Bose 151 User manual

BOSE®

151®

ENVIRONMENTAL

SPEAKERS

OWNER’S GUIDE

AM171297_09_V.pdf July 15, 2003

Table of contents

How and where to use

Bose®151 speakers ................................. 3

Decide where you

want the speakers ................................. 4

Unpack the speakers ............................ 5

How to hook up Bose 151 speakers ....... 5

Choose the speaker cord ...................... 5

Use the cord properly ........................... 6

Make the connections ........................... 6

Check the connections ......................... 7

Test the connections ............................. 7

Accessories ............................................. 8

How to maintain

Bose 151 speakers .................................. 8

Protect the connections ........................ 8

How to clean the speakers .................... 8

How to check out problems .................. 9

Warranty period .................................... 9

For information .................................... 10

Technical information ........................... 11

Customer information

The serial numbers on my 151®speakers

are:

and

I purchased them on:

from:

Retailer

Address

City State Zip

Telephone

AM171297_09_V.pdf July 15, 2003

How and where to use

Bose 151speakers

Bose 151 speakers are designed to meet

the challenges of year-round outdoor use.

They can deliver Bose quality sound to

areas where you work, play, and relax

outside. From potting shed to workshop,

patio to poolside, they will extend your

musical pleasure. You can even install 151

speakers on board your boat.

You may also use these speakers indoors, in

areas where high humidity is common, such

as an indoor pool area or bathroom.

Once you decide where you will use your

151 speakers, consider the optional all-

weather mounting and installation accesso-

ries from Bose. (Refer to “Accessories” on

page 8.)

Thank you for purchasing Bose®151®

environmental speakers. Their propri-

etary Bose technologies and all-weather

construction offer you listening enjoy-

ment both indoors and out.

AM171297_09_V.pdf July 15, 2003

If you place your 151®speakers outdoors,

you will probably connect them to an

amplifier or receiver that is inside.

Note:

You may want to consult an electrical

installer who can route wires underground

or through walls if necessary.

Whether you mount them inside or out,

consider the following:

•Measure the length of speaker cords you

need to connect each speaker to your

receiver or amplifier. To determine the

wire gauge you will need, refer to the wire

gauge recommendations under “Techni-

cal information”on page 10.

•It is important that the speaker cord not

be tripped over, pinched, or pulled.

Determine the best route to protect the

wire.

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Length of wall

1/6

length

of wall

Figure 1

Place one speaker one-sixth of the way from each end of the wall.

Decide where you

want the speakers

For best results, mount both speakers on the

same wall, facing the listening area. Make

sure they do not face each other. (Outdoors,

if you are not using an existing wall, con-

sider the length of your listening area as

your “wall.”)

Measure the length of the wall and divide

that length by six. Place one speaker one-

sixth the length from the left end of the wall.

Place the other speaker one-sixth the length

from the right end (see Figure 1).

AM171297_09_V.pdf July 15, 2003

•Regardless of where you place your

speakers, make sure they cannot fall and

cause injuries. See “Accessories”on

page 8.

•Bose 151®speakers are not magnetically

shielded. Keep them at least 9 inches

(23 cm) from any video screen or

monitor.

Note:

Magnets in the speakers will affect a

boat compass. Consider this in choosing a

speaker location, or make sure to correct for

this deviation.

•On a boat, you can surface mount the

speakers or mount them flush to the

bulkhead. (Refer to “Accessories”on

page 8.)

Note:

To flush-mount 151 speakers in a

boat, you must cut a hole in the bulkhead for

each speaker. You may want to consult a

marine electronics installer (employed by

most boat yards) before cutting any holes.

Unpack the speakers

Unpack each speaker carefully. Save the

carton and packing materials for possible

later use. If either speaker appears dam-

aged, do not operate either one. Repack

both speakers in the original carton and

notify your authorized Bose dealer immedi-

ately.

How to hook up Bose®

151 speakers

CAUTION:

Before making any connections,

turn off your receiver or amplifier and unplug

it from the outlet (the AC power mains).

Choose the

speaker cord

Be sure to use the proper gauge (thickness)

of speaker cord. Standard zip cord (2-

conductor, 18-gauge wire found at electrical

and hardware stores) works for most

applications. If your speakers will be more

than 30 feet (9 m) from the receiver or

amplifier, see the wire recommendations

under “Technical information”on page 10.

Or check with your authorized Bose dealer.

If you decide to run the speaker cord

through a wall or underground, check your

local building code requirements, or contact

an electrical installer before proceeding.

Note:

Be sure to cut enough cord to reach

from the receiver to each speaker.

AM171297_09_V.pdf July 15, 2003

Figure 2

Insert the bare wire end into the opening on the terminal post.

Use the cord properly

Speaker cord consists of two insulated

wires. The insulation around one wire is

striped, collared, or ribbed. This marked

wire is always positive (+). The plain wire is

always negative (–). These correspond to

the red (+) and black (–) terminals on the

back of the speaker, receiver, or amplifier.

Be sure to connect each wire to the proper

terminal (positive to positive, negative to

negative).

•Prepare the ends of each cord

At the ends of each cord, strip approxi-

mately 1/2 inch (12 mm) of insulation from

both wires. Twist the bare ends of each wire.

•Connect the cords to your speakers

At the back of your speaker, unscrew the

hex knob on one terminal post. This reveals

a small opening through the post. Insert the

bare end of one wire into the opening.

Tighten the knob to secure the wire. Now

insert the second wire into the second

terminal post (see Figure 2).

•Protect the cord

To guard against weather wear on exposed

wires, see “How to maintain Bose®151®

speakers”on page 8.

Make the connections

1. Connect the first cord to the left channel

of your receiver or amplifier.

a. Attach the marked wire at one end to

the red (+) terminal.

b. Attach the plain wire at that end to the

black (–) terminal.

2. Connect the other end of the same cord

to your left speaker.

a. Attach the marked wire to the red (+)

terminal post.

b. Attach the plain wire to the black (–)

terminal post.

3. Connect the second cord to the right

channel and right speaker, following the

same procedure.

AM171297_09_V.pdf July 15, 2003

® ®

Figure 3

Test the connections

To make sure your speakers operate

correctly:

1. Set your receiver or amplifier for MONO

(monophonic) and turn it on. Set the

balance control to normal (centered).

2. Place the speakers less than 6 inches

(15 cm) apart, facing each other.

3. Play some deep bass passages of

music through the speakers.

The sound should seem to come from a

point between the two speakers. The bass

should be full and natural. If not, your

connections may be out of phase. Reverse

the connections on the back of one speaker.

Then repeat steps 1 –3.

Receiver

or Amplifier

Check the

connections

Check the speaker and receiver or amplifier

connections carefully. Make sure no loose

strands of wire touch across terminals. This

could create short circuits that can damage

an amplifier or receiver.

Tighten any loose connections before you

plug in the receiver or amplifier.

AM171297_09_V.pdf July 15, 2003

How to maintain Bose®

151 speakers

Protect the

connections

The bare wire ends of the speaker cord can

be affected by exposure to the elements.

This is especially true of salt water expo-

sure.

You may use a silicone caulking material,

such as RTV adhesive, to protect the

connections. It is commonly available at

hardware stores. If you do use caulking,

apply it only after the wires are connected

and the knobs tightened down. Check the

caulking annually, and re-apply as needed.

How to clean the

speakers

Use a cloth dampened in mild detergent

and water to remove dust or dirt from the

outside of your 151 speakers. Or use a hose

to rinse them thoroughly with fresh water. Do

not use enough pressure to force water

behind the grille and into the driver or the

acoustic port.

Accessories

Bose Model SM-1 outdoor surface-mount

brackets give sturdy support to 151®

speakers attached to a shelf, wall, ceiling,

roof overhang, or boat. You can mount the

brackets horizontally or vertically, and

change the angle to direct the sound.

Bose FM-1 outdoor flush-mount brackets

securely anchor 151 speakers to the

bulkhead of a boat. These brackets install

through the bulkhead surface, so only the

speaker face and bracket trim are exposed.

To order these brackets, or for more

information about them, contact your

authorized Bose retailer, or to contact Bose

directly, see “Bose Corporation”on page

63.

AM171297_09_V.pdf July 15, 2003

•If the speaker plays, the problem is in the

original cord that was connected to that

speaker.

•If the speaker does not play, the problem

is in that channel of the receiver.

If the above solutions fail to solve your

problem, contact your authorized Bose®

dealer to arrange for service, or to contact

Bose directly, see “Bose Corporation”on

page 63. Bose Corporation will make every

effort to resolve the problem, within the

terms of your warranty .

Warranty period

Bose 151 environmental speakers are

covered by a limited five-year transferable

warranty.

Details of coverage are on the warranty card

that came with your speakers. Please fill out

the information section, detach, and mail it

to Bose.

How to check out

problems

If you have any problems with your 151®

environmental speakers, the suggestions

below may save you a call for service.

If neither speaker plays

•Check the settings on your receiver or

amplifier. Refer to the owners guide that

came with it for instruction on settings.

If the bass or treble is weak

•Check the tonal balance setting on your

receiver or amplifier.

If only one speaker plays

•Check the balance control on your

receiver or amplifier.

•Check the wires connected to the

speaker that does not play. Make sure

the wires are in good condition and are

firmly connected. Review the “Hook up

your speakers”section on page 5.

If one speaker still does not play

Disconnect the wires from the speaker and

the receiver or amplifier. Disconnect the

other cord from its speaker, and connect

that end of the cord to the speaker that

doesn’t play.

•If the speaker still doesn’t play, the

problem is in the speaker.

•If the speaker now plays, continue

checking for the source of the problem.

Disconnect the same cord from the amplifier

or receiver. Connect it to the other outputs

on the amplifier or receiver.

AM171297_09_V.pdf July 15, 2003

Technical information

Protective features

•Nickel-plated brass connection terminals

•Syncom®computer quality control

Driver complement

•One (1) 4.5" (11.4 cm) full-range environ-

mental driver per speaker

Enclosure

•Dual-port molded polypropylene

•Black or white

Dimensions

•6.1"H x 9.1"W x 5.9"D

(15.5 x 23.1 x 14.9 cm)

Compatibility

•Rated 40W IEC power handling; rated

4 ohms. Compatible with amplifiers or

receivers rated 10-80 watts per channel

Conditioned

•Designed to withstand:

–salt fog, sun, high humidity (100%RH)

–temperature extremes (-22 to 140°F;

-30°to 60°C)

–vibrations, mechanical shock

Wire recommendations

•Based on a maximum frequency response

deviation of ±0.5 dB/

Gauge Length

18 (0.75 mm2) 30 ft (9 m) maximum

16 (1.5 mm2) 45 ft (14 m) maximum

14 (2.0 mm2) 70 ft (21 m) maximum

Weight

•9.5 lb (4.3 kg) per pair, in the carton

AM171297_09_V.pdf July 15, 2003

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