Phase Technology Speaker CM EZ II User Manual

Open-Ceiling Speaker  
CM-EZ-II  
Technical Information for System Engineers  
Key Features  
• SnapCam4-point, spring-loaded  
system for rapid installation.  
• One 203 mm (8 in) Polypropylene cone  
with butyl rubber surround and one  
25 mm (1 in) polypropylene balanced-  
dome tweeter with FerroFluid.  
Specifications: CM-EZ-II  
Tile bridge included  
• Integrated backcan and 25/70.7/100 Volt  
and 8 Ohm tap settings for ease of  
ordering, stocking and installation.  
System Type  
8” Coax, open-ceiling, sealed (20 Watt transformer for  
25/70.7/100 Volt or 8 ohm direct)  
8 ohm  
93.0dB  
93.0dB  
N/A  
76 Hz - 22 kHz  
54 Hz - 22 kHz  
80w  
40w  
40w  
109.0dB  
N/A  
100°  
Impedance (nominal) 1  
Sensitivity dB @ 2.83V/1M  
Sensitivity dB @ 1W/1M 2  
Distance Factor  
Frequency Response (- 3 dB) 3  
Frequency Response (-10 dB) 3  
Max. Program Power 4  
Max. Continuous Power RMS 5  
Max. UL program power  
Max. Power SPL @ 1 M 6  
Max. SPL @ x% distortion 7  
Coverage Angle (-6 dB @ 2 kHz)  
Quick release mechanism for easy servicing.  
• UL/c, UL 1480 & 2043, CE (EMC  
Directive 89/366/EEC, EN55020,  
EN55013) approved.  
• Adaptable to material thicknesses  
ranging from 1/2 in (12.70 mm)  
to 3/4 in (19.05 mm).  
Description  
The CM-EZ-II is a 2-way blind-mount  
in-ceiling speaker. The CM-EZ-II speaker  
design incorporates an 8" polypropylene  
driver with rubber surround and a 7.3  
liter steel backcan for extended frequency  
response (54 Hz – 22 kHz, - 10 dB).  
SoundTube’s integrated CM-EZ-II design  
includes unique & patented blind mount  
SnapCaminstallation technology and a  
21-gauge steel tile bridge ensuring rapid  
and secure installation in any sheetrock  
or drop-tile ceiling. For easy ordering,  
stocking and installation, the CM-EZ-II  
comes with a 6-position tap switch for  
25, 70.7 & 100 V applications with voice  
coil/8 Ohm bypass.  
Coverage Angle (-6 dB @ 10 kHz) 65°  
Directivity Factor (Q)  
Directivity Index (DI) dB  
Tap Selector  
6.09  
6.2dB  
7.33  
8.7dB  
Avg. 100 Hz @ 10 kHz;  
Avg. 100 Hz @ 10 kHz;  
@ 2 kHz  
@ 2 kHz  
6-Position rotary switch with 8 ohm direct  
Transducer - Low Frequency Driver 203mm (8in) Polypropylene cone, butyl rubber surround  
Transducer - High Frequency Driver 25mm (1in) Polypropylene dome tweeter  
Low Frequency Voice Coil  
Crossover Frequency  
Network Type: Low Pass  
Network Type: High Pass  
Enclosure Material  
Motor-board  
25.4mm 1.00in  
5.6kHz  
6dB per octave, 1st order  
6dB per octave, 1st order  
Drawn steel backcan with ABS baffle  
N/A  
Grille  
Inputs  
Colors  
Iridite-plated steel with powder-coat finish  
18-Gauge hard wired leads  
Black or white  
Backcan Diameter  
Backcan Height  
Visible Diameter  
Visible Height  
9.13 in / 231.8 mm  
7.50 in / 190.5 mm  
10.75 in / 273.1 mm  
0.20 in / 5.1 mm  
Applications  
Mounting Hole Diameter  
Min / Max Ceiling Thickness  
Weight  
Shipping Weight  
Accessories  
Included  
Optional  
Packaging  
9.75 in / 247.7 mm  
0.50 in / 12.7 mm – 0.75 in / 19.1 mm  
7.0 lb / 3.2 kg  
Engineered for general background to  
foreground music & paging applications,  
the CM-EZ-II is ideal for retail stores,  
restaurants, airports, churches, conference  
centers & boardrooms.  
7.9 lb / 3.6 kg  
Tile bridge, UL listed flex conduit clamp, paint shield  
Pre-Construction Bracket (AC-CM-EZ-PCB)  
1 per box  
Patented SoundTube  
Technologies  
1
Transformer Taps  
Impedance listed per IEC 60268-5  
2
3
SoundTube Entertainment is constantly  
developing new technologies that enhance  
audio product performance. SoundTube  
Entertainment innovations are protected  
by multiple U.S. & international patents,  
which explicitly cover SoundTube dome,  
enclosure and dispersion technologies.  
SoundTube Entertainment actively defends  
its patents in order to protect SoundTube  
resellers and end users.  
1w1m sensitivity determined using nominal  
impedance  
70.7 V Output  
20w 106.0dB  
10w 103.0dB  
5w 100.0dB  
100 V Output  
20w 106.0dB  
10w 103.0dB  
5w 100.0dB  
25 V Output  
2.5w 97.0dB  
1.3w 94.0dB  
0.63w 91.0dB  
Frequency response measured in half or  
full space as dictated by speaker mounting  
configuration  
4
Max program power is 3 dB above max  
continuous power  
2.5w 97.0dB 2.5w 97.0dB  
1.25w 94.0dB  
5
6
7
Continuous power rating, EIA-426-B test  
Max output based on max continuous power  
Max useable SPL based on testing  
by NWAA Labs  
© 2005 SoundTube Entertainment. All rights reserved. PN-TS-CMEZ REV 10.03.07  
 
Open-Ceiling Speaker  
CM-EZ-II  
Technical Information for System Engineers  
surfaces thicker than 5/8 in (15.87 mm),  
proper installation requires removing  
the rubber feet on the cam mechanisms.  
Refer to the CM-EZ-II Pre-Construction  
Bracket Installation Instructions at  
www.soundtube.com.  
The backcan shall be constructed of  
zinc-plated steel with an ABS plastic  
bezel. The grille shall be constructed  
of powder-coated steel. The low-fre-  
quency transducer shall have a poly-  
propylene cone material with butyl  
rubber surround. The high-frequency  
transducer shall be constructed of  
polypropylene material using a bal-  
anced-dome configuration.  
Architectural Specifications  
The loudspeaker shall consist of a  
203 mm (8 in) low-frequency trans-  
ducer and one 25 mm (1 in) high-fre-  
quency transducer with a frequency  
dividing network installed in a sealed  
enclosure. The low-frequency voice  
coil diameter shall be 25 mm (1 in).  
The system shall be the SoundTube  
CM-EZ-II for both low & high imped-  
ance applications.  
Performance specifications of a  
typical production unit shall be as  
follows: Usable frequency range shall  
extend from 54 Hz - 22 kHz. The  
loudspeaker shall be available with  
selectable 25/70.7/100 Volt and 8 Ohm/  
voice coil direct tap switch. The fre-  
quency-dividing network shall have a  
crossover frequency of 5.6 kHz. Rated  
power capacity of the components and  
network shall be at least 40 Watts con-  
tinuous RMS power.  
SoundTube Entertainment  
6430 North Business Park Loop  
Park City, Utah 84098  
Packaged complete with UL-listed  
flex conduit clamp, tile bridge, grille,  
cut-out template and paint shield,  
the integrated CM-EZ-II open-ceiling  
speaker is engineered for high per-  
formance and rapid installation in  
plenum spaces. The CM-EZ-II incor-  
porates a secondary attachment bolt  
for added security, or where required  
by code.  
Phone 435.647.9555  
Fax  
435.647.9666  
Toll Free 800.647.TUBE  
All SoundTube products come  
with a 5-year limited warranty.  
The CM-EZ-II installation shall be  
by 4-point blind-mount system using  
spring-loaded cams and a tile bridge.  
The CM-EZ-II’s spring-loaded cams are  
adaptable to stable surfaces including  
drop tile and sheetrock with mate-  
rial thicknesses ranging from 1/2 in  
(12.70 mm) to 3/4 in (19.05 mm). For  
Designed for both 25/70.7/100 Volt  
and 8 Ohm/voice coil direct applica-  
tions, the CM-EZ-II is factory preset to  
the 70.7 at 20 Watts operating mode,  
with a tap switch located on the back-  
can.  
Polar Plots  
250 Hz  
500 Hz*  
1,000 Hz  
125 Hz  
*
4,000 Hz  
8,000 Hz  
10,000 Hz  
2,000 Hz  
*Polar response is normalized to allow proper interpretation of data.  
Technical data, EASE plots, SoundTubeSPEC software & product downloads available at  
 
Open-Ceiling Speaker  
CM-EZ-II  
Technical Information for System Engineers  
Mechanical Drawings  
Side  
Top  
ø 274 mm  
(10.75 in)  
228 mm (9.125 in)  
190 mm  
(7.5 in)  
274 mm (10.75 in)  
5 mm  
(0.20 in)  
Included Accessories  
600.1 mm  
(23.62 in)  
359 mm  
(14.13 in)  
248 mm  
(9.76 in)  
Paint shield  
Tile Bridge  
Optional Accessory  
641 mm (25.625 in)  
ø 285 mm  
(11.25 in)  
ø 247 mm  
(9.75 in)  
Max.  
19.05 mm (.75 in)  
Min.  
12.70 mm (.50 in)  
Snap-cam Mounting System  
Pre-Construction Bracket (AC-CM-EZ-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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