INNOVATIVE HOME
ATc8
8” 2-Way In-Ceiling Speakers
Congratulations on your purchase of the Phoenix Gold IH
ATC Series In-Ceiling Speaker System. This product
is designed to reproduce the audio portion of your
home entertainment environment 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
Existing Construction
In most modern buildings ceiling joists are positioned
on 16” centers, providing a space between the studs 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.
6) A Stud Finder (recommended)
7) Your ATC Series speakers
Placement
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.
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 Series speakers can be mounted in
walls, but are typically used in ceilings. The speakers
should be located so that they provide even coverage
at your listening position. The distance between the
speakers should not be greater than the distance from
the speakers to the listening position (See Figure 1).
If the room’s dimensions or furniture placement prevent
adhering to this requirement, the tweeters in the ATC
Series speakers can be swiveled to aim them at the
desired listening position.
11’
11.5’
20’
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 Series speakers.
16’
Figure 1
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Next make sure that the clamps are positioned inside the
frame of the speaker.
Painting the Speaker
Two paint shields are included in each ATC Series
speaker package. Place the paint shield inside the
frame to protect the speakers. You can now safely
paint the speaker frames to match your wall surface
if you desire.
Correct
When painting the grill caution should be taken to
ensure that paint does not clog or congest the
perforated openings in the grill. This would prevent
proper operation of the grill by restricting the airflow
from the individual drivers in the speaker.
Removing the ATC Series Speaker
Should it ever become necessary to remove the ATC
Series speaker from the ceiling, simply remove the
grill and turn the four mounting screws counter-
clockwise until you feel the clamps lock out of position
in their resting flange. The speaker should easily
come out of the wall for service or replacement.
Incorrect
With the grill removed, place the speaker in the ceiling
opening. Make sure that the speaker wire is not hanging
against the speaker where it can vibrate and rattle as the
speaker reproduces your audio program.
2
Next, one at a time, turn
each of the four screws
that operate the clamps
counter clockwise a few
turns until you feel the
clamp is loose from its
resting position. Now turn
the screw clockwise until
you feel the clamp contact
the ceiling surface.
1
Grill Removal (if installed)
Locate a small hook tool
(available at most auto parts
stores or home improvement
shops, resembling a dentist’s
pick- a bent paper clip or
stiff wire will work as well),
hook the metal mesh of the
grill near a corner or edge
and gently pull it towards you.
Only lift the grill 1/4" (6mm) at
this location. Move the tool
1-2" (25-50mm) and repeat
until the grill can be removed
without damaging it (Figure 6).
3
4
Tighten all four of the mounting screws in the same
manner until the speaker is properly aligned and held
tight to the ceiling surface. Caution: Do not over tighten!
Aiming the Tweeter
Figure 6
Carefully place your fingertips at the plastic edges of the
tweeter housing.
Recommended Speaker Wire Gauges
Press Here
The resistance of the speaker wire in your installation
can cause your speakers to perform at less than their
optimum quality level. Excess resistance caused by
using an undersized speaker wire can result in loss of
detail and definition in the bass region of your audio
program, as well as loss of dynamic range. Over
extremely long wire runs you may even experience a
loss of high frequency content in the audio signal.
Press Here
Press Here
Press Here
Using gentle pressure, swivel the tweeter to aim the axis
of the tweeter toward the listening area. You can use a
piece of music with a solid center-imaged vocalist to
assist in correctly aiming the tweeter. When the tweeters
are properly aligned, you will hear a coherent and stable
center image from your listening position. Usually, it is
sufficient to aim the tweeter only, as it handles the
frequencies that control the direction of individual sounds
in your audio program material.
To prevent sonic degradation in your ATC Series
speaker installation, total speaker wire resistance
should be kept below 0.5 ohms. The following table
lists recommended speaker wire gauge versus wire
run length.
50’ or less - 16 Gauge 2-Cond. CL3 Rated
50’ - 150’ - 12 Gauge 2-Cond. CL3 Rated
150’ - 200’ - 10 Gauge 2-Cond. CL3 Rated
3
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ATc8
Specifications
Woofer
8” Mica Filled Poly Cone with Butyl Rubber Surround
Tweeter
Frequency Response
Impedance
Pivoting 25mm ferrofluid Cooled
38Hz to 22kHz
8 ohm
Sensitivity
90dB, 2.83v @ 1m
10 to 150 Watts
10.75” (273mm) diameter
9.3” (236mm) diameter
3.63” (92mm)
Power Capacity
Outer Dimension
Cut Out Dimension
Mounting depth
New Construction Bracket
Order Part Number: NCBC8
Two Year Limited Warranty
Phoenix Gold Innovative Home, a division of Peak Audio Group, warrants this product against defects in materials and
workmanship for a limited period of time. For a period of two (2) years from date of original purchase, we
will repair or replace the product, at our option, without charge for parts. Customer must pay for all labor
charges associated with the removal and re-installation of speakers for the limited period and all parts and
labor charges after the limited warranty period expires. The limited warranty period for factory refurbished
products expires after ninety (90) days from date of original purchase. This limited warranty applies only to
purchases from authorized Phoenix Gold Innovative Home Retailers or Distributors. This limited warranty is
extended only to the original purchaser and is valid only to consumers in the United States.
Consumers are required to provide a copy of the original sales invoice from an authorized Phoenix Gold
Innovative Home Retailer or Distributor when making a claim against this limited warranty. This limited
warranty only covers failures due to defects in materials or workmanship that occur during normal use. It
does not cover failures resulting from accident, fire, flood, misuse, abuse, neglect, mishandling,
misapplication, alteration, faulty installation, modification, service by anyone other than Phoenix Gold
Innovative Home, or damage that is attributable to Acts of God. It does not cover costs of transportation to
Phoenix Gold Innovative Home or damage in transit. The customer should return their defective product,
freight prepaid and insured, to Phoenix Gold Innovative Home only after receiving a Return Authorization.
Repair or replacement under the terms of this warranty does not extend the term of this warranty. Should a
product prove to be defective in workmanship or material, the consumer's sole remedies will be repair or
replacement as provided under the terms of this warranty. If the defective product is discontinued Phoenix
Gold Innovative Home may replace the product with an equivalent or superior product at its option. Any cost
of re-installation or repair of wall or ceiling surface is the sole responsibility of the customer and that cost
shall not be the responsibility of Phoenix Gold Innovative Home. Under no circumstances shall Phoenix
Gold Innovative Home be liable for loss or damage, direct, consequential or incidental, arising out of the
use of or inability to use the product. There are no express warranties other than described above.
INNOVATIVE HOME
13970 SW 72nd Avenue Portland, Oregon 97223
503.914.4688 Fax: 503.746.5224 Support: 877.715.5439
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