Phase Technology Speaker CM82 EZ User Manual

In-Ceiling Speaker  
CM82-EZ  
Technical Information for System Engineers  
Preliminary Technical Information  
Key Features  
• One 203 mm (8 in) polypropylene woofer  
with cloth surround and one 25.4 mm  
(1.0 in) silk tweeter.  
• Reduced amplification costs and maxi-  
mum efficiency 91.3 dB sensitivity, 16  
Ohm impedance and a sealed enclosure.  
• Superior voice intelligibility with an  
average coverage angle of 77° (Indepen-  
dently verified, 2 – 10 kHz).  
Specifications: CM82-EZ  
Tile bridge included  
System Type  
8" Coax, in-ceiling, sealed (64 Watt transformer for  
25/70.7/100 Volt or 16 Ohm direct)  
• Easy-access 5-position tap switch for  
25/70.7/100 Volt and 16 Ohm settings  
allows for easy ordering, stocking and  
installation.  
Impedance (nominal) 1  
16 ohm  
Sensitivity dB @ 2.83V/1M  
Sensitivity dB @ 1W/1M 2  
Frequency Response (- 3 dB) 3  
Frequency Response (-10 dB) 3  
Max. Program Power 4  
Max. Continuous Power RMS 5  
Max. Power SPL @ 1 M 6  
88.3 dB  
91.3 dB  
90 Hz - 22 kHz  
45 Hz - 22 kHz  
128 w  
64 w  
109.4 dB  
110º  
• Incorporates a painted steel grille for  
lasting durability.  
• UL 1480 & 2043, cUL, CE (EMC Direc-  
tive 89/366/EEC, EN55020, EN55013)  
approved.  
Coverage Angle (-6 dB @ 2 kHz)  
Coverage Angle (-6 dB @ 10 kHz) 50º  
• Adaptable to material thicknesses rang-  
Coverage Angle  
80º (Avg. 2 - 10 kHz)  
Directivity Factor (Q)  
Directivity Index (DI)  
Tap Selector  
4.2 (Avg. 100 Hz - 10 kHz) ; 4.3 (2 kHz)  
5.6 dB (Avg. 100 Hz - 10 kHz) ; 6.3 DB (2 kHz)  
5-Position rotary switch with 16 ohm direct  
ing from 0.04 in (0.9 mm) to 1.60 in (40.6).  
• Included accessories: Tile bridge, UL  
listed 0.5” conduit clamp, paint shield &  
2 wire nuts.  
Transducer - Low Frequency Driver 203 mm (8 in) Polypropylene cone, butyl rubber surround  
Transducer - High Frequency Driver 25 mm (1in) Silk tweeter  
• Optional accessories: Color-coded pre-  
construction bracket (AC-CMEZ6/8-PCB)  
and Junction Box (AC-CM-EZ-PCB).  
Low Frequency Voice Coil  
Crossover Frequency  
Network Type: Low Pass  
Network Type: High Pass  
Enclosure Material  
Grille  
25.4 mm / 1.00 in  
5.0 kHz  
6 dB per octave, 1st order  
6 dB per octave, 1st order  
Drawn steel backcan with ABS baffle  
Iridite-plated steel with powder-coat finish  
18-Gauge hard wired leads  
Black or white  
• High-quality black or white painted fin-  
ish. Custom colors available.  
Inputs  
Colors  
Description  
The CM82-EZ is a 8” coaxial 2-way  
blind-mount in-ceiling speaker which  
delivers true high-efficiency and perfor-  
mance across the operating bandwidth.  
By incorporating a 8" polypropylene  
driver with a butyl rubber surround in a  
sealed drawn steel backcan, this speaker  
delivers maximum frequency response  
(45 Hz – 22 kHz, - 10 dB) an integrated  
enclosure design.  
Backcan Diameter  
Backcan Height  
Visible Diameter  
Visible Height  
Mounting Hole Diameter  
Min / Max Ceiling Thickness  
Weight  
Shipping Weight  
Accessories  
Included  
9.67 in / 245.6 mm  
5.75 in / 146.1 mm  
11.75 in / 298.5 mm  
0.34 in / 8.6 mm  
10.50 in / 266.7 mm  
0.035 in / 0.9 mm – 1.60 in / 40.6 mm  
9.0 lb  
10.0 lb  
Tile bridge, UL listed flex conduit clamp, paint shield cutout  
template, wire nuts  
Optional  
Packaging  
Regulatory - UL  
Regulatory - CE  
Pre-Construction Bracket (AC-CMEZ6/8-PCB)  
1 per box  
Approved 2043 & 1480  
Approved  
Mounting hardware is included and  
features a constant-tension mounting  
system with a 21 gauge “full-metal” steel  
tile bridge ensuring rapid and secure  
installation in any sheetrock or drop-tile  
application. For easy ordering, stock-  
ing and installation, this series includes  
a color-coded (green) tile bridge and  
optional pre-construction bracket, 5-posi-  
tion tap switch for 25, 70.7 & 100 V appli-  
cations with voice coil/16 Ohm bypass.  
1
Impedance listed per IEC 60268-5  
Transformer Taps  
2
1w1m sensitivity determined using nominal  
impedance  
70.7 V Output  
100 V Output  
25 V Output  
8 w 100.5 dB  
4 w 97.5 dB  
2 w 94.5 dB  
1 w 91.5 dB  
3
Frequency response measured in half or  
full space as dictated by speaker mounting  
configuration  
64 w 109.5 dB 64 w 109.5 dB  
32 w 106.5 dB 32 w 106.5 dB  
16 w 103.5 dB 16 w 103.5 dB  
8 w 100.5 dB  
4
Max program power is 3 dB above max  
continuous power  
5
5
6
Continuous power rating, EIA-426-B test  
Max output based on max continuous power  
Max useable SPL based on testing  
by NWAA Labs  
© 2008 SoundTube Entertainment. All rights reserved. PN-TS-CMEZ REV 06.12.08  
 
In-Ceiling Speaker  
CM82-EZ  
Technical Information for System Engineers  
constructed of silk material using a  
balanced-dome configuration.  
spaces. The CM82-EZ incorporates a  
secondary attachment point for added  
security, or where required by code.  
Independent Data  
Acquisition & Verification  
Performance specifications of a typi-  
cal production unit shall be as follows:  
Usable frequency range shall extend  
from 45 Hz - 22 kHz, -10 dB. The loud-  
speaker shall be available with select-  
able 25/70.7/100 Volt and 16 Ohm/  
voice coil direct tap switch. The fre-  
quency dividing network shall have a  
crossover frequency of 5.0 kHz. Rated  
power capacity of the components and  
network shall be at least 64 Watts con-  
tinuous RMS power and conform to  
EIA-426-B testing. Maximum continu-  
ous output at 1 meter shall be at least  
109.4 dB.  
All data for SoundTube speakers is  
independently collected from and veri-  
com) using their proprietary MACH  
testing system. All data is collected and  
analysed according to ASTM, ISO and  
AES standards using EASERA, TEF and  
MLSSA. Full balloon data including  
both phase and magnitude is compiled  
into a variety of formats including EASE  
4.x, GLL and CLF.  
Installation for the CM82-EZ shall  
be by 2-screw blind-mount constant-  
tension winged assembly and shall  
attach to ceiling thicknesses ranging  
from 0.04 in to 1.6 in. The external wir-  
ing shall be hardwired using wire nuts  
accepting up to three 18-gauge wire.  
The CM82-EZ is factory preset to the  
64 Watt setting in the 70.7 Volt operat-  
ing mode, with a tap switch located on  
the front baffle. The system shall be  
the SoundTube CM82-EZ for both low  
& high impedance applications.  
Architectural  
Specifications  
SoundTube Entertainment  
The loudspeaker shall consist of  
one 203 mm (8 in) low-frequency  
The backcan shall be constructed of  
galvanized steel with an ABS plastic  
baffle. The grille shall be constructed  
of painted steel. Shipped complete  
with UL-listed flex conduit clamp,  
color coded tile bridge (to match color-  
coded backcan), grille, wire nuts,  
cut-out template and paint shield, the  
integrated CM82-EZ in-ceiling speaker  
is engineered for high performance  
and rapid installation in plenum  
6430 North Business Park Loop  
Park City, Utah 84098  
Phone 435.647.9555  
transducer and one 25.4 mm (1.0 in)  
high-frequency transducer with a fre-  
quency dividing network installed in  
a sealed enclosure. The low-frequency  
voice coil diameter shall be 25 mm  
(1 in). The low-frequency transducer  
shall have polypropylene cone mate-  
rial with a butyl rubber surround. The  
high-frequency transducer shall be  
Fax  
Toll Free  
435.647.9666  
800.647.TUBE  
All SoundTube products come  
with a 5-year limited warranty.  
Polar Plots  
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Technical data, EASE plots, SoundTubeSPEC software & product downloads available at www.soundtube.com  
 
In-Ceiling Speaker  
CM82-EZ  
Technical Information for System Engineers  
Mechanical Drawings  
Side  
Top  
146.1 mm  
(5.75 in)  
245.6 mm  
(9.67 in)  
298.5 mm  
(11.75 in)  
Included Accessories  
598.25 mm  
(23.55 in)  
269.24 mm  
(10.60 in)  
383.86 mm  
(15.11 in)  
Paint Mask  
Tile Bridge  
Optional Accesories  
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Junction Box (AC-CM-EZ-JBOX)  
Pre-Construction Bracket (AC-CMEZ6/8-PCB)  
SoundTube Entertainment manufactures a complete line of speakers for:  
Open-Ceiling • In-Ceiling • Surface-Mount • Outdoor • Sound-Focusing  
All SoundTube products are designed and engineered in the USA.  
 

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