REVELL I20 User manual

Revel®I20/I30

Back Box

Installation Instructions

2REVEL I20/I30 Back Box

Installation Instructions

3 Oak Park, Bedford, MA, 01730-1413 USA

Telephone: 781-280-0300

Fax: 781-280-0490

www.revelspeakers.com

Customer Service:

Telephone: 781-280-0300

Sales Fax: 781-280-0495

Service Fax: 781-280-0499

Product Shipments

16 Progress Road

Billerica, MA 01821-5730 USA

Part No. I20: 353639-00/I30: 353617-001 | Rev 1 | 01/05

“Revel” and the Revel logo are registered trademarks of

Harman International Industries. U.S. patent numbers and

other worldwide patents issued and pending.

This document should not be construed as a commitment on

the part of Harman Specialty Group.The information it con-

tains is subject to change without notice. Harman Specialty

Group assumes no responsibility for errors that may appear

within this document.

REVEL I20/I30 Back Box

Installation Instructions

TABLE OF CONTENTS

Documentation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Important Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

About the Back Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Installation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

I20/I30 Back Box Outer Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Obtaining Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

4REVEL I20/I30 Back Box

Installation Instructions

DOCUMENTATION CONVENTIONS

This document contains general installation instructions for the Revel I20/I30 Back Box. It is

important to read this document before attempting to use this product. Pay particular atten-

tion to safety instructions.

WARNING Calls attention to a procedure, practice, condition, or the like that, if

not correctly performed or adhered to, could result in injury or death.

Caution Calls attention to a procedure, practice, condition, or the like that, if not

correctly performed or adhered to, could result in damage to or

destruction of part or all of the product.

Note Calls attention to information that is essential to highlight.

IMPORTANT SAFETY INSTRUCTIONS

Read Before Starting Installation

•Product contains fiberglass wool.

•Disturbing the insulation in this product during installation, maintenance, or repair will

expose you to fiberglass wool. Breathing this may cause lung cancer. Fiberglass wool is

known to the State of California to cause cancer.

•Fiberglass wool may also cause respiratory, skin, and eye irritation.

•To reduce exposure to this substance or for further information, consult material safety

data sheets available from the address shown below, or contact your supervisor.

Harman Specialty Group

3 Oak Park Drive

Bedford, MA 01730

IMPORTANT SAFETY INSTRUCTIONS

Read Before Starting Installation

WARNING This enclosure is not listed for use in air handling plenums. Installation

of this enclosure in walls or ceilings of fire barrier rated construction

require that construction methods shall be employed in order to comply

with local building or life safety codes. Consult your local Authority

Having Jurisdiction (Building, Electrical, or Fire Safety Inspector) to

determine what acceptable construction methods will be required.

WARNING The I20 Inwall Back Box weighs 19 lbs. (8.6kg) empty, and weighs 32

lbs. (14.52kg) with an I20 speaker system installed in it. The I30 Inwall

Back Box weighs 19 lbs. (8.6kg) empty, and weighs 36 lbs. (16.3kg) with

an I30 speaker system installed in it.

ANSI/EIA 636 Recommended Loudspeaker Safety Practices, Section 16.3

recommends that the mounting system used to install the Inwall Back

Box in walls or ceilings should support the weight of the product plus at

least four times the weight of the product being installed. That means,

for an I30 installed in an Inwall Back Box, the mounting system should

be able to support at least 180 lbs. (82kg).

It is strongly recommended that the installer consult a construction pro-

fessional or a professional engineer to determine the appropriate

mounting methods to be used for each specific installation location.

REVEL I20/I30 Back Box

Installation Instructions

6REVEL I20/I30 Back Box

Installation Instructions

About the Back Box

Thank you for purchasing the Revel

I20/I30 Back Box, an optional rear enclo-

sure for the Revel I20/I30 In-Wall

Loudspeaker which provides optimum vol-

ume for woofer alignment and reduces

acoustic bleed through to rooms adjacent

to your listening area. The I20/I30 Back

Box also functions as a mounting bracket

designed to facilitate the installation of the

Revel I20/I30 In-Wall loudspeakers in new

construction or major retro-fit installations.

The back box improves sonic performance

while providing solid support for the

speaker mounting frame and baffle assem-

bly. Since the back box is installed before

the drywall is mounted, it allows the

speakers to be mounted in a clean, effi-

cient manner.

The Revel I20/I30 Back Box measures

17.50 x 29.50-inches (444.5 x 749.3mm)

(including the flanges). The back box is

designed to mount between two 2x4-inch

(or 2x6-inch) wall studs on 16-inch centers.

See the illustrations below for inner dimen-

sions.

Installation Instructions

The following items are required for instal-

lation:

•tape measure

•carpenter’s level

•pencil

•hammer

•nails

•drywall section

•drywall screws

•staples/U nails

•utility knife

•service wire (included)

•work gloves

•face mask

Caution

The back box should be installed by a

professional. Installers must adhere to

local building codes to ensure a proper

installation. Harman Specialty Group is

not responsible for any injury or dam-

age caused by improper installation.

14.84-inches

(376.9mm)

10.65-inches

(270.5mm)

17.50-inches

(444.5mm)

13.57-inches

(344.7mm

16.78-inches

(426.2.mm)

28.62-inches

(727mm

Place side flange

on top of stud This flange fits in between wall studs

In-wall fits here

19.22-inches

(488.2mm)

12.50-inches

(317.5mm)

28.62-inches

(749.3mm)

17.50-inches

(444.5mm)

13.57-inches

(344.7mm

21.16-inches

(537.5mm)

Figure 1: I20 Back Box Height & Width Figure 2: I30 Back Box Height & Width

REVEL I20/I30 Back Box

Installation Instructions

Note

Figure 3 (above) shows the depth of the

back box. It can be installed in walls con-

structed with standard 2x4s. It is impor-

tant to note that the speaker mounting

frame requires a minimum depth (from

the wall face to the inside back of the

I20/I30 Back Box) of 3-1/2 inches

(88.9mm) for proper installation. This can

only be achieved by using 5/8 inch

(15.9mm) sheetrock on the wall face. It is

recommended the installer consult with

the sheetrock installer before beginning

the installation.

Caution

Installers are advised to wear work

gloves and face mask when installing

the back box and making wire connec-

tions, as the back box contains fiber-

glass.

To install the back box:

1. Use a tape measure to determine the

location where the speaker is to be

mounted. Refer to the Revel I20/I30

In-Wall Loudspeaker Owner’s Manual

for speaker placement considerations.

Record exact measurements from the

floor, ceiling and an adjacent dry wall

section.

Note

The I20/I30 Back Box eliminates sensitivi-

ty to placement considerations due to

standing waves within the wall cavity as

described in the Revel I20/I30 In-wall

Loudspeaker Owner’s Manual.

2. Position the back box between two wall

studs and into the wall cavity as shown

in Figure 4 (above). The back box must

be placed between standard 16-inch

on-center stud spacing. If desired, the

back box can be mounted upside-down

if you will be mounting the speaker

close to the ceiling.

Figure 3: I20/I30 Back Box Depth Figure 4: Place the Back Box between Wall Studs

3.375-inches

(85.7mm)

Rear Front

8REVEL I20/I30 Back Box

Installation Instructions

3. Firmly secure the back box into place

using nails as shown in Figure 5

(above).

Caution

Installers must adhere to local building

codes to ensure a proper installation.

Harman Specialty Group is not respon-

sible for any possible damages caused

by improper installation.

4. Connect the power amplifier cables to

the outside of the back box terminal

cup as shown in Figure 6 (next

column). Loosen the terminal connec-

tors by hand (counterclockwise) on the

terminal cup’s positive (+) and nega-

tive (-) binding posts.

Note

The terminal cup can be removed from

inside the back box if it is necessary to

retighten the amplifier cable connections.

Figure 5: Fasten Back Box to Wall Studs

Back Box Terminal Cup

Binding Posts

Power Amplifier

5. Insert the amplifier wire and retighten

the connectors by hand (clockwise).

When making connections, use the tie

wrap mount located next to the binding

posts to wrap cable ties for strain relief.

Caution

Be sure to comply with local wiring

codes. Harman Specialty Group is not

responsible for any damages or injuries

that may result from faulty wiring.

Figure 6: Amplifier Connections

REVEL I20/I30 Back Box

Installation Instructions

6. Place the section of drywall over the

back box.With tape measure and pen-

cil, carefully measure and mark where

to position the wall template (included

with the loudspeaker) by using the

measurements recorded in Step 1.

7. Use the wall template to trace where to

cut the drywall.

8. Cut a small hole in the center of the

template area to make sure the

template is in the right location.

9. After confirming the correct location,

cut the template hole opening as

shown in Figure 6 (below). Use a

carpenter’s level to ensure the opening

is level.

10. Fasten the drywall to the wall studs

using drywall screws.

11. Install the speaker mounting frame

into the wall opening. Refer to the

Revel I20/I30 In-Wall Loudspeaker

Owner’s Manual for complete instruc-

tions.

12. The back box’s banana plugs are locat-

ed inside the terminal cup as shown in

illustration A in Figure 7 (above).

Route wires from terminal cup behind

the speaker frame clamps (to prevent

close proximity with the woofer basket)

until they emerge at the top of the

speaker frame as shown in Figure 8

(below). The banana plugs must be

positioned correctly for a proper

connection. Be sure to avoid contact

with the speaker cone.

Figure 6: Cut Opening in Drywall

Interior of Back Box

Terminal Cup

Back Box Banana

Plug Connectors

Back Box

Binding Posts

Back Box Side View

Figure 7: Back Box Terminal Cup Banana Plugs

Figure 8: Route Terminal Cup Wires to top of the

Loudspeaker

10 REVEL I20/I30 Back Box

Installation Instructions

13. Locate the loudspeaker’s binding posts

as shown in illustration A of Figure 9

above. From the top of the speaker, run

the terminal cup wires down to the

loudspeaker’s binding posts as shown

in illustrations B and C above. The

wires are 18-inches long. If necessary,

use the extra service wire (provided).

14. Loosen the terminal connectors by

hand (counterclockwise) on the bind-

ing posts until the holes in their

threaded posts are visible. Insert the

banana plugs from the top as shown

in illustration B in Figure 9 above.

Make all connections observing the proper

polarity, positive to positive (+) and nega-

tive to negative (-). The banana plugs and

terminal connectors are color-coded for

simple identification: red (positive) and

black (negative).

15. Retighten the terminal connectors to

ensure a secure connection.

16. Refer to the Revel I20/I30 In-Wall

Loudspeaker Owner’s Manual for

complete instructions on installing the

speaker baffle to complete the installa-

tion.

I20/I30 BACK BOX

OUTER DIMENSIONS

Width 17.50-inches (444.5mm)

Height 28.62-inches (727mm)

Depth 3.375-inches (85.7mm)

OBTAINING SERVICE

Before returning a product for warranty or

non-warranty service, contact your author-

ized Revel dealer.

Figure 9: Speaker Connections

Exposed Binding Post

Make Connections

Observing Proper Polarity

In-wall Speaker Rear

Binding Posts

ABC

Insert Banana Plugs

into exposed holes

Terminal Connectors

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