Atlantic Technology IWTS-8 CMS Petunjuk Instalasi

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IWTS-6 CMS and IWTS-8 CMS

TriMode Ceiling Speakers

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Installation Instructions

Thank you for purchasing Atlantic Technology speaker products, these

unique, TriModespeakers solve myriad surround sound and distributed

audio installation problems. We work very hard to ensure that all of

our speakers consistently deliver exceptional performance and value.

We hope you enjoy them to their fullest. Please take a moment to read

these instructions so you can get the most from your speakers.

Mounting Specifications

These speakers are intended for mounting in a ceiling, in material

ranging from 0.5 inches to I inch thick. They require at least 3-7/8

inches for the 6 CMS and 4-1/4 inches for the 8 CMS clearance behind

the front surface of the ceiling. The mounting opening for the 6 CMS is

7-7/8 inches in diameter. The mounting opening for the 8 CM Sis 9-1/2

inches in diameter. These speakers will work equally as well in a wall

as in a ceiling, however note that the 8 CMS requires more mounting

depth than is normal in a 2x4 studded wall.

Operating Modes and Locations

Mono Mode

Use Mono mode when the speaker will play a single

channel of information (as either the left or right channel of a stereo pair

of speakers). When used in Mono mode, both tweeters reproduce the same

signal. In Mono mode the speaker can be located anywhere within the

listening area. Generally however, it's best to keep it at least 24 inches away

from any wall boundaries (ceiling/wall/corner). Placing any speaker in dose

proximity toother boundary surfaces will always "color" the sound that the

speaker produces. Even speakers that incorporate frequency adjustments to

compensate can only make small improvements to the detrimental effects

ot boundary reflections. The more directly under the speaker you are. the

more high frequency information you will hear. Should you be using two

speakers in Mono mode to reproduce stereo, consider where the majority

and high frequency sound throughout the room and hence improve the

system's performance.

Stereo Mode

In Stereo mode each of the woofer's dual voice coils

and the tweeters receives their own signals. The result is stereo repro¬

duction (albeit with limited separation) from a single speaker. This is

particularly advantageous in distributed audio systems where there is a

desire to have stereo sound in many rooms, but with as few speakers as

possible. Unlike so many ceiling speakers, the 8 and 6 CMS use very high

quality component parts and sophisticated designs to deliver excellent

sound quality; sound quality so good that it will surprise you. When

installed as a single point stereo speaker it's typically best to locate the

speaker as centrally within the listening area as possible. Directly in the

center of the room, or in the middle of the prime seating area.

Tri Vector * Surround Mode

TriVector mode puts the two tweet¬

ers in each speaker out of phase with each other. The result, when you

sit centered on the tweeter array, is a non-localizablc sound field that

helps re create the surround field intended by the movie's director.

Since the goal of Home Theater is to get you "lost in the movie," a

diffuse surround field almost always works best. To that end the ideal

location for most diffuse surround speakers is directly to the sides of

the prime listening area. However, in many rooms there's simply no

place to conveniently place speakers to the sides. Until the introduction

of Atlantic's TriVector ceiling surrounds, the ceiling was an often used,

but generally less than ideal alternative.

When used in TriVector mode these speakers are best placed in the

ceiling to the sides of the prime listening location, with the tweeters

aimed towards the front and back of the room. You can also place the

speakers to the side and slightly forward or back of the prime listening

position, keeping the tweeter orientation as noted above. There's a 15

degree "window" of placement forward or back of the listening position

that is acceptable. But note that any more forward or back and you'll lose

the diffuse effect. Also note that, due to the low midrange frequencies

coming from the woofer, if you place the speakers directly over the

listening position there will be a fair amount of localizable surround

sound even when the speakers are set to TriVector mode.