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Congratulations on your purchase of the Phoenix Gold
Innovative Home ATC Dual Mono (DM) In-Ceiling
Speaker System. This product is designed to reproduce
the audio portion of your home entertainment environ-
ment with accuracy and detail that will satisfy the most
discriminating listener.
Please read this Installation Manual to ensure the
proper installation and performance of your ATC
Series speakers.
Preparing for your Installation
Gather the necessary tools for your installation.
You will need the following tools:
1) A Keyhole or Drywall Saw
2) A Phillips Screwdriver
3) Masking Tape
4) A Pencil
5) A Tape Measure
6) A Stud Finder (recommended)
7) Your ATC-DM speaker
Placement
Plan your speaker placement carefully. Make certain
that electrical, plumbing and any other services will not
interfere within the ceiling where you plan to install your
speakers. The ATC-DM speaker can be mounted in
walls, but are typically used in ceilings. The speaker
should be located so that it provides even coverage
at your listening position.
New Construction
If you are installing your speakers in new construction
before the finished walls go up, Phoenix Gold Innovative
Home offers New Construction Brackets, which provide
a stable frame that can be fastened to the wall studs or
ceiling joists on 16” or 24” centers. This allows the
sheet rock or other surface covering to be installed
and provides a template to cut the opening for the
ATC-DM speaker.
ATC6DM
Use a stud finder to locate the joists behind the ceiling
surface. Also, you should now check for obstructions
like cross bracing in front of and behind the desired
speaker location.
6.5” 2-Way In-Ceiling Speakers
Existing Construction
In most modern buildings ceiling joists are positioned
on 16” centers, providing a space between the joists of
approximately 14 3/8”. The specifications chart shows
the appropriate cut out sizes (p. 4). Additionally, you
should allow an extra 3/4” in all directions behind the
ceiling surface to allow room for the screw clamps that
mount the speaker to the ceiling to swing into position.
ATC-DM Summed Mono Speaker Operation
The ATC-DM speaker is designed for use in areas where
even distribution of sound is desired but stereo imaging
is not practical because of space limitations, such as a
bathroom or long hallway.
With a dual voice coil woofer and dual tweeters, the
ATC-DM speaker can sum stereo amplifier channels
into a mono audio signal. Two pairs of input terminals
allow connection of both channels from a stereo amplifier
to a single ATC-DM speaker. Set the switch on the back
of the ATC-DM speaker to 16Ω for summed mono
operation.
Caution! Amplifier damage will occur if the ATC-DM is
set to 8Ω with two amplifier channels connected!
ATC-DM Conventional Speaker Operation
An ATC-DM speaker can be used to reproduce a single
channel of audio by making connection to either set of
input terminals and setting the switch on the back of the
speaker to 8Ω. In this configuration, both woofer voice
coils and both tweeters are driven in parallel by the
connected amplifier channel.
INNOVATIVE HOME