Atlantic Technology THX ULTRA 2 IW-155 Manuale di istruzioni - Pagina 3
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Instruction Manual
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. 16 ga.
15 to 30 ft. 14 ga.
>30 to 50 ft. 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 speakers, so giving some thought to location can really pay
off. Our In-Wall Theater Systems have been designed to minimize the det-
rimental 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 soft 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.
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!
For all the following placement instructions, it's important to bear in mind
that for aesthetic considerations, many people prefer to mount their in-wall
speakers well above seated ear level, as doing so minimizes the speakers'
visual intrusion on the room.
The IWTS-155 LCR uses Atlantic's renowned 1" soft-dome Low Reso-
nance Tweeter (LRT™). Because of its low crossover point, this remarkable
tweeter allows the IWTS-155 LCR to deliver much wider midrange disper-
sion than conventional in-wall speakers for greater placement flexibility,
without the severe acoustic and mechanical drawbacks of the so-called
"pivoting tweeter."
Stereo Music Listening
For stereo music reproduction, place the speakers at approximately ear
level when seated, with both speakers on the same wall facing the prime
listening location. A separation of approximately 6 to 8 feet between the
left and right speakers is usually good. Ideally, the distance between the
two speakers will be close to the same as the distance from the speakers to
the listening position.
Speaker Placement
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