System 10 InWall Speakers
System 10 LCR
System 10 SR Dipole Surround
Instruction Manual
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343 Vanderbilt Ave. Norwood, MA 02062 (781) 762-6300
www.atlantictechnology.com
System 10 InWall Speakers
Thank you for purchasing Atlantic Technology products. Our speaker systems ha ve been designed to deliver e xceptional sound and value. We hope you like what you hear from them, and are happ y with y our decision to buy them.
Please take a few moments to read these instructions. They’re intended not only to tell you how to mount the
speakers, but how to get the best performance from them.
Important Considerations Before Installation
Recommended Wire Sizes
The longer the wire run, the heavier the wire should be. Use the following recommendations as a guide for your
installation. And if you’re in doubt, remember that it never hurts to get the next heavier grade of wire. Also note that
lower gauge numbers equal heavier wire sizes.
Wire Run Wire Gauge
<15 ft. 18 ga.
15 to 30 ft. 16 ga.
30 to 50 ft. 14 ga.
50 to 80 ft. 12 ga.
80 to 120 ft. 10 ga.
Location, Location, Location
A major determinant of any speaker’s sound quality is the room and its location in it. With in-wall speakers there
are fewer placement options than with box speakers, so giving some thought to location can really pay off.
Additionally, the wall your speaker is mounted in will affect its sound. Our InWall Theater Systems ha ve been computer designed to minimize the detrimental effects wall mounting can have on sound, so they sound better than most,
if not all in-wall speakers.
Locations of Choice
Assuming that you’ll be using System 10 speakers for more than simple background listening, here are some placement recommendations:
Stereo Systems
For stereo music reproduction the speakers are best located at approximately ear level when seated, both on the
same wall, facing the prime listening location. A separation of approximately six to eight feet between the left and
right speakers is usually good. Ideally , the distance betw een the two speakers will be the same as the distance from
the speakers to the listening position. The speakers and the listening position will then form an equilateral triangle.
There is a benefit to mounting the speakers approximately the same distance from the side walls, so they both create
the same reflective patterns.
Hard surfaces create lots of sound reflections in the room while soft surfaces tend to absorb sound. Note the
speaker’s location in terms of proximity to glass and other highly sound reflective or absorptive surfaces. A
simple pair of curtains can make a major difference in sound quality and intelligibility! The more similar the speaker’ s
surroundings, the more consistent the sound will be. So placing one speaker directly adjacent to a glass wall, with the
other speaker by an open archwa y, will make for tw o dramatically diff erent sounding speak ers.
Note that as bass frequencies reflect within the room, some locations may be bass heavy while other areas may be
bass shy . With an external subwoof er, changing its placement within the room ma y reduce these effects. But when inwall speakers are utilized full range, the only real option is to change the listening position, if you end up in a difficult
bass area.
Home Theater Systems
T oda y’s home theater systems require y ou to place six or more speakers in your room. Placement f or these speakers
is potentially more critical than with pure music reproduction alone.
theater isn’t to put you in the movie theater; it’s to put you in the movie!
the jungle, the restaurant, the office, or wherever the video scene is taking place. If you keep this goal in mind
throughout the system development process y ou’ll end up with a better home theater , f or sure.
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That’s because the goal of setting up a good home
That’ s right, we w ant you to belie v e you’ re in
System 10 InWall Speakers
Home Theater Locations of Choice
Left/Center/Right Locations
The front three speakers should be at ear height when seated, just as with as stereo speakers. Unfortunately, the
presence of the television tends to make this difficult, if not impossible to achieve. (Unless you’re using a front
projector and a perforated screen with the center channel speaker directly behind it). The closer you can get to this
ideal the better, however. Try to keep the left and right speakers within 3 feet to either side of the TV screen. If
possible, place the left and right speakers no more than 2 feet above or below the height of the center channel
speaker . The center speaker itself should be centered on, and directly abo ve or belo w the TV screen.
IMPORTANT: The System 10 LCR speaker was designed to be used in a vertical (portrait) orientation, if at
all possible. The dispersion characteristics of the speaker are optimized in this position.
The All Important Surround Speakers
In order to achieve optimum performance we strongly recommend Dipole surround speakers like the System 10
SR. The following placement recommendations apply to all Dipole surround speakers (whether the System 10 SR
or another model) Please try to follow them.
Dipole surrounds produce a wide, diffuse, relatively non-localizable sound field that projects to the sides of the
speaker. Directly in front of the speaker there’s a sound “null” or dead zone. When properly placed in the room,
with the apex null aimed at the listeners, this creates the illusion that the sound is coming from a large area to
both sides of the speaker! The result is that you’re immersed in the surround field and become one with the action
taking place up on the screen.
Surround Speaker Locations
The absolute best place for a Dipole surround is directly to the sides of the prime listening position (+/- 15 degrees).
They should be located no less than 18 inches above ear height when seated and at least 24 inches below ceiling
level. If the surround speakers must be located closer than 24 inches to the ceiling they should be turned upside down
to keep the tweeters as far as possib le from the ceiling. Please see the important note below.
System 10 SR surrounds are designed to mount horizontally, on the side walls. If the y m ust be placed on the back
wall or the ceiling, please follow these guidelines. On the rear wall, install the speakers horizontally at least 24 inches
away from the corner, and between 18 inches above ear level when seated and 24 inches down from the ceiling.
If installed in the ceiling, position them with the drivers facing the front and back of the room, with the Left speaker
on the left side of the room and the Right on the right side. As much as possible keep the null centered on the
prime listening position.
IMPORT ANT : Please note that there are dedicated left and right Dipole surr ound speakers and they are labeled
as such. This is done to ensure that the drivers facing the front of the r oom are in phase with the system’s
front speakers. Left and right refer to the left and right wall when you are seated facing the screen. If the
speakers must be mounted upside down on the side walls, as outlined above, be sure to swap them from
side to side in order to maintain proper phasing with the fronts.
In any case, please note that for the greater part of any movie you should not be directly aware of the surround
speaker’ s presence. The y’re there to create those en vironmental sounds of the location up on the screen. So in a rain
filled scene you should be thinking, “Is it raining outside my house?”, not “Hey, I hear the rain in the surround
speakers!”
Non-Dipole surrounds
If you decide to use a Monopole for the surrounds (like the System 10 LCR) keep the following in mind. With nonDipole surrounds, the more directly they are aligned with your ears, the more localizable their sound. And since the
vast majority of surround information consists of sonic cues that aren’t supposed to be localized, this is particularly
undesirable. Generally then, non-Dipole surrounds should be placed well above ear level on the side or rear walls. As
opposed to Dipoles, Monopoles and Bipoles work best when placed on the side or rear wall, well above and not aimed
directly at the listening position.
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System 10 InWall Speakers
Mounting Issues System 10 LCR
We always recommend a professional be involved in the installation of InWall Theater System speakers, if
at all possible.
The System 10 LCR speaker can be easily mounted in most any standard wall material, from 1/2 to 1 1/2 inches (12
to 38 mm) thick. Its rotating wall clamps firmly fix it to the wall surface after the proper cutout has been made. Here
are some important precautions to take before mounting:
Keep the sides of the actual mounting hole at least 1 inch (25 mm) aw ay from beams or studs . The clamps require
3/4 of an inch (19 mm) to rotate, and a stud or other obstruction that’s too close will stop them from properly doing
their job.
Wall cavity size will effect the bass and midrange performance of any in-wall speaker. The System 10 LCR is
designed to play optimally in a 0.5 to 1.25 cubic foot space (864 to 2160 cu. inches, measured before wall insulation
is inserted). Cubic dimensions can be determined by multiplying the length x width x height of the cavity. A larger
cavity won’t hurt, but a smaller one will definitely impact the bass and midrange response of the system.
Some of the sound from the speaker will transmit to the space on the other side of the wall cavity. If this is a major
concern, you can build a box within the wall that provides the required cubic volume. The larger the volume, the
better the bass response will be, up to 1.25 cubic feet. Beyond this size there will be no effective performance
gain. Also please note that there is ver y little room behind the dr ivers in a standard “2 x 4” wall cavity (1/4 inch, 6
mm), so the back of any enclosure box must be made from relatively thin materials, yet it should not physically
contact the back wall. Typically then, the back wall material will be roughly 1/8 to 1/4 inch (3 to 6 mm) thick.
Insulate the speaker cavity with fiberglass wool, observing all the relevant precautions and instr uctions from the
insulation manufacturer. If you have built a back box, you can use common fiberfill (available at craft stores as
pillow stuffing), or fiberglass in the enclosure. Be sure to push the insulation back from the drivers to ensure that
it doesn’t get into the moving cone area.
Ceiling Mounting
It is especially important when mounting the speaker in a ceiling that you cover the back of the system with a
fiberglass window screening (available at any home center or hardware store) to keep insulation and other foreign
matter out of the assembly. You also should install safety wires from the rear of the assembly to a secure
mounting place, like adjacent beams or the floor above, for added security. Should you be installing System 10
speakers in a suspended ceiling, it is imperative to install safety wires from the speaker to the support str ucture
above, to ensure security under all conditions.
Installation of System 10 LCR in New Construction
Atlantic Technology offers an optional Rough-in Frame Kit to ease installation in new construction. Instructions for
its use are included with this kit. The kit’s model nomenclature is IN-NC-10
Installation of System 10 LCR in Existing Construction
Remove and Installing the Grille
Remove the grille from the speaker using an awl or the point of a drywall screw in a grille opening near one of the
grille corners. Slowly pry the grille out, being careful not to damage the speaker’s frame or its finish. Install the
grille by pressing it carefully into the appropriate opening in the frame assembly. Since it’s designed to fit snugly,
please take your time and use care when installing the grille.
Cutting the Opening
After determining the best location for the speaker as outlined above, use the enclosed template to cut the proper
size hole (15 13/16” x 7”, 402 x 178 mm). Exercise extreme care before making any wall cuts to ensure that
you will not cut through an y wires, pipes, or other items that may be in the wall. Y ou ma y sometimes, b ut not
always, be able to determine the approximate location of wires and pipes by looking at the locations of nearby
outlets and plumbing. But their location or absence is never an assurance that there is not something within
the wall cavity .
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System 10 InWall Speakers
Installing the Mounting Frame
The clamping mechanism allows the wall material to range from 1/2 to 1 1/2 inches (12 to 38 mm) in thickness . There
must be a minimum depth behind the wall face of 3 5/8” (92 mm). As noted above, be sure to keep the edges of the
cutout at least 1 inch (25 mm) away from any stud or obstruction, as the rotating clamps will not operate properly if
you don’t. The speaker baffle (the part with the drivers mounted in it) is designed to mount into the white frame after
the frame is mounted into the wall.
Insert the frame into the cutout and using a level or square carefully align it so it is (or it appears) level. Tighten the
mounting screws, which will cause the clamps to rotate and position themselves properly behind the wall, until the
frame is just snug in the wall. You want the bezel to conform to the wall board, and the frame not to rattle from the
speaker’ s vibration but be very careful not to overtighten the screws.
Painting the Speaker Assembly
The white plastic frame of the speaker baffle assembly and the metal grille may be left as is, or painted to match your
décor. You can paint the frame bef ore or after it is installed in the w all. Spra y painting (using slightly thinned paint) is
the best method to use for painting the grille. After painting the grille, use air pressure to “blow out” any grille holes that
are covered over with paint.
Speaker Connection and Assembly
Strip about ˚” of insulation from the connecting wires. Connect them to the appropriate push terminal, being careful to
observe polarity (positive to the red terminal, negative to the black terminal). Install the speaker baffle assembly into
the previously mounted frame assembly, being careful to ensure that the speaker wire isn’t pressed up against the
back of a speaker cone, and screw it into place using the supplied screws. Again, be careful not to overtighten the
screws. Insert the grille into the frame as outlined above , being careful not to damage the frame or the grille’ s finish.
High Frequency Level Control
There is a switch located behind the grille on the front of the speaker. This switch is accessible by removing the
grille as outlined above. You can change the switch setting with your fingernail or a small pointed object, such as
a ball point pen. The switch has three settings that adjust the high frequency output from the speaker. We strongly
recommend that you try all three settings, using both music and movies (if the System 10 LCR is part of a home
theater system). Please note that recordings var y in their sound balance so try several different discs. Tr y to
achieve the best balance of natural overall sound with good detail and clarity. The switch settings are “Normal” in
the lower position, “-2dB” in the middle position, and “+2dB” in the upper position. To aim the tweeter, press gently
on the plastic ring that surrounds the dome, but not the dome itself. Aim the tweeter at the prime listening position
when the LCR is used as a front speaker, and away from the listening position if it’s used as a surround.
Installation of System 10 SR Dipole Surround
IMPORTANT:
the installation instructions for the IN-INST-20SR for inf ormation pertaining to Installation Bracket mounting, and its
use as a rough-in assembly in new construction. The following instructions primarily apply to the final installation of
the speaker system into the already mounted Installation Bracket.
The following instructions cov er only the System 10 SR. When the Installation Bracket has been used as a rough-in
device in ne w constr uction, pr oceed dir ectly to St ep 4.
Cutting the Opening - Installing the Installation Bracket
After determining the best location for the speaker as outlined above, use the templat e ( enclosed in the Installation
Bracke t kit) to cut the proper size hole. (System 10 SR - 11” x 1 4 3/8”, “landscape” orientation).
the hole level as there is no “play” between the speaker and the Instal lation Bracke t.
Note that the Installation Bracket is required f or all installations, new construction or retrofit. Please see
It’s v ery important to cut
IMPORTANT: Ex ercise extreme care bef ore making any wall cuts to ensure that y ou will not cut through any
wires, pipes, or other items that may be in the wall. Y ou may sometimes, but not alwa ys, be able to determine
the approximate location of wires and pipes by looking at the locations of nearby outlets and plumbing. But
their presence or absence is never an assurance that there is not something within the wall cavity .
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System 10 InWall Speakers
There must be a minimum depth behind the wall face of 3 5/8 (92 mm). Be sure to keep the edges of the cutout at
least 1 inch (25 mm) away from any stud or obstruction. The speaker assembly itself (the part with the drivers
mounted in it, the trimming bezel, etc.) is designed to mount to the Installation Bracket after it has been installed
within the wall.
Step 1. Tilt one corner of the Installation Bracket into
the opening and continue to slide it fully into the wall
cavity until it fits completely into the cutout. Be sure to
position the side extensions so they press against the
inside of the wall.
Step 2. Carefully insert the tabs into the Installation
Bracket as shown in Fig. 1. The y are a tight fit and are
best installed by “clamping” them with your hand as
shown. Alternately, there are predr illed holes in the
side flanges of the Installation Bracket that may be
used to hold the assembly to the wall board with #6
self-threading screws, instead of using the tabs. These
screws will be hidden by the speaker’ s bezel when it is
mounted.
Step 3. After the Installation Bracket is fixed in place
note that there are holes near the center of the long
sides that can be used to secure feed wiring using the
included nylon wire ties.
Fig 1 Installing the Mounting Bracket
Step 4. Strip about ˚” of insulation from the connecting wires. Insert them into the appropriate push terminal on the rear of the speaker assembly, being careful
to observe polarity (positive to the red terminal, negative to the black terminal). T ypically, with standard “zip”
cord wiring the marked wire is used for the positive
lead. Markings typically consist of a thread within one
conductor, printing on the wire’ s insulation, a ridge or
ridges on the insulation, or a flat side to the insulation.
Step 5. Carefully position the speaker assembly into
the wall cutout and Installation Bracket. Check that
it’s level and then attach the speaker to the Installation Bracket with the included 3 inch #6 self-tapping
screws. (If the assembly is not level, you can oversize the wall opening very slightly to allow straightening the bracket and speak er .)
Fig. 2 Installing the clamping tabs
clamp the wall board between them.
Be very careful not to overtighten the screws as this can make the grille difficult
Step 6. Tighten the mounting scre ws, which in turn
will cause the bezel and the Installation Bracket to
or impossible to install. The outer trim bezel has been specially designed to flex and conform to the wallboard. This
makes for a good seal and eliminates rattles but it also means that the speaker mounting screws should be snug, but
not overly tight.
Should you have any questions or problems please feel free to contact us at 781-762-6300 or through our web site,
Customer Service@atlantictechnology .com.
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System 10 InWall Speakers
Speaker and Cutout Dimensions
OutsideDimensions
System 10 LCR
8 13/16 inches
15 13/16 inches
7 inches
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Cutout
17 1/4 inches
Dimensions
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System 10 SR Surround
15 5/8 inches
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OutsideDimensions
11 inches
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
14 3/8 inches
Cutout
Dimensions
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12 1/16 inches
System 10 InWall Speakers
Proportions illustrated are for 16"
on-center 2" X 4" stud installation.
See table below for proper dimensions.
Toe nail or screw
to hold firebock
in position until
sealant dries.
Seal edges with
caulking
Mounting Hole
Outline
Speaker Frame
Outline
System 10 LCR InWall Enclosure Recommendations
Please use this information to construct an in-wall enclosure if you so desire.
Doing so will generally improve the performance and increase the power handling
of the system. We have not included information for the System 10 SR since one
of its woofers is self-enclosed and the other will not generate anywhere near
the bass energy the LCR system will.
Be sure to line the cavity with weatherproof insulation, being careful to avoid
letting the insulation touch the backs of the woofer cones. It’s also important to
seal the joints of the enclosure with a high quality non-shrinking caulk.
Be careful to keep the wires from touching the chassis of the drivers or baffle in
such a manner that the wire might vibrate and buzz. You may use nylon wire ties
to keep the wires properly positioned. Such ties are available that are designed
to screw directly to studs making them ideal for this purpose.
As always, take care to wire the speakers properly, with the positive lead (normally
marked with a red terminal or a “+” sign) from the amplifier connected to the
positive terminal on the speakers and the negative (marked with a black terminal
or a “-” sign) connected to its respective terminals.
See table
for proper
dimension
2 x 4 Construction 1ft
16" O.C.Studs 34" 42.5"
24" O.C. Studs 22" 27.5"
2 x 6 Construction 1ft
16" O.C.Studs 21.7" 27"
24" O.C. Studs 16"* 17.5"
* Minimum cut out height is 15.8".
Placing the fire block at 16" yields
an internal volume of 1.15ft
3
3
1.25ft
1.25ft
3
.
3
3
System 10 LCR System 10 SR
Dimensions 17 1/4"H x 8 7/16"W x 3 5/8"D
Cut-out Dimensions 15 13/16"H x 7"W
Optimum wall volume 0.5 - 1.25 cu. ft.
Orientation Vertical (Portrait)
Drivers/Design 2 - 6.5" IMG woofers
1 - 1" Silk dome tweeter
D'Appolito array
Frequency Response 46 - 20kHz +/- 3dB
Sensitivity 89dB
Impedance 6 Ohms
Crossover F requency 3400Hz, 4th order Linkwitz-Riley
Companion Components Subwoofer(s):
4.5 PBM, 172 PBM, 272 PBM
Surround(s):
System 10 SR, 4.5 SR, 174 SR,
274T SR, System 20 SR
Mounting Brackets for
Surround Speakers 174 SR = IN-RF BRK (no trim kit)
274 T = 274 IN-RF (w/trim kit)
New Construction Kit IN-NC-10
Dimensions 12 1/16"H x 15 5/8" x 3 5/8"D
Cut-out Dimensions 11"H x 14 3/8"W
Optimum wall volume 0.5 cu. ft. or greater
Orientation Horizontal (Landscape)
Drivers/Design 2 - 4.5" IMG woofers
2 - 3/4" soft dome tweeter
Frequency Enhanced Dipole
Frequency Response 100 - 20kHz +/- 3dB
Sensitivity 88dB
Impedance 6 Ohms
Crossover F requency 5000Hz
Companion Components Satellites:
System 10 LCR, 171 LR, 271 LR
Required Mounting Bracket IN-INST-20SR
New Construction Kit Same as above
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010-1164
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