Definitive Technology UIW RCS III User manual

Congratulations

Congratulations on your purchase of the Deﬁnitive Technology

UIW RCS III Loudspeaker. This reference quality loudspeaker

provides the highest level of sonic performance and construction

quality and is designed for easy ﬂush-mount installation in

ceilings of homes and commercial spaces. Six years of intensive

research and development by Deﬁnitive engineers, working in

collaboration with one of the world’sleading industrial design

ﬁrms, has produced the ﬁnest architectural loudspeakers on the

market. The beautiful upscale designer styling of this model

is perfect for the ﬁnest homes belonging to the most

discriminating homeowners.

UIW RCS III™

Reference Series In-Ceiling Speaker

Owner’s Manual

The UIW RCS IIIs have been voiced by Deﬁnitive engineers (using the

superb facilities of the Deﬁnitive Technology Advanced Research Facility) to

the same high-end standards as all Deﬁnitive loudspeakers. The drivers and

bafﬂes are perfectly integrated into the design to minimize the diffraction

problems that are inherent with most other in-wall loudspeakers. Toensure

that you experience the ﬁnest performance possible from your UIW RCS IIIs,

we encourage you to read this owner’s manual to familiarize yourself with the

proper installation and set-up procedures.

The RCS III:

• Incorporates high power, high deﬁnition cast basket Deﬁnitive

bass/midrange drivers combined with pressure-coupled low-

frequency radiators and state-of-the-art Deﬁnitive 1" dome tweeters.

• Incorporates polypropylene cones with butyl rubber surrounds.

• Incorporates a complete precision crossover system designed by

Deﬁnitive engineers for seamless driver blending.

• Incorporates a completely sealed non-resonant medite enclosure to

assure you of laboratory reference quality performance in your home.

•Is moisture resistant to allow use in bathrooms, etc.

•Is easily paintable and comes complete with mounting templates

and plastic paint masks.

•Can be used as an exceptional left main, right main, center channel

or rear/side surround in a state-of-the-art home theater system or as

stereo pairs in a 2-channel music system.

The Sound Quality Is Extraordinary

The UIW RCS III Loudspeaker

Please Inspect For Shipping Damage

Each loudspeaker leaves our plant in perfect condition. Any visible or

concealed damage most likely will have occurred in handling after it left the

plant and should be reported at once to your Deﬁnitive dealer or the delivery

company that delivered your loudspeakers. Please unpack your system

carefully. Save all cartons and packing materials in case you move or need

to ship your system. Record the serial numbers found on the back of the

UIW RCS III Loudspeakers in the appropriate place on your warranty card.

Unpacking Your UIW RCS III Loudspeakers

UIW RCS III Applications

The UIW RCS III is designed to be mounted in ceilings and used as a front

main left, right or center channel loudspeaker in a stealth home theater

system of the highest quality. In addition, they can be used as rear or side

surround speakers or as left and right stereo speakers.

UIW RCS III Positioning

Deﬁnitive’s UIW RCS III Loudspeakers are designed to be mounted in ceil-

ings with excellent results. Because of their wide dispersion characteristics

and other aspects of their superb sonic performance, mounting position in

your room is very ﬂexible. Due to the different requirements of the wide

variety of room shapes and sizes, we recommend that you consult with the

custom installation specialist at your Deﬁnitive Technology dealer regarding

your own particular needs.

Your Complete Deﬁnitive Home Theater

For best results, we recommend that you use Deﬁnitive speakers in

combination with your RCS IIIs for the best overall sonic performance.

Apopular choice for matching side or rear surround speakers is the

Deﬁnitive UIW RSS III. In-wall or free-standing subwoofers may be used

with the RCS III. Popular choices are the in-wall Deﬁnitive UIW Sub 10/10,

UIW Sub Reference or our freestanding SuperCube subs.

The UIW RCS III Loudspeakers are easily paintable and are shipped with

plastic paint masks (which should be retained even if you initially decide not

to paint the speakers). The grille and frame must be painted separately, and

for best results, prior to installation.

For the grille, spray painting is the recommended method. Follow the paint

manufacturer’s directions for ventilation and correct spraying procedure. Be

very careful not to clog the speaker grille with too heavy a coat of paint as

this will impair system sonic performance.

For the frame, spray painting is preferred but brush or roller will also give

good results. The supplied frame masks should be put in place to protect the

speaker components for whichever method you choose.

Painting Your UIW RCS III Loudspeakers

The RCS III is designed to be installed inside the ceiling of your home

quickly and easily. Because of its superb sonic performance, installation loca-

tion within your room is very ﬂexible. Your room is not like anyone else’s

room, and because of its unique size and shape will have its own require-

ments for optimal sonic performance. We recommend that you consult with

the Custom Installation Specialist at your Deﬁnitive Technology dealer

regarding your special needs or if you are at all uncertain about the best and

safest way to install your RCS III.

• Installation of this product must follow all local and state building code

requirements. We strongly recommend using a qualiﬁed, professional

installer who is knowledgeable of local building codes.

•The UIW RCS III is designed for mounting inline or at 90 degrees

to 12" on-center ceiling joists.

• If ceiling joists are wider than 12" apart, you will need to shim (or frame in

the enclosure) with appropriate framing material.

• Before starting construction or modiﬁcation of your ceiling, you should

familiarize yourself with any applicable local ﬁre and building codes.

• Make sure the locations you select do not conceal studs, electrical wiring

or plumbing. Prior to installation, hold the speaker in your chosen location

to make sure it meets the clearance requirements around obstacles such as

studs, corners, beams, lighting ﬁxtures and door/window frames.

Installation Procedure Overview

• The speaker enclosure needs to be against joists or framing material on the

2parallel sides that are to be fastened with the screws.

• The clearance required on outside ceiling surface is 1" around the cutout to

clear the speaker bezel. On inside surface, 11/4"of clearance is required to

clear lock arms on the sides that will not be fastened to the joists or framing

material.

• Also note that the installation of the RCS III may require some modiﬁca-

tion of the joist structure in your ceiling. This should only be done by a

competent professional who will conﬁgure the studs to maintain their

structural integrity and make sure that everything is in compliance with all

local and state building code requirements.

•Speaker wire must be run inside your ceiling as part of the installation

process of in-wall loudspeakers. Plan the connection before you start your

loudspeaker installation.

Installation Procedure Overview (continued)

Step-by-Step Installation

Mounting options overview

• Installation of this product must follow all local and state building codes.

• We strongly recommend using a qualiﬁed, professional installer who is

knowledgeable of local building codes.

Required cutout and cavity size

• Template cutout size: 103/8"W x 103/8"L.

• Minimum size of installation cavity (inside ceiling and between joists)

is as follows:

–Depth: 57/8"

–10

1/2"between joists on the sides the wood screws are to be installed in.

– 123/4"between joists on sides the lock arms are to be used

(11/4"ofspace required on each side to clear lock arms).

See Diagram 1, page 9 for reference.

Step-by-Step Installation (continued)

Hole location options and requirements

• Mounting in ceiling with joists 12" on-center.

– Place template against inside edge of joist.

– Trace around template with pencil.

– Cut hole.

See Diagram 1, page 9 for reference.

• Mounting in ceiling with joists wider than 12" on-center.

– Place template at least 11/4"away from existing joists

(to clear lock arms).

– Template does not need to be centered between joists.

–Trace around template with pencil.

– Cut hole.

– Install framing material inside cavity, running 90 degrees to

existing joists, leaving 101/2"between frame sides.

See Diagram 2, page 9 for reference.

•Mounting in ceiling with joists 12" on-center where crossbeam

is closer than 11/4"from side of enclosure.

– Enclosure MUST be against the crossbeam and 2 joists, boxing

it in on 3 sides. Shim as required.

– This will require 1 additional #8 x 31/2"wood screw and side

gasket material (not included) to secure to crossbeam and prevent

rattling.

– Place template against crossbeam and mounting joist.

– Trace around template with pencil.

– Cut hole.

See Diagram 3, page 10 for reference.

Gasket requirements and application

• There are 2 sizes of gasket strips included in the accessory pack with the

owner’s manual.

–5long gaskets.

–1short gasket.

• The gaskets are to be applied as follows:

–2long gaskets on back of enclosure.

–2gaskets on each side of enclosure to be placed against joist or

framing material.

– The short gasket is provided to run on the side of the enclosure where

the terminal cut-away is located.

Connecting the speaker

• Run color-coded wires between the speaker cavity and ampliﬁer

unit. When running the wires inside the ceiling to the opening, leave a

minimum of 18" of additional length in the cavity to facilitate speaker

connection.

• Fish wiring out of hole.

• Connect the speaker wires to the UIW RCS III taking care to make red to

red (+) and black to black (-) terminal connections.

• Refer to your ampliﬁer or receiver loudspeaker wiring instructions, turn

off the unit and connect the speaker wires to the appropriate colored out-

put terminal on the unit, again making red to red (+) and black to black (-)

connections. This will ensure absolute phase throughout the system.

Securing speaker

• Installation of this product must follow all local and state building

code requirements.

• We strongly recommend using a qualiﬁed, professional installer who is

knowledgeable of local building codes.

• We recommend holding the unit by the bezel and outer edges

of the speaker to avoid damaging the drivers.

• Place speaker in hole and secure to joists (or framing material) with at

least 2 of the screws provided. Tighten screw on one side before installing

and tightening the opposing side.

• As a minimum, the speaker must be secured using two screws provided on

2parallel sides.

See Diagrams 1 and 2, page 9 for reference.

• If speaker is mounted against a crossbeam, install one additional #8 x 31/2"

wood screw (included) into side that is against crossbeam to secure

speaker and prevent rattling.

See Diagram 3, page 10 for reference.

• Secure lock arms on sides that are not secured using wood screws.

See Diagrams 1, 2 and 3, page 9 and 10 for reference.

• The metal pivoting lock arms are pre-installed in the loudspeaker frame

with Phillips screws. The lock arms can be rotated left or right by turning

the screws.

•Fit grille on speaker bezel.

Step-by-Step Installation (continued)

*VERY IMPORTANT*

Please note that the pivoting lock arms arenot designed to support

the weight of the speaker. They are only designed to pull the speaker

tight to the ceiling and prevent it from rattling. Do not use them for

supporting the speaker. The screws going through the speaker and

into the joists are there for support and must be properly used.

1 1/4” MINIMUM CLEARANCE

REQUIRED TO CLEAR LOCKARMS

REAR VIEW (FROM INSIDE CEILING)

INSTALLATION IN CEILING WITH JOISTS 12” ON-CENTER

MINIMUM CAVITY REQUIRED:

• 10 1/2” BETWEEN JOISTS THAT WOOD SCREWS

ARE TO BE SECURED TO

• 12 3/4” BETWEEN JOISTS OR OBSTRUCTIONS

ON SIDES LOCK ARMS ARE TO USED

• DEPTH: 5 7/8”

EXISTING CEILING JOISTS

12” ON-CENTER

WOODSCREW

(2 PLACES)

LOCK ARM

(4 PLACES)

10 1/2” MINIMUM CAVITY

SIZE BETWEEN JOISTS

BEAM TO SHOW MINIMUM DISTANCE

REQUIRED TO CLEAR OBSTRUCTION

10 3/8” TEMPLATE CUT-OUT

10 3/8”

TEMPLATE

CUT-OUT

12 3/4”

MINIMUM CAVITY

SIZE REQUIRED TO

CLEAR LOCK ARMS

REAR VIEW (FROM INSIDE CEILING)

INSTALLATION IN CEILING WITH JOISTS 24” ON-CENTER

MINIMUM CAVITY REQUIRED:

• 10 1/2” BETWEEN INSTALLED MATERIAL THAT

WOOD SCREWS ARE TO BE SECURED TO

• 12 3/4” BETWEEN JOISTS OR OBSTRUCTIONS

ON SIDES LOCK ARMS ARE TO USED

• DEPTH: 5-7/8”

NOTE: UNIT DOES NOT NEED TO BE CENTERED

BETWEEN JOISTS. ALLOW FOR 1-1/4” OF CLEARANCE

ON EACH SIDE OF CLEAR LOCK ARMS

EXISTING CEILING JOISTS

24” ON-CENTER

ADDED FRAMING

MATERIAL

10-1/2”

CAVITY SIZE REQUIRED

BETWEEN INSTALLED

FRAMING MATERIAL

WOODSCREW

(2 PLACES)

LOCK ARM

(4 PLACES)

10 3/8” TEMPLATE CUT-OUT

10 3/8”

TEMPLATE

CUT-OUT

Diagram 1

Diagram 2

If you experience any difﬁculties with your UIW RCS III Loudspeakers,

try the suggestions described below.If you are still having problems, please

consult your Deﬁnitive Technology authorized dealer for assistance.

• Make sure all your system interconnections and power cords

are solidly in their place.

•Check to be sure that the power cords and/or speaker wires have

not been damaged.

• Many ampliﬁer/receivers have sophisticated internal protection

circuitry.If for some reason the protection circuitry is tripped,

please turn down the system’s volume and wait ﬁve minutes

before trying the system again.

Troubleshooting Your UIW RCS III Speakers

REAR VIEW (FROM INSIDE CEILING)

INSTALLATION IN CEILING WITH JOISTS 12”

ON-CENTER WITH OBSTRUCTING CROSSBEAM

• UNIT MUST BE AGAINST THE CROSSBEAM

AND 2 JOISTS

MINIMUM CAVITY REQUIRED:

• 10 1/2” BETWEEN JOISTS THAT WOOD SCREWS

ARE TO BE SECURED TO

• 12 3/4” BETWEEN JOISTS OR OBSTRUCTIONS

ON SIDES LOCK ARMS ARE TO USED

• DEPTH: 5 7/8”

10 1/2” MINIMUM CAVITY SIZE BETWEEN STUDS

HOLDING WOODSCREWS

EXISTING CROSSBEAM

CAUSING OBSTRUCTION

EXISTING CEILING JOISTS

12” ON-CENTER

WOODSCREW

(3 PLACES)

LOCK ARM

(2 PLACES)

10 3/8” TEMPLATE CUT-OUT

10 3/8”

TEMPLATE

CUT-OUT

11 3/8”

MINIMUM CAVITY

SIZE REQUIRED BETWEEN

CROSSBRACES TO

CLEAR LOCK ARMS.

UNIT MUST BE PLACED

AGAINST CROSSBEAM.

11/4”

MINIMUM

CLEARANCE

REQUIRED FOR

LOCKARMS

Diagram 3

Table of contents

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