

addition

of

the

matching

Alpha

8P

or

9P

power

amplifiers.

The

Alpha

7

amplifier

is

rated

at

40

watts

per

channel

into

8

ohms.

The

Alpha

8

and

8P

are

rated

at

50

watts

per

channel

into

8

ohms.

In

addition

the

Alpha

8's

volume

control

is

motorised,

allowing

it

to

be

operated

from

a

suitable

remote

control

handset

such

as

those

supplied

with

ail

Arcam

CD

players.

Arcam’s

“Handi-Remote”,

model

CR30

is

also

suitable.

This

is

available

as

an

optional

extra

from

your

Arcam

dealer.

For

the

above

reasons

no

handset

is

supplied

with

the

Alpha

8

amplifier.

This

manual

is

in

four

parts:

A.

This

section

has

information

relevant

to

both

the

Alpha

7,

8

and

Alpha

8P.

B.

Alpha

7/8

integrated

amplifier

operating

instructions.

C.

Alpha

8P

power

amplifier

operating

instructions.

D.

Instructions

on

how

to

bi-wire

or

to

bi-amplify

(“bi¬

amp”)

your

loudspeakers.

N.B.

Circled

numbers

e.g.

refer

to

items

on

the

diagrams

inside

the

flap

of

the

front

cover.

Section

A

INSTALLATION

O

Check

that

your

mains

supply

voltage

agrees

with

the

voltage

setting

indicated

on

the

rear

panel

of

the

unit.

■

If

your

mains

supply

voltage

is

different,

consult

your

Arcam

dealer

or

Arcam

Customer

Services

on

01223

203203.

MAINS

SAFETY

■

This

product

is

normally

supplied

with

a

moulded

mains

plug

already

fitted

to

the

lead.

If

for

any

reason

the

plug

needs

to

be

removed,

it

must

be

disposed

of

immediately

and

securely,

as

it

is

a

potential

shock

hazard

when

inserted

into

a

mains

socket.

■

Warning;

This

apparatus

must

be

earthed.

NOTICE

FOR

U.K.

OWNERS

ONLY

■

If

the

plug

is

removed

then

the

remaining

lead

must

be

rewired

as

follows:

■

The

blue

wire

must

be

connected

to

the

terminal

which

is

coloured

blue

or

marked

witti

the

letter

N.

■

The

brown

wire

must

be

connected

to

the

terminal

which

is

coloured

brown

or

marked

with

the

letter

L.

■

The

green

and

yellow

wire

must

be

connected

to

the

terminal

which

is

coloured

green

and

yellow,

or

marked

with

the

letter

E

or

the

safety

earth

symbol.

■

When

replacing

the

fuse

in

the

supplied

moulded

mains

plug,

the

integral

fuse

holder/cover

must

always

be

refitted.

Use

a

5

amp

fuse.

MAINS

SUPPLY

CONNECTIONS

Insert

the

lEC

line

socket

of

the

mains

lead

fully

into

the

power

inlet

on

the

rear

panel.

Connect

the

other

end

to

your

mains

supply.

Section

B

ALPHA

7

/8

INTEGRATED

AMPLIFIER

Please

refer

to

drawings

inside

front

cover.

LOUDSPEAKER

CONNECTIONS

■

Dependent

on

the

market

where

the

amplifier

is

intended

for

sale

it

may

be

fitted

with

either

“Camcon”

loudspeaker

connectors,

which

are

designed

to

meet

EU

safety

standards,

or

with

4mm

loudspeaker

sockets.

In

Europe

the

4mm

holes

will

have

been

blanked

off

in

order

to

comply

with

European

product

safety

regulations.

These

sockets

will

still

accept

bare

wire

or

pin

terminations.

The

“Camcon”

connector

will

accept

spade

terminals,

bare

wires

up

to

4mm

in

diameter

or

a

“Camcon”

plug.

“Camcon”

plugs

are

available

from

your

arcam

dealer.

/

■

Connect

your

loudspeakers

so

that

the

red

(positive;

terminal

on

each

loudspeaker

is

connected

to

the

appropriate

red

terminal

on

the

amplifier.

Your

loudspeaker

cables

may

be

clearly

terminated

to

show

polarity;

if

not,

then

the

positive

conductor

can

usually

be

identified

by

a

ridge

or

coloured

marking.

Ensure

that

no

stray

strands

are

allowed

to

touch

another

cable

or

the

amplifier's

casing.

This

can

cause

a

short

circuit

and

damage

your

amplifier!

@,O

SP1

-

DIRECT

CONNECTION

-

Connect

terminals

@

to

your

right

speaker

and

terminals

O

to

your

left

speaker

ensuring

correct

polarity.

ee

SP2

-

SWITCHED

CONNECTION

-

To

drive

a

second

pair

of

speakers,

connect

terminals

®

to

the

right

speaker

and

terminals

®

to

the

left

speaker,

ensuring

correct

polarity.

Push

the

SP2

button

in

to

listen

to

this

second

set

of

speakers.

To

listen

on

headphones

and

mute

the

loudspeakers

use

the

SP2

connection

and

release

the

SP2

button.

ENGLISH

■

Both

pairs

of

speakers

may

be

driven

simultaneously

provided

each

pair

is

rated

between

8

and

16

ohms.

To

avoid

overheating

the

combined

load

impedance

as

seen

by

the

amplifier

should

not

fall

below

4

ohms

per

channel.

CAUTION:

Your

Alpha

7/8

amplifier

generates

heat

when

in

use,

particularly

at

higher

volumes.

It

is

therefore

most

important

never

to

obstruct

the

ventilation

slots

on

the

unit

as

this

could

cause

overheating.

NOTE

ON

VOLUME

CONTROL

SETTINGS

It

is

important

to

point

out

that,

when

playing

a

heavily

recorded

CD,

it

is

possible

to

drive

the

Alpha

7/8

amplifier

at

full

power

despite

the

fact

that

the

volume

control

is

only

at

10

or

11

o'clock.

This

is

because

of

the

high

output

level

from

modem

CD

players.

However

the

Alpha

7/8

amplifier

also

has

to

be

capable

of

giving

full

power

output

from

much

lower

level

sources,

such

as

tuners

and

cassette

decks.

Using

these

sources,

the

volume

control

setting

will

be

much

higher

before

audible

overload

sets

in.

CONNECTING

YOUR

SOURCECOMPONENTS

■

Using

a

suitable

pair

of

interconnect

cables

to

connect

each

component,

insert

the

red

phono

plugs

into

the

sockets

labelled

'R'

and

the

other

phono

plugs

into

the

sockets

labelled

'L'.

All

of

the

line

inputs

(except

PHONO)

have

the

same

sensitivity

and

may

be

used

with

equipment

other

than

that

labelled,

If

you

need

to

do

so.

®

TAPE

RECORD

OUT

-

Connect

to

your

tape

deck's

input

(RECORD).

0

TAPE

PLAY

IN

-

Connect

to

your

tape

deck's

output

(PLAY).

VIDEO

-

Suitable

for

connecting

the

audio

outputs

of

an

Audio/Visual

product

such

as

a

VCR,

Laserdisc

player

or

Nicam

tuner.

TUNER

-

For

connecting

your

radio

tuner.

®

CD

-

For

connecting

your

CD

player

or

DAC.

©

AUX

-

For

connecting

any

unit

with

a

line

level

output,

eg.

tape

deck,

tuner

etc.

©

PHONO

-

For

connecting

a

turntable

fitted

with

a

moving

magnet

(MM)

or

high

output

moving

coil

(MC)

cartridge.

For

low

output

MC

cartridges,

ask

your

dealer

for

a

suitable

MC

pre-amplifier.

©

PHONO

/

LINE

SWITCH

(Alpha

8

only)

-

Converts

the

PHONO

input

to

an

extra

LINE

level

input.

Press

the

button

in

to

use

as

a

LINE

input

Press

and

release

the

button

(it

should

then

be

flush

with

the

rear

panel)

to

use

as

PHONO

input

©

GROUND

TERMINAL

-

For

connecting

your

turntable's

earth

lead

(if

fitted).

o

PREAMP

OUT

-

To

use

your

Alpha

7

or

8

as

a

pre¬

amplifier

connect

the

PREAMP

OUT

sockets

to

the

input

sockets

('power

amp

in’)

of

your

power

amplifier.

If

your

power

amplifier

is

an

Arcam

Alpha

8P

or

9P,

or

an

Arcam

Delta

290P,

this

may

also

be

used

in

conjunction

with

the

power

amplifiers

in

your

Alpha

7

or

Alpha

8

to

bi-amplify

suitable

loudspeakers.

OPERATION

©

REMOTE

RECEIVER

(Alpha

8

only)

-

This

is

housed

behind

the

badge

in

the

top

left

hand

comer

of

the

amplifier.

Ensure

the

remote

receiver

is

not

obscured

or

commands

from

the

remote

control

handset

will

not

be

received.

©

LISTEN

SELECTOR

-

Selects

the

input

you

wish

to

listen

to.

The

selected

input

signal

is

also

sent

to

the

TAPE

OUT

sockets

to

allow

the

signal

to

be

recorded,

assuming

you

have

a

tape

deck

connected.

©

TAPE

-

For

monitoring

a

recording

on

a

three

head

cassette

deck,

set

LISTEN

to

the

desired

input

and

press

TAPE.

Switching

between

'TAPE'

and

'SOURCE'

on

the

cassette

deck

allows

you

to

compare

the

original

source

with

the

recording.

To

listen

to

a

pre-recorded

tape,

press

TAPE.

This

will

override

the

LISTEN

selector.

©

VOLUME

-

Adjusts

the

volume

level

of

the

loudspeakers

and

headphones.

■

On

the

Alpha

8

only

the

volume

control

is

motorised

and

can

be

controlled

remotely

with

the

use

of

a

suitable

remote

control

handset,

such

as

those

supplied

with

Arcam

CD

players

or

ttie

Alpha

8

FM/AM

tuner

(see

section

on

OPERATION

BY

REMOTE

CONTROL

for

more

details).

©

DIRECT

-

Bypasses

bass,

treble

and

balance

controls

when

the

switch

is

depressed.

This

affects

all

inputs,

and

will

generally

give

a

small

improvement

in

sound

quality.

®

BASS

-

Rotate

clockwise

to

boost

the

bass

response

and

anti-clockwise

to

cut

the

bass

response.

For

a

flat

response

leave

in

the

central

'click'

position.

©

TREBLE

-

Rotate

clockwise

to

boost

the

treble

response

and

anti-clockwise

to

cut

the

treble

response.

For

a

flat

response

leave

in

the

central

'click'

position.

■

The

range

of

the

tone

controls

has

been

deliberately

limited

to

approximately

+/-

8dB

at

the

frequency

extremes.

ENGLISH

©

BALANCE

-

Rotate

clockwise

or

anti-clockwise

to

move

the

position

of

the

stereo

image.

This

may

be

necessary

if

it

is

not

possible

to

sit

centrally

between

the

speakers.

In

normal

use

leave

in

the

central

'click'

position.

©

SP2

-

Selects

or

defeats

the

loudspeakers

connected

to

the

terminals

marked

SP2.

The

main

pair

SP1

are

permanently

connected.

©

HEADPHONES

SOCKET

-

Accepts

headphones

rated

between

8

ohms

and

2k

ohms

fitted

with

a

6.3mm

stereo

jack

plug.

If

your

headphones

are

fitted

with

a

different

plug

contact

your

dealer

for

a

suitable

adaptor.

If

you

wish

to

listen

on

headphones

only,

connect

your

speakers

to

the

terminals

marked

SP2

and

release

the

SP2

switch

to

mute

the

speakers.

■

The

headphone

socket

is

always

switched

on,

irrespective

of

the

position

of

switch

©.

©

POWER

-

Switches

the

unit

on

and

off.

©

POWER

LED

-

This

will

initially

glow

amber.

After

a

few

seconds

it

will

glow

green.

When

the

LED

glows

amber,

frie

speakers

are

disconnected

and

an

internal

protection

circuit

is

activated.

■

If

ttiis

LED

glows

amber

during

normal

use

it

may

be

due

to

the

amplifier

overheating

or

an

output

overload.

Check

the

amplifier

is

properly

ventilated.

Switch

the

amplifier

off

and

wait

for

2-3

minutes

before

switching

on

again.

If

the

LED

continues

to

glow

amber,

switch

the

unit

off,

remove

all

the

speaker

cables

and

switch

on

again.

If

the

LED

goes

to

green

on

switch

on

then

check

the

speaker

and

speaker

cables

for

short

circuits

before

reconnecting

them.

If

the

LED

continues

to

glow

amber

with

no

speakers

connected

contact

your

Arcam

dealer.

OPERATION

BY

REMOTE

CONTROL

(ALPHA

8

ONLY)

■

The

Alpha

8

amplifier

is

not

supplied

with

a

remote

control

handset

but

is

remote

ready.

The

volume

up

and

down

functions

can

be

operated

by

the

remote

control

handsets

supplied

with

all

Arcam

CD

players.

It

may

also

be

possible

to

operate

this

function

if

your

CD

player

remote

control

handset

has

volume

up/down

buttons

and

uses

the

Philips

RC-5

remote

control

protocol.

■

The

Alpha

8

amplifier

can

also

be

muted

by

use

of

the

‘MUTE’

button

on

the

remote

control

handsets

supplied

with

the

Alpha

7,

8

and

9

CD

players.

The

POWER

LED

will

glow

amber

in

this

case

to

indicate

that

the

amplifier

has

been

muted.

Pressing

the

‘MUTE’

button

again,

or

either

of

the

volume

up/down

buttons

on

your

remote

handset

will

cancel

the

MUTE

function.

Section

C

ALPHA

8P

POWER

AMPLIFIER

The

Alpha

8P

power

amplifier

can

be

used

in

conjunction

with

an

Alpha

7

or

8

integrated

amplifier

to

bi-amplify

loudspeakers

that

offer

two

sets

of

input

connections

i.e.

are

biwireable.

The

Alpha

8P

can

also

be

used

with

a

preamplifier

or

an

AV

processor

or

amplifier

with

power

amp

out

sockets.

MAINS

CONNECTIONS

Connect

up

as

per

instructions

for

the

Alpha

7

and

8

integrated

amplifier.

LOUDSPEAKER

CONNECTIONS

Connect

up

as

per

instructions

for

Alpha

7

and

8

integrated

amplifier.

CONNECTING

TO

YOUR

SOURCE

EQUIPMENT

©

PWR

AMP

IN

-

Connect

to

your

pre-amplifier

outputs

or

the

PREAMP

OUT

sockets

of

a

Delta

290

or

Alpha

7,

8

or

9

amplifier.

®

MONO

LINK-

The

Alpha

8P

can

be

connected

to

provide

two

mono

loudspeaker

outputs

from

a

single

input.

Using

the

U-link

©

supplied,

connect

the

MONO

LINK

sockets

©together.

Utilising

one

Alpha

8P

per

loudspeaker

in

this

manner

will

allow

bi-amplifying

of

biwireable

loudspeakers.

This

is

particularly

beneficial

for

top

quality

stereo

installations

with

a

separate

pre-amplifier,

or

for

the

left,

centre

and

right

channel

loudspeakers

in

a

five

speaker

Dolby

Pro

Logic

system.

Contact

your

Arcam

dealer

for

more

detailed

information.

■

Daisy

Chain

-

The

Alpha

8P

is

capable

of

driving

further

Alpha

8P

amplifiers

(or

any

other

power

amplifier),

to

drive

more

speakers

(eg.

those

in

other

rooms

or

tri-amplified

speakers

etc).

Connect

the

extra

power

amplifier

inputs

to

the

MONO

LINK

outputs

©

left

to

left,

right

to

right.

FRONT

PANEL

©

SP2

-

Selects

or

defeats

the

loudspeakers

connected

to

the

terminals

marked

SP2.

The

main

pair

SP1

are

permanently

connected.

©

HEADPHONES

SOCKET

-

Accepts

headphones

rated

between

8ohms

and

2k

ohms

fitted

with

a

6.3mm

stereo

jack

plug.

If

your

headphones

are

fitted

with

a

different

plug

contact

your

dealer

for

a

suitable

adaptor.

■

The

headphone

socket

is

always

switched

on,

irrespective

of

the

position

of

switch

©.

®

POWER

-

Switches

the

power

on

and

off.

®

POWER

LED

-

This

will

initially

glow

amber.

After

a

few

seconds,

it

will

glow

green.

When

the

LED

glows

amber,

the

speakers

are

disconnected

and

an

internal

protection

circuit

is

activated.

■

If

this

LED

glows

amber

during

normal

use

it

may

be

due

to

the

amplifier

overheating

or

an

output

overload.

Check

the

amplifier

is

properly

ventilated.

Switch

the

amplifier

off

and

wait

for

2-3

minutes

before

switching

on

again.

If

the

LED

continues

to

glow

amber,

switch

the

unit

off,

remove

all

the

speaker

cables

and

switch

on

again.

If

the

LED

goes

to

green

on

switch

on

then

check

the

speaker

and

speaker

cables

for

short

circuits

before

reconnecting

them.

If

the

LED

continues

to

glow

amber

with

no

speakers

connected

contact

your

Arcam

dealer^__

Section

D:

BI-WIRING/BI-AMPING

INSTRUCTIONS

Many

modern

loudspeakers

are

equipped

with

four

connection

terminals.

This

provides

direct

access

to

the

high

frequency

and

low

frequency

filter

networks

and

associated

drive

units

within

the

loudspeaker.

Overall

performance

can

be

enhanced

by

making

use

of

these

separate

connections.

WARNING:

Do

not

make

any

connections

to

your

amplifier

while

it

is

switched

on

and

connected

to

the

mains

supply.

Please

check

all

connections

thoroughly

before

attempting

to

re-connect

the

mains

power

supply.

Always

ensure

that

the

volume

control

on

your

amplifier

is

set

to

a

minimum

before

switching

on.

BI-WIRING

Bi-wiring

uses

four

conductors,

one

for

each

terminal,

to

enhance

dramatically

the

performance

of

your

loudspeakers.

Bi-wiring

eliminates

the

signal

distortion

arising

from

the

low

and

high

frequency

currents

interacting

with

one

another

within

a

single

cable,

as

used

in

conventionally

wired

systems.

HOW

TO

BI-WIRE

YOUR

LOUDSPEAKERS

1.

Remove

the

shorting

links

from

each

of

the

red

and

black

terminal

pairs

on

the

rear

of

your

loudspeakers.

2.

You

will

need

two

lengths

of

loudspeaker

cable

per

loudspeaker

(which

may

be

joined

at

the

amplifier

end)

or

a

suitably

terminated

cable

set

capable

of

being

used

for

bi-wiring

in

one

length.

3.

Connect

the

cables

as

per

one

of

the

diagrams

opposite,

dependant

on

your

cable

wiring,

ensuring

correct

polarity

at

all

times.

The

positive

(+)

connections

on

the

right

loudspeaker

must

go

to

tiie

positive

(+)

connections

on

the

right

channel

of

the

amplifier

and

the

negative

(-)

connections

on

the

right

loudspeaker

must

go

to

the

negative

(-)

connections

on

the

right

channel

of

the

amplifier

etc.

ENGLISH

BI-AMPING

The

performance

of

your

system

can

be

further

enhanced

over

that

achieved

with

bi-wiring,

by

extending

the

same

principal

one

stage

further

to

include

separate

amplification

for

the

low

and

high

frequency

speaker

drive

units

as

well

as

separate

loudspeaker

cables.

This

is

known

as

biamplifying,

or

bi-amping

for

short.

To

implement

bi-amping

therefore

requires

four

amplification

channels.

In

practice

this

is

done

by

using

two

stereo

amplifiers;

when

one

of

these

is

an

integrated

amplifier

it

is

best

to

use

this

drive

the

high

frequency

(HF)

units

whilst

the

outboard

power

amplifier

is

used

to

drive

the

low

frequency

(LF)

units.

We

recommend

you

use

one

of

the

following

combinations

for

the

optimum

price/performance

ratios:

Alpha

7

(HF)

plus

Alpha

8P

(LF)

Alpha

8

(HF)

plus

Alpha

8P

(LF)

Alpha

8

(HF)

plus

Alpha

9P

(LF)

It

is

also

possible

to

substitute

an

Arcam

Delta

290P

amplifier

for

the

Alpha

9P

as

their

sensitivities

are

identical.

HOW

TO

SET

UP

A

BI-AMPED

SYSTEM

1.

R

emove

the

shorting

links

from

each

of

the

red

and

black

terminal

pairs

on

the

rear

of

your

loudspeakers.

THIS

IS

ESSENTIAL

OR

DAMAGE

TO

YOUR

AMPLIFIERS

MAY

RESULT

WHICH

IS

NOT

COVERED

UNDER

WARRANTY.

2.

You

will

need

two

lengths

of

loudspeaker

cable

or

a

suitably

terminated

cable

capable

of

being

used

for

bi¬

wiring

in

one

length

and

one

stereo

amplifier

per

frequency

band.

3.

Connect

your

system

as

per

the

diagram

opposite

ensuring

correct

polarity

at

all

times.

The

positive

(+)

connections

on

the

loudspeaker

must

go

to

the

positive

(+)

connections

on

the

amplifier

and

the

negative

(-)

connections

on

the

right

loudspeaker

must

go

to

the

negative

(-)

connections

on

the

right

channel

of

the

amplifier

etc.

You

also

need

to

make

a

connection

from

the

preamp

out

sockete

of

your

integrated

amplifier,

or

preamplifier,

to

the

power

amp

in

sockets

of

the

power

amp.

ADDING

AN

ALPHA

8P

TO

AN

EXISTING

ALPHA

7

OR

8

INTEGRATED

AMPLIFIER

If

you

are

using

an

Alpha

7

or

8

amplifier,

an

Alpha

8P

can

be

added

to

bi-amplify

a

pair

of

biwireable

loudspeakers.

This

will

reap

substantial

improvements

in

sound

quality

if

the

following

advice

is

observed.

■

Always

switch

on

the

integrated

amplifier

and

allow

it

to

stabilise

(indicator

light

turns

green)

before

switching

on

the

Alpha

8P.

■

The

integrated

amplifier

and

Alpha

8P

power

amplifier

are

placed

on

separate

shelves.

BI-AMPING

YOUR

LOUDSPEAKERS

T'

+OLF(g)

INTEGRATED

AMPLIFIER

-O

(Q)

o

(HFCO)

I

+OLF

POWER

AMPLIFIER

ENGLISH

(Stacking

the

units

on

top

of

each

other

will

reduce

the

sound

quality

slightly.

It

will

also

reduce

ventilation

and

consequently

the

continuous

power

handling

capability).

■

The

existing

integrated

amplifier

should

be

used

to

drive

the

loudspeakers'

HF

(high

frequency

or

treble)

units.

The

new

Alpha

8P

is

utilised

for

the

LF

(low

frequency

or

bass)

drivers,

as

shown

in

the

wiring

diagram

below.

■

At

the

end

of

a

listening

session

the

Alpha

8P

should

always

be

turned

off

first.

■

High

quality

interconnect

cables

should

be

used

between

the

integrated

amplifier

and

Alpha

8P.

■

The

use

of

high

quality

interconnect

and

speaker

cables

in

your

system

is

essential

to

obtain

good

sound

quality.

Contact

your

dealer

for

further

details.

Note:

The

second

set

of

speaker

terminals

(SP2)

on

both

units

can

be

used

to

drive

extra

loudspeakers

in

other

rooms

provided

the

impedance

of

these

is

8

ohms

or

more.

■

WARNING

-

Ensure

that

the

TERMINAL

LINKS

ARE

REMOVED

from

your

biwireable

loudspeakers

before

switching

on

the

amplifiers.

Failure

to

do

this

could

cause

damage

to

one

or

both

amplifiers

and

this

is

not

covered

under

the

warranty.

SAFETY

STANDARD

■

These

products

have

been

designed

to

meet

the

lEC

65

international

electrical

safety

standard.

ENGLISH

GUARANTEE

FOR

UK

SALES

This

equipment

is

guaranteed

for

two

years

from

the

date

of

purchase

(parts

and

labour

only),

provided

that

it

was

originally

purchased

from

an

authorised

dealer

under

a

consumer

sale

agreement.

(The

words

"consumer

sale"

shall

be

construed

in

accordance

with

Section

15

of

the

Supply

Of

Goods

[Implied

Terms]

Act

1973).

The

manufacturer

can

accept

no

responsibility

for

defects

arising

from

accident,

misuse,

abuse,

wear

and

tear,

neglect

or

through

unauthorised

adjustment

and/or

repair,

neither

can

they

accept

responsibility

for

damage

or

loss

occurring

during

transit

to

or

from

the

person

claiming

under

this

guarantee.

This

guarantee

is

applicable

within

the

UK

only.

It

is

transferable

to

subsequent

purchasers,

but

the

liability

of

the

manufacturer

is

limited

to

the

cost

of

repair

of

the

defective

parts

and

under

no

circumstances

extends

to

consequential

loss

or

damage.

Claims

under

this

guarantee

This

equipment

should

be

packed

in

the

original

packing

and

returned

to

the

dealer

from

whom

it

was

purchased,

or

failing

this,

directly

to

Arcam.

It

should

be

sent

carriage

prepaid

by

a

reputable

carrier

-

NOT

by

post.

No

responsiblity

can

be

accepted

for

the

unit

whilst

in

transit

to

the

factory,

or

an

agent,

and

customers

are

therefore

advised

to

insure

the

unit

against

loss

or

damage

whilst

in

transit.

If

the

original

packing

is

not

available,

replacement

packing

can

be

purchased

from

Arcam.

DO

NOT

CONSIGN

THE

EQUIPMENT

TO

ARCAM

UNLESS

YOU

HAVE

BEEN

SPECIFICALLY

REQUESTED

TO

DO

SO

BY

THE

CUSTOMER

SERVICE

DEPARTMENT.

DO

NOT

UNDER

ANY

CIRCUMSTANCES

ATTEMPT

TO

DISASSEMBLE

THE

EQUIPMENT

BEFORE

DESPATCH.

You

can

contact

the

manufacturer

at

the

following

address;

ARCAM

Customer

Service

Department,

Pembroke

Avenue,

Denny

Industrial

Centre,

Waterbeach,

Cambridge,

CBS

9PB,

England.

Telephone;

+44

(0)1223

203203

Fax;

+44

(0)1223

863384

e-mail

[email protected]

You

should

state

clearly

your

name

and

address,

the

date

and

place

of

purchase

together

with

a

brief

description

of

the

fault.

In

the

event

of

equipment

being

returned

which,

after

having

been

tested,

is

found

to

comply

with

the

published

specification,

the

manufacturer

reserves

the

right

to

charge

a

reasonable

fee

for

testing

the

equipment

and

for

the

return

carriage.

THIS

GUARANTEE

IN

NO

WAY

VARIES

OR

REMOVES

A

PURCHASER’S

STATUTORY

RIGHTS.

GUARANTEE

FOR

SALES

IN

THE

EUROPEAN

ECONOMIC

COMMUNITY

(EEC)

This

unit

is

covered

by

a

European

Economic

Community

warranty.

This

entitles

you

to

have

the

unit

repaired

free

of

charge,

during

the

first

year

after

purchase,

at

any

authorised

Arcam

distributor

within

the

EEC,

provided

that

it

was

purchased

from

an

authorised

ARCAM

dealer

or

distributor

within

th<

EEC.

The

manufacturer

can

accept

no

responsibility

for

defects

arising

from

accident,

misuse,

abuse,

wear

and

tear,

neglect

or

through

unauthorised

adjustment

and/or

repair,

neither

can

they

accept

responsibility

for

damage

or

loss

occurring

during

transit

to

or

from

the

person

claiming

under

this

guarantee.

Countries

of

the

European

Economic

Community

are;

Belgium,

Holland,

Luxembourg,

Greece,

Germany,

France,

Spain,

Portugal,

Eire,

Italy,

Austria,

Denmark,

Sweden,

Great

Britain

and

Finland.

This

includes

the

Canary

Islands,

the

Channel

Islands,

the

Isle

of

Man,

Corsica

and

Sardinia.

This

warranty

remains

in

force

for

one

year

from

the

date

of

purchase

as

long

as

the

unit

remains

in

free

circulation.

Units

exported

from

the

EEC

and

subsequently

re-imported

are

not

subject

to

this

warranty.

CLAIMS

UNDER

GUARANTEE

This

equipment

should

be

packed

in

the

original

packing

and

returned

to

the

dealer

from

whom

it

was

purchased,

or

failing

this,

directly

to

the

Arcam

distributor

in

the

country

of

residence.

It

should

be

sent

carriage

prepaid

by

a

reputable

carrier

-

NOT

by

post.

No

responsiblity

can

be

accepted

for

the

unit

whilst

in

transit

to

the

dealer

or

distributor

and

customers

are

therefore

advised

to

insure

the

unit

against

loss

or

damage

whilst

in

transit.

For

further

details

contact

Arcam.