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IW-105L R and IW-110L R
High Performance In-Wall
Theater System Speakers
ank you for purchasing Atlantic Technology prod-
ucts. Our speaker systems have been designed to deliver
exceptional sound and value. We hope you like what you
hear from them, and are happy with your decision to
buy them.
Please take a few moments to read these instructions.
ey'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
e 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 . – 16 ga.
15 to 30 . – 14 ga.
>30 to 50 . – 12 ga.
Location Considerations
A major determinant of any speaker's sound quality is its
location in the room. With in-wall speakers there are
fewer placement options than with free-standing speak-
ers, so giving some thought to location can really pay
off. Our In-Wall eater Systems have been designed to
minimize the detrimental effects wall mounting can
have on sound, so they sound better than conventional
in-wall speakers.
Room Acoustics
Hard surfaces create lots of sound reflections in the
room while so surfaces tend to absorb sound. Note the
speakers' location in terms of proximity to glass and
other highly sound reflective or absorptive surfaces. A
simple set of curtains or an area rug can make a major
difference in sound quality and intelligibility by reducing
excessive reflections.
e more similar the speaker's surroundings, the more
consistent the sound will be. So placing one speaker di-
rectly adjacent to a glass wall, with the other speaker by
an open archway, will make for two dramatically differ-
ent sounding speakers.
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 subwoofer, changing its
placement within the room may reduce these effects. But
when in-wall speakers are utilized full range, the only real
option is to change the listening position, if you end up
in a difficult bass area.
Speaker Placement
For all the following situations, it's recommended that you first place small
box speakers in the proposed locations, just to get a good idea of how that
location will sound. In-wall speakers are tough to move once they're installed!
Stereo Music Listening
For stereo music reproduction the speakers are best located at approximately
ear level when seated, both on the same wall, facing the prime listening lo-
cation. A separation of approximately six to eight feet between the le and
right speakers is usually good. Ideally, the distance between the two speakers
will be the same as the distance from the speakers to the listening position.
e speakers and the listening position will then form an equilateral triangle.
ere is a benefit to mounting the speakers approximately the same distance
from the side walls, so they both create the same reflective patterns.
Home Theater Systems
Today's home theater systems require you to place six or more speakers in
your room. For the most convincing theater effects, speaker placement must
be very carefully thought out. is is especially true with in-wall speakers,
since their installation is permanent!
Le/Center/Right Locations: e tweeter in the front three speakers should
be at or just above ear height when seated, just as with stereo speakers. Try to
keep the vertical position of the three front speakers within 18 inches of each
other, as this will maintain smooth, believable le-center-right pans.