Cutsheet for LC80FX & LC65FX
High Performance In-Wall/In-Ceiling Loudspeakers
Timber-matched to Polk Audio’s LCi-Series High Performance Loudspeakers, the LC65FX and LC80FX make the ideal In-wall
and in-ceiling surround speakers respectively. LCFX surround speakers have a switchable “Solid” and “Diffuse” imaging feature
to create the surround effect you desire. Paintable, powder-coated aluminum grilles and flanges enable these speakers to virtually
disappear in your room. Rust-resistant hardware and durable, moisture resistant materials ensure long-term reliability. Both LCFX
surround models install easily, and the LC65FX uses the LC65’s preconstruction bracket and performance enclosure.
Overall
Diameter
10-11/16"
(27.15cm)
LC80FX
Hardware (included)
• Two LC80FX Speakers
• Two Speaker Mounting Templates
• Two Paint Masks
• One Grille (perforated)
• Logo Badge
• LC80FX Manual
• Registration Card
Important Note:
If anything is missing or damaged, or if your LC80FX
speakers fails to operate, notify Polk Audio Installer
Support Services immediately at 800-377-7655.
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Cutout
Diameter
9-3/8"
Hours: Mon.-Fri., 9am-5:30pm EST.
Overall Depth
5-5/16" (13.5cm)
(24cm)
LC80FX Dimensions
Overall Diameter
Cutout Diameter
Overall Depth
10-11/16" (27.15cm)
9-3/8" (24cm)
5-5/16" (13.5cm)
4-5/8" (11.75cm)
with 1/2" of drywall
Mounting Depth
Available Finish: Paintable White
Mounting Depth
(Assumes 1/2" [12.7mm] drywall)
4-5/8" (11.75cm)
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SPEAKER PLACEMENT
Polk Audio LCFX Surround Loudspeakers give you nearly endless placement
options. But remember that where you place your surround speakers requires
some careful thought, as installation requires that you cut a hole in your wall
or ceiling
Center
Subwoofer
Left
Right
Left/Right Orientation: LCFX Surround Speakers have a left/right orientation,
and each speaker is clearly marked on its baffle for installation on either the
right or left. Right and left are defined from your listening area as you face
your system’s center channel.
Directing the Driver (LC80FX)
The fixed 15° angled driver in the LC80FX allows you to direct the midrange
towards your listening area when used for front stage (left-center-right). When
used as rear surrounds or as 6.1 or 7.1 back speakers, direct the driver towards
the listening area for a more direct sound field or toward a wall for a more
diffuse sound field
LC65FX
LC65FX
IMAGING
Solid/Diffuse Switch (LC65FX/LC80FX)
LCFX Surround Loudspeakers offer switchable “Solid” and “Diffuse” imaging
patterns to create the surround effect you desire.
Surround Right
Surround Left
A “Diffuse” image is defined as one which creates a “cloud” of sound; think
of the effect as ambient sounds which fill the environment all around you.
A “Solid” image is one which creates a more pin-point sound; sound is more
directional and localized. Ultimately you are the best judge of what kind of
surround imaging you prefer.
Surround Back Left
Surround Back Right
The schematic drawing of the room represents an ideal placement for all
speakers in either a 6.1 or 7.1 speaker system.
SETTING RECOMMENDATIONS
Image Setting
Center
Left
Right
LC65FX In-wall Surround Location
Surround speakers located close, straight to the sides
of your listening area, and approximately six feet off
the floor
Recommendation
Diffuse
Subwoofer
Surround speakers located behind your listening area
and approximately six feet off the floor
Solid
LC80FX In-ceiling Surround Location
Surround speakers located straight to the sides of your
listening area.
Diffuse
Solid
Surround speakers located behind your listening area
ROOM ENVIRONMENT CONTROL
Wall Distance Switch
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.
LC80FX
LC80FX
Surround Left
Surround Right
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).
Surround Back
Left
Surround Back
Right
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SPECIFICATIONS
SPECIFICATIONS
LC80FX
LC65FX
Product Weight: 4.0 lbs. (1.81kg)
Product Weight: 4.35 lbs. (1.97kg)
PERFORMANCE
PERFORMANCE
POWER HANDLING (WATTS/CHANNEL)
10-125W CONTINUOUS
POWER HANDLING (WATTS/CHANNEL)
IMPEDANCE (NOMINAL)
10-125W CONTINUOUS
4 OHMS
IMPEDANCE (NOMINAL)
FREQUENCY RESPONSE (OVERALL)
EFFICIENCY (2.83V@1M)
SPEAKER WEIGHT
4 OHMS
30HZ–27KHZ
88dB
FREQUENCY RESPONSE (OVERALL)
EFFICIENCY (2.83V@1M)
30HZ–27KHZ
88dB
SPEAKER WEIGHT
4.35 LBS (1.97KG)
4.0 LBS (1.81KG)
DRIVER COMPLEMENT
DRIVER COMPLEMENT
MIDBASS
1-6 1/2" (16.51CM)
AERATED POLYPROPYLENE
DYNAMIC BALANCE™ DRIVER
MIDBASS
1-8" (20.32CM)
POLYPROPYLENE
DYNAMIC BALANCE™ DRIVER
TWEETER
2-3/4" (1.91CM)
TWEETER
2-3/4" (1.91CM)
RING RADIATOR TWEETERS
RING RADIATOR TWEETERS
CONNECTIONS
CONNECTIONS
SPEAKER WIRE
SPEAKER WIRE
MAXIMUM WIRE SIZE ACCOMMODATED
MINIMUM RECOMMENDED
12 AWG
18 AWG
MAXIMUM WIRE SIZE ACCOMMODATED
MINIMUM RECOMMENDED
12 AWG
18 AWG
INPUT CONNECTORS
HEAVY-DUTY SPRING LOADED
PUSH TERMINALS
INPUT CONNECTORS
HEAVY-DUTY SPRING LOADED
PUSH TERMINALS
Web Address:
Web Address:
For more information on the LC65FX, log onto
For more information on the LC80FX, log onto
home/LC65FX_manual.pdf
home/LC80FX_manual.pdf
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.
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