Bose 901 Series II Owner's guide - Page 15

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B.

The

Speaker

Dimensions:

20-9/16"

W

x

12-3/4"

H

x

12-7/8"

D

Weight:

33

pounds

Nominal

Impedance:

8

ohms

C.

Percentages

of

Direct

and

Reflected

Sound

Radiation

Power

radiated

by

reflection:

89%

Power

radiated

directly:

11%

(Design

percentages

based

on

concert

hall

acoustics)

D.

Power

Handling

Continuous

sine

wave

power

at

any

frequency:

50

watts

Minimum

recommended

amplifier

power:

25

watts

rms

per

channel

into

8

ohms

Peak

power

handling

ability

(less

than

five

seconds!:

400

watts

Maximum

recommended

amplifier

power

for

speech

and

music:

270

watts

rms

into

8

ohms

E.

Damping

Factor

Any

amplifier

with

a

damping

factor

of

40

or

higher

meets

the

requirements

of

the

901.

(The

wire

size

recommenda-

tions

of

Table

1

on

Page

4

must

be

followed.)

F.

Driver

Complement

Each

unit

contains

9

high

-compliance

full•range

drivers

with

high

energy

magnets

to

allow

large

excursions

without

audible

distortion

on

any

program

material.

The

drivers

are

acoustically

coupled

to

eliminate

audible

resonances.

Nominal

driver

diameter:

4.1/2"

Maximum

driver

excursion:

+1/4"

Nominal

driver

impedance:

8

ohms

Weight

of

each

ceramic

magnet:

9.6

ounces

G.

The

Active

Equalizer

Dimensions:

2.13/16"

H

x

9.1/4"

W

x

63/4"

0

Input

Impedance:

150k

ohms

Output

Impedance:

less

than

100

ohms

Minimum

Load

Impedance:

5k

ohms

Maximum

Output

Voltage:

4.0

volts

Maximum

Gain:

18

d8

at

35

Hz.

VII.

ACCESSORIES

AND

OPTIONS

WALNUT

FACINGS

The

BOSE

901

is

available

with

walnut

facings,

to

provide

the

rich

look

of

walnut

grain

around

the

entire

cabinet.

The

small

grille

panel

on

each

speaker

front

allows

a

choice

of

fabrics.

Walnut

facings

are

available

as

a

separate

add-on

kit

and

are

not

intended

for

use

with

the

901

Continental.

PEDESTALS

Specially

designed

pedestals

are

available

for

the

901.

They

are

18

inches

high,

and

available

in

either

white.

black

or

chrome.

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15

Bose 901 Series II Owner's guide - Page 15

Accessories, Options

Page 15 highlights