Bose 901 Series II Owner's guide - Page 5

FIG.2

Start

with

the

Part

1

portion

of

your

901

system.

Place

it

on

the

left

side

of

your

room.

Connect

this

left

speaker

to

the

left

channel

speaker

output

terminals

of

your

amplifier

or

receiver.

(If

there

is

a

choice

of

impedances

on

the

amplifier

output,

use

the

terminal

marked

"8Q"

or

"8

OHMS".)

•

Connect

the

"COM"

terminal

on

the

left

speaker

to

the

"COM"

terminal

on

the

left

channel

output

of

your

receiver

or

amplifier

output.

Connect

the

"8

OHMS"

terminal

on

the

left

speaker

to

the

"8

OHMS"

ter•

minal

on

the

left

channel

amplifier

output.

Connect

the

right

speaker

(Part

2)

in

the

same

manner

to

the

right

channel

amplifier

outputs

(See

Fig.

2).

Because

of

the

differing

terminology

which

various

manufacturers

use

on

their

receivers

and

amplifiers,

we

have

provided

the

chart

below

to

assist

you

in

identifying

the

proper

connection

points.

STANDARD

RECEIVER/AMPLIFIER

TERMINAL

MARKINGS

"COMMON"

Terminal

"COM"

"8

OHMS"

Terminal

"812"

also

known

as

also

known

as

"Hot"

or

"Ground"

or

"Positive"

(

4

-1

"Negative"

(-1

If

stranded

wire

is

used,

be

sure

that

the

loose

strands

do

not

touch

or

short•out

the

speaker

or

amplifier

terminals.

Also

make

certain

that

all

amplifier

and

speaker

terminals

are

tightened

securely.

•

If

two

pairs

of

901s

are

being

connected

in

parallel

,

the

terminal

marked

"41

.

2"

or

"4

ohms'

on

the

receiver

or

amplifier

should

be

used.

(See

Section

IV

E.)

3.

FUSING

YOUR

901

SPEAKERS

Any

loudspeaker

is

subject

to

damage

if

the

amplifier

powering

it

should

fail.

The

use

of

a

fast

acting

fuse

in

series

with

each

speaker

will

minimize

the

possibility

of

serious

damage

to

your

speakers.

80SE

Corpo-

ration

recommends

the

use

of

a

3

-ampere

fuse,

such

as

a

BUSS

AGC

3

or

a

LITTELFUSE

3

AG

(3

amp).

The

fuse

should

be

connected

in

series

with

either

of

the

two

wires

in

the

cable

to

each

speaker.

A

fuse

holder,

like

a

BUSS

3833.1

or

a

LITTELFUSE

356001,

may

be

used

for

convenience.

(For

two

pairs

of

BOSE

901s.

use

two

6

-ampere

fuses.)

C.

CONNECTING

THE

EQUALIZER

THIS

PART

OF

THE

INSTALLATION

DIFFERS

FROM

THAT

OF

CONVENTIONAL

SPEAKER

SYSTEMS.

BE

CERTAIN

TO

FOLLOW

THE

INSTRUCTIONS

GIVEN

BELOW,

STEP

BY

STEP.

1.

PREFERRED

METHOD

(Using

The

Tape

Monitor

Circuit)

To

provide

the

proper

balance

at

all

frequencies,

the

901

Active

Equalizer

must

be

connected

in

your

sound

5

Bose 901 Series II Owner's guide - Page 5

Standard, Receiver/amplifier, Terminal, Markings

Page 5 highlights