Polk Audio Lci Rtsc Users Manual CustomInstallFactSheet_

LCI-RTSC to the manual 5d2e48ce-c2fb-4271-9cd8-a3c03cd66c08

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Cutsheet for LCi-RTSC & LCi-RTSFX
High Performance In-Wall Reference Theater
Center Channel and Surround Loudspeakers
The LCi-RTSFX speaker features an integrated "perfect volume" performance enclosure to ensure superb performance every time.
Because the RTSFX performance enclosure is the same size as the cutout, the speaker installs easily in a post construction project.
The RTS C requires a larger cutout because of its separate performance enclosure. An available Stud-Lock Mounting SystemTM (for
the RTSFX and sold separately) creates a rigid platform, increasing bass performance, clarity and reducing unwanted structure borne
vibration. Both the RTS C and RTSFX are THX® Ultra2-certified, so you're assured of consistent sonic performance and exceptional
dynamic range. The same driver technologies found in Polk Audio's highly acclaimed LCi Series of freestanding and built-in speakers
are used in the LCi-RTS Series.
LCi-RTSC

Hardware (included)
• One LCi-RTSC Speaker
• Enclosure
• Paint Mask
• Two Grilles (one perforated, one cloth)

Overall
Height
8-15/16"
(22.6cm)

• Logo Badge
• LCi-RTSC Manual
• Registration Card
Overall Width
15-5/8" (39.7cm)

• 4 Mounting Brackets
• 16 Screws

Overall Depth
3-3/8" (8.57cm)

• 16 Washers
Important Note:
If anything is missing or damaged, or if your LCi-RTSC
Cutout
speaker fails to operate, notify Polk Audio Installer
Height
Support Services immediately at 800-377-7655.
7-5/8"
(19.5cm)
Hours: Mon.-Fri., 9am-5:30pm EST.

LCi-RTSC Dimensions
Overall Height
Overall Width
Cutout Height
Cutout Width
Overall Depth
Mounting Depth

8-15/16" (22.6cm)
15-5/8" (39.7cm)
7-5/8" (19.5cm)
13-1/8" (33.34cm)
3-3/8" (8.57cm)
2-7/8" (7.3cm)
with 1/2" of drywall

Cutout Width
13-1/8" (33.34cm)

Mounting Depth
(Assumes 1/2"
[12.7mm] drywall)
2-7/8" (7.3cm)

Available Finish: Paintable White

www.PolkAudio.com

/

800.377.7655 (USA & Canada)

/

410.358.3600 (Worldwide)

1

LCi-RTSC
Note: The RTSC speaker is designed to be used as a THX®
center channel speaker. It mounts between studs that are
16" OC (on center).
RTSC ENCLOSURE
The enclosure must be used for the RTSC to perform to THX®
certified standards.

Overall
Height
24-1/4"
(61.6cm)

REMOVING THE CLOTH GRILLE
The RTSC’s cloth grille fits tightly to the speaker Baffle.
If you use the cloth grille, take special care when removing it.
Important Note: Never use any tool, such as a paperclip,
to remove the grille, as this could tear the cloth.
Instead, use your hands (after you’ve washed them), grasping
the grille frame near two of its mounting cups and pulling the
frame firmly away from the baffle.

Depth measured
from the back of the
enclosure to the front
3-3/8" (8.57cm)

Overall Width
14" (35.56cm)

SPECIFICATIONS
LCi-RTSC
Product Weight: 8.75 lbs. (3.97kg)
(not including Performance Enclosure)

WIRE RECOMMENDATIONS

PERFORMANCE
POWER HANDLING (WATTS/CHANNEL)

Runs
Lengths up to 25'
Lengths greater than 25'
but less than 50'
Lengths greater than 50'
but less than 75'
Lengths greater than 75'

Gauge
18 or 16
16 or 14
14 or 12

10-250W CONTINUOUS

IMPEDANCE (NOMINAL)

4 OHMS

FREQUENCY RESPONSE (OVERALL)

50HZ–27KHZ

THX SPEC

80HZ–26KHZ

EFFICIENCY (2.83V@1M)

92dB

WEIGHT

12

Mount Performance Enclosure using included
hardware. Run wire from any direction and
plug the hole to maintain an airtight seal.

SPEAKER

8.75 LBS (3.97KG)

PERFORMANCE ENCLOSURE

9.25 LBS (4.25KG)

DRIVER COMPLEMENT
MIDBASS

2-5 1/4" (13.34CM)
AERATED POLYPROPYLENE
DYNAMIC BALANCE ™ DRIVERS

TWEETER

1-1" (2.54CM)
AIMABLE RING RADIATOR TWEETER

Web Address:
For more information on the LCi-RTSC, log onto
www.polkaudio.com/downloads/manuals/
home/LCi-RTSC_manual.pdf

CONNECTIONS
SPEAKER WIRE
MAXIMUM WIRE SIZE ACCOMMODATED

12 AWG

MINIMUM RECOMMENDED

18 AWG

INPUT CONNECTORS

HEAVY-DUTY SPRING LOADED
PUSH TERMINALS

2

Polk Audio Custom Install Product: Model Number

LCi-RTSFX
Hardware (included)
• One Set of LCi-RTSFX Speakers
• Speaker Mounting Template
• Paint Mask
• Four Grilles (two perforated, two cloth)
• Logo Badge
• LCi-RTSFX Manual
• Registration Card
• Two STL105 Stud-Lock Brackets

Overall
Height
21-7/8"
(55.56cm)

Important Note: If anything is missing or damaged,
or if your LCi-RTSFX speaker fails to operate, notify
Polk Audio Installer Support Services immediately
at 800-377-7655. Hours: Mon.-Fri., 9am-5:30pm EST.

Overall Depth
4-1/4" (10.8cm)

Overall Width
12" (30.48cm)

LCi-RTSFX Dimensions
Overall Height
Overall Width
Cutout Height
Cutout Width
Overall Depth
Mounting Depth

21-7/8" (55.56cm)
12" (30.48cm)
20-1/4" (51.44cm)
10-3/4" (27.31cm)
4-1/4" (10.8cm)
3-3/4" (9.53cm)
with 1/2" of drywall

Cutout
Height
20-1/4"
(51.44cm)

Available Finish: Paintable White

Cutout Width
10-3/4" (27.31cm)

www.PolkAudio.com

/

800.377.7655 (USA & Canada)

Mounting Depth
(Assumes 1/2"
[12.7mm] drywall)
3-3/4" (9.53cm)

/

410.358.3600 (Worldwide)

3

Stud-Lock Mounting System™
(RTSFX only)
Installation: See the instructions included with each StudLock Mounting System™.

Important Notes:
If you are using a Pre-Construction Bracket, always
install the Pre-Construction Bracket before installing the
Stud-Lock Mounting System™. Be sure to clear the PreConstruction Bracket wire guide when installing the
Stud-Lock Mounting System™.

Important Note: For new construction: If you are using a preconstruction bracket, always install it first before installing the
Stud-Lock Mounting System™ .
STL105

If you are installing a pre-construction bracket (PBC) and a StudLock Mounting System (STL105) together, be aware that the
speaker’s enclosure can catch on the edge of the pre-construction bracket. Push the bottom of the loudspeaker enclosure up
and over The protruding edge of the pre-construction bracket.
This will fully seat The loudspeaker in the wall.

Center the bracket vertically in
the cutout. The lip of the StudLock bracket and the cutout
should align.

Drywall shown cut away for clarity.

SPECIFICATIONS
LCi-RTSFX
Installed Weight: 10.75 lbs. (4.88kg)
(not including Stud-Lock Mounting System™)
PERFORMANCE

CONNECTIONS

POWER HANDLING (WATTS/CHANNEL)

10-250W CONTINUOUS

IMPEDANCE (NOMINAL)

4 OHMS

FREQUENCY RESPONSE (OVERALL)

50HZ–27KHZ

THX SPEC

80HZ-26KHZ

EFFICIENCY (2.83V@1M)

SPEAKER WIRE
MAXIMUM WIRE SIZE ACCOMMODATED

12 AWG

MINIMUM RECOMMENDED

18 AWG

INPUT CONNECTORS

PUSH TERMINALS

88dB

SPEAKER WEIGHT (INSTALLED)

HEAVY-DUTY SPRING LOADED

10.75 LBS (4.88KG)

DRIVER COMPLEMENT
MIDBASS

2-5 1/4" (13.34CM)

Web Address:

AERATED POLYPROPYLENE
DYNAMIC BALANCE ™ DRIVERS
TWEETER

1-1" (2.54CM)
RING RADIATOR TWEETER

4

Polk Audio Custom Install Product: Model Number

For more information on the LCi-RTSFX, log onto
www.polkaudio.com/downloads/manuals/
home/LCi-RTSFX_manual.pdf

REMOVING THE CLOTH GRILLE
The RTSFX’s cloth grille fits tightly to the speaker Baffle.
If you use the cloth grille, take special care when removing it.

Center
Right

Left
Subwoofer

Important Note: Never use any tool, such as a paperclip,
to remove the grille, as this could tear the cloth.
Instead, use your hands (after you’ve washed them), grasping
the grille frame near two of its mounting cups and pulling the
frame firmly away from the baffle.

LCi-RTSFX
SETTING RECOMMENDATIONS
RTSFX In-wall Surround Location
Surround speakers located close, straight to the sides
of your listening area, and approximately six feet off
the floor
Surround speakers located behind your listening area
and approximately six feet off the floor

RTSFX

Image Setting
Recommendation
Diffuse

RTSFX
Surround Right

Surround Left

Solid

Surround Back Left

The “Solid” setting is required for THX ® Ultra2 Systems.

Surround Back Right

ROOM ENVIRONMENT CONTROLS
Tweeter Switch (RTSC/RTSFX)
If your listening room is very reflective, with smooth sheetrock walls, hardwood floors, and non-cushioned furniture,
the sound will be overly “bright” and unnatural. Engaging
the tweeter attenuation feature a Tweeter attenuation feature. Selecting the “cut” setting compensates for the effect
of reflectivity in a hard room. Tweeter attenuation flattens
room response, without hindering higher frequency response,
for warmer, more realistic sound and more accurate imaging.
Wall Distance Switch (RTSFX)
In-wall and in-ceiling loudspeakers excel when placed more
than 2'(60cm) from side walls. If position limitations demand
that in-wall loudspeakers be installed closer than 2'(60cm)
from side walls, the proximity of the surface can result in
a response “bump” between 50 and 200Hz. This can cause
in-wall speakers to sound “boomy.” The Wall Distance Switch
flattens response and tunes out “boominess” without sacrificing deep bass response, for more lifelike sound.

If placement is closer than 2' to a wall: Engage the Wall
Distance Switch (“Wall Dist.”) to match the <2' setting.
Recommended speaker distance from side walls is 2 feet
(60cm).
RTSC/RTSFX THX®Ultra2-certified Performance
For THX® Ultra2-certified performance, use the cloth grille; set
the Tweeter Switch (RTSc/RTSFX) to the “normal” position; on
the RTSFX, set the Wall Distance Switch to the greater than
two feet (>2) position.

If you have questions, please contact your Authorized
Polk Audio Dealer or Customer Service at 1-800-377-7655
Monday through Friday 9am-6pm EST.

www.PolkAudio.com

/

800.377.7655 (USA & Canada)

/

410.358.3600 (Worldwide)

5



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