Bose Virtually Invisible 791 Speakers Installation Manual

Installation Guide

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SAFETY

INFORMATION

Important

Please read this owner's guide

Then carefully

taking the precautions referred

If

you have

If

you have

contact

electrician,

describe the

to

~

WARNING: Installation shall be

~

WARNING: Installation shall be

section

National

methodandcompartment shall be such

methodand compartment shall be such

operation

A CAUTIONS:

• Failure to follow the instructions in this owner's guide voids all

• These speakers are

either the dealer you purchased the

installation service.

of

the National Electrical Code, ANSI/NFPA

of

the National Electrical Code, ANSI/NFPA

Fire

of

warranties on

installation in walls, in ceilings

productisnot

• This

Spaces.

• Consult local building codes before you

installation.

product

• See

• Make no modifications

Unauthorized alterations maycompromise safety, regulatory

compliance,

•

Be

sure to keep all insulation away from speakers in

•

Be

sure to keep all insulation away from speakers in

accordance with the installation instructions in this guide.

words

consider

doubts

or

a professional

or

a professional

job

Alarm Code, ANSI/NFPA

the speaker.

enclosures

and

your

about

and request a

your

speakers.

your

speakers.

not

intended for use in Air-Handling Plenum

system performance.

of

completely

experience using the

to

doing

this installation, you should

doing

this installation, you should

audio/video

cost

in

designedorrecommended for

for

safety-related markings.

for

safety-related markings.

to the speakers

caution

before you start.

tools

here.

installer. You can

estimate before

accordance with the applicable

72,

as applicable.

72,

as applicable.

as not to interfere with the

of

masonry,orin drop ceilings.

of

masonry,orin drop ceilings.

or

tools

product

committing

70,

get

started with this

get

started with this

accessories.

from, an

and/or the

and

The

wiring

Mount

similar

Each speaker requires a round

diameter,

wallboard

Bose

or

similar ceiling

or

similar ceiling

found

are specifictothis

Important

1. Read these instructions -

2. Keep these instructions -

3. Heed all warnings - on the

4. Follow all instructions.

5. Install

6. Only use attachments/accessories specified by the

For

Serial numbers are located on the rearofeachofyour

Invisible®

Serial numbers: _

Dealer name:

Dealer phone:

Purchase date: _

We

together

these

construction

plusaminimum

that

recommends

in

2 x 6 construction. These installation

in

2 x 6 construction. These installation

product.

this

in

accordance with the manufacturer's instructions.

in

accordance with the manufacturer's instructions.

manufacturer.

your

791

suggest

you keep

with this

speakers

only

spaceof8

of

4'/8 in. (10.5 cm)

of

is a

maximum

is a

maximum

installing these speakers only in

construction

typeofinstallation only.

safety

records

speakers.

owner's

4'/8 in. (10.5 cm)

of

3/

of

3/

4

with adequately

instructions

for

product

your

sales receipt and warranty card

your

sales receipt and warranty card

guide.

in

wood

in

wood

5

/a

in. (21.9 cm)

/a

in. (21.9 cm)

of

depth

of

in. (1.9 cm) thick.

all

components

all

components

future reference.

and in the

depth

spaced

guide

frame

behind

wood

frame

wood

frame

studs, as

instructions

before using

owner's

Virtually

or

guide.

VIRTUALLY INVISIBLE is a registered trademarkofBose

ii

Corporation in the U.S.

and

other

countries.

Basic

The instructions on the pages that follow will help you

complete each

Step

Choose approximate locations

speaker.

Step

Observe the cautions and use the template

for precise placement.

Step

Cut the hole

Step

Wire each speaker.

Step

Insert and secure the speaker in the ceiling.

Step

Test each speakertomake sure it works.

1:

2:

3:

4:

5:

6:

steps

of

the steps below.

of

the steps below.

for

each speaker.

for

each speaker.

to

installation

to

installation

for

each

OVERVIEW

PREPARATION 2

Before you begin... . . . . . . . . . . . . . . . . . . . . . . . . 2

Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Other equipment you will need . . . . . . . . . . . . . 2

in

your

in

If painting is

Selecting speaker cable 3

Preparing the cable wires 3

guidelines.

Placement

Using the arrow as a guide . . . . . . . . . . . . . . . . 4

Placing speakers for stereo sound 4

Placing speakers for home theater . . . . . . . . . . 5

Other considerations . . . . . . . . . . . . . . . . . . . . . 5

INSTALLATION 6

Preparing the ceiling 6

Using the template 6

Drilling a pilot

Cutting the speaker hole . . . . . . . . . . . . . . . . . . 7

Getting the wire

Connecting the

Finishing the installation 8

Securing the speaker 8

Testing each speaker 10

Attaching the grille 10

guidelines.

your

hole.

ready.

speaker.

AND

plan.

. . . . . . . . . . . . . . . . . . . . . 4

. . . . . . . . . . . . . . . . . . . . . . 6

. . . . . . . . . . . . . . . . . . . 7

. . . . . . . . . . . . . . . . . . . 8

CONTENTS

. . . . . . . . . . . . . . . . 2

REFERENCE

Painting the exterior parts

Painting the

Painting the frame . . . . . . . . . . . . . . . . . . . . .

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . .

Customer service . . . . . . . . . . . . . . . . . . . . . . .

Limited warranty. . . . . . . . . . . . . . . . . . . . . . . .

Accessories

Technical information 14

grille.

..

. . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . .

..

11

12

13

14

iii

PREPARATION

Before

Thank you for choosing

speakers for in-ceiling installation. Thesetop-of-the-Iine

Virtually Invisible® speakers provide superior perfor-

mance for stereo and home theater enjoyment. Their

slim profile blends well into your room, so only the

sound ...not the speakers...stands out.

Please be sure

any cutting. There are many factorstoconsider before

proceeding with this type

Unpacking

Carefully unpack the speakers. Checktobe sure the

carton includes all the parts shown.

Template/Paint shield

you

to

begin

Bose®

read this guide carefully before you

of

......

Virtually Invisible®

installation.

Speaker grilles

791

do

Other

Hardware for securing the speakertoyour ceiling

attachedtothe

and the equipment below

smoothly.

Square-head

or

Phillips-head

or

Phillips-head

screwdriver

equipment

~

Sharp pencil

you will

speaker.Inaddition, you need a ladder

to

make the installation

to

make the installation

Wire cutter/stripper

Power drill

®~

Painter's tape** Protective eyewear

Tape measure

need

~

Stud finder

is

go

Speakers

If any part

not use it. Notify Bose or your authorized Bose dealer

immediately. For Bose contact information, refer

the address list includedinthe carton.

Note: With the speakers unpacked, you can find the serial

numbers on the back

numbers onto your warranty cardand

space on page

of

the speaker pair appears damaged,

of

the speaker pair appears damaged,

of

each one.

of

each one.

ii.

Then

you can copy the

Then

you can copy the

in

the "For your records"

in

the "For your records"

to

do

If

painting is in your plan

If

painting is in your plan

Be suretoread "Painting

before you begin installing your speakers. There are a

number

and spread the paint evenly on

secure them

of

suggestions on

of

suggestions on

in

your ceiling.

in

your ceiling.

the

exterior parts" on page

the

exterior parts" on page

howtoprotect the speakers

the

speakers before you

the

speakers before you

11

2

PREPARATION

Selecting

If your cables are not yet installed, use these guidelines

for choosing and using speaker cable. If your cables are

already installed, check

standards.

18 AWG (0.82

16 AWG (1.3

14 AWG

12 AWG (3.3

Consider the locationofthe speakers and be sure

allow enough cabletoreach each one. This includes the

extra length needed for wiring the speaker before

inserting it into the ceiling.

Gauge

(2.1

speaker

to

2

)

mm

2

)

mm

2

)

mm

2

)

mm

cable

be sure they meet these

Maximum

90ft(27

Length

20 ft(6m)

30 ft(9m)

50ft(15

m)

to

Preparing

Speaker cable consistsoftwo

insulation around one wire is marked (striped, collared,

or

ribbed)toidentify it as positive. The other wire is

or

ribbed)toidentify it as positive. The other wire is

negative.

Note:

markings. Inspect both wires carefully.

1.

2.

Be sure

terminal, positive

negative (-).

Note:

professional electrician oraudio/video installer, or look

for reference books

Itissometimes difficult to distinguish wire

Strip approximately

both wires.

Twist the bare end of each wire so loose strands will

not touch across terminals.

For information on installing cable, consult a

the

cable

the

cable

to

connect each wiretothe proper speaker

to

connect each wiretothe proper speaker

to

positive

to

positive

at

wires

insulated wires. The

'/2

in.

(13

'/2

in.

a local home building retail store.

mm)ofinsulation from

(13

mm)ofinsulation from

(+)

and negative

(+)

and negative

to

3

PREPARATION

Placement

Orienting and placing these identical speakersiscritical

to

their performance.

to

their performance.

Follow these guidelines

location for each speaker. Before you mark the location

for the ceiling holes, be sure

• "Other considerations" on page

• "WARNINGS:" on page

Using

Thereisa small arrow molded into the inside flange

of each speaker. Use it as a guide for orienting the

speakers relative

the

arrow

guidelines

in

choosing the approximate

in

choosing the approximate

to

6.

asaguide

to

one another.

to

one another.

Guide

read:

5,

and

5,

and

arrow

Placing

Position these

- one on the left and one on the right at the front

the room

- oriented with the arrow pointing

speaker

an

-

- with each one

- 2ft(.6

- 3ft(1

- 6ft(2

speakers

two

speakers:

two

speakers:

equal distance from the primary listening area

AT

m)

from the front wall

m)

from the front wall

m)

from the side walls

m)

from the side walls

m)

apart

m)

apart

Frontofyour room

Minimum

LEAST:

for

stereo

to

the opposite

to

the opposite

Minimum

2'

sound

(.6 m)

of

Minimum

3'--.

(1

m)

(1

m)

The diagrams that follow show the proper orientation

using a pair of speakers for stereo sound, or several

of

speakers for home theater sound.

of

pairs

speakers for home theater sound.

Minimum

2'

(.6 m)

2'

(.6 m)

IT

l

Minimum

2'

(.6 m)

2'

(.6 m)

4

PREPARATION

Placing

Although these speakers are sold in pairs, you can use

several pairs

• Place

- with one on either side

- with

- with each one

- 2

- 3

- 6

• Place

- above

wall

- at least 2

• Place

to

-

- with

(away from the other speaker)

- with each one

- 2

- 3

- 6

speakers

for

home theater enjoyment.

for

home theater enjoyment.

twoofthe speakers:

the

arrow pointingtothe

the

arrow pointingtothe

AT

ft (.6

m)

ft (.6

ft

the

two

the left and right near the rearofthe room

the

ft

from the front wall

m)

from the front wall

(1m)from the side walls

(2m)apart

third speaker:

the

TV with the arrow pointing at the rear

the

TV with the arrow pointing at the rear

ft

(.6m)from the front wall

ft

(.6m)from the front wall

other speakers:

arrow pointing toward the side wall

AT

(.6m)from the front wall

(1m)from the side walls

(2m)apart

LEAST:

for

of

your TV

of

your TV

home

opposite speaker

theater

Frontofyour

3~@)

(1

m)

(1

m)

Minimum (.6 m)

(Place the sixth speaker (for use with a

only):

- between the other rear speakers

2'

home

TV

,

theater

room

@)~3'

2' "(1

(.6 m) Minimum

6.1

receiver,

6.1

receiver,

m)~

- with the arrow pointing

AT

LEAST 2ft(.6m)from the rear wall

AT

LEAST 2ft(.6m)from the rear wall

-

Other

• Placing

serves

speaker.

• Using a stud finder is helpful

space between joists.

(13 cm) from the center

• If you are installing

is important

of

• Avoid all electrical wiring, vents, and plumbing pipes

that are located above the ceiling. Check with a

trained professional

avoid them.

considerations

the

provided template against your ceiling

the

provided template against your ceiling

to

determine the space needed for each

to

determine the space needed for each

in

to

optimal performance that the volume

to

optimal performance that the volume

the

space is at least 1 cubic

the

space is at least 1 cubic

to

the rearofthe room

to

the rearofthe room

in

choosing a usable

in

choosing a usable

You

needtoallow

You

needtoallow

of

the speakertoa joist.

of

the speakertoa joist.

a sealed space between joists, it

foot

to

learn

to

howtolocate and

learn

howtolocate and

(.028

5'/2

m3j.

in.

5

Bose Virtually Invisible 791 Speakers Installation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual