SoundTube CM52s-BGM Manual
SoundTube
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CM52s-BGM
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CM52s-BGM
In-Ceiling Speaker
System Type 5.25” coaxial, in-ceiling, ported (20 W transformer for 25/70.7/100 V
or transformer bypass)
Impedance (Nominal) 116 Ω
Sensitivity dB @ 2.83 V/1 M 79.1 dB
Sensitivity dB @ 1 W/1 M 282 dB
Frequency Response (±3 dB) 390 Hz - 20 kHz
Frequency Response (±10 dB)
365 Hz - 22 kHz
Max. Program Power 440 W
Max Continuous Power RMS 520 W
Max. Power SPL @ 1 M
698 dB
Coverage Angle (±6 dB @ 2 kHz) 170°
Coverage Angle (±6 dB @ 10 kHz) 95°
Coverage Angle (Averaged 2-10 kHz) 100°
Directivity Factor (Q) 3.2 (Averaged 100 Hz - 10 kHz); 2.1 (2 kHz)
Directivity Index (DI) 5 dB (Averaged 100 Hz - 10 kHz); 3.3 dB (2 kHz)
Tap Selector Six-position rotary switch with transformer bypass position
Transducer: Low-Frequency Driver 134 mm | 5.25” polypropylene cone, rubber surround
Transducer: High-Frequency Driver 19 mm | 0.75” silk dome tweeter with BroadBeam Ring™
Low-Frequency Voice Coil 25.4 mm | 1.0”
Crossover Frequency 5.0 kHz
Network Type: Low Pass 12 dB per octave, 2nd order
Network Type: High Pass 12 dB per octave, 2nd order
Enclosure Material Drawn steel backcan with ABS baffle
Grille Painted steel
Inputs 4 position ceramic terminal connector
Backcan Diameter 245.6 mm | 9.6”
Backcan Height 95.3 mm | 3.75”
Visible Diameter 298.5 mm | 11.75”
Visible Height 8.6 mm | 0.34”
Mounting Hole Diameter 266.7 mm | 10.5”
Min - Max Ceiling Thickness 0.9 mm | .035” - 40.6 mm | 1.6”
Weight 3.6 kg | 8 lbs
Packaging One per box
Included Accessories Tile bridge, UL-listed flex conduit clamp, paint shield
Optional Accessories Pre-construction bracket (AC-CMEZ-6/8-PCB)
Certications UL1480, UL2043, CE, RoHS
CM52s-BGM PRODUCT SPECIFICATIONS
Description
The CM52s-BGM is a 5.25” coaxial two-way blind-
mount, short can, in-ceiling speaker which delivers
true high-efciency and performance across the
operating bandwidth. By incorporating a 5.25”
polypropylene driver with a rubber surround and a
0.75” silk dome tweeter in a drawn steel backcan
with a tuned port, this speaker delivers maximum
frequency response (65 Hz - 22 kHz, ±10 dB) in an
integrated enclosure design.
Mounting hardware is included and features a
constant-tension xed-wing 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, stocking
and installation, this series includes a color-coded
(green) tile bridge and optional color-coded (green)
pre-constructed bracket, as well as a six-position tap
switch for 25, 70.7, and 100 V applications with a
transformer bypass position.
Features
• Engineered for applications with limited plenum
space incorporating a SoundTube-specic
shallow backcan with an installed depth of 3.5”
• One 5.25” (134 mm) polypropylene woofer with
rubber surround and one 0.75” (19 mm) silk
dome tweeter
• BroadBeam Ring™ technology for mid-range
clarity and ultra wide off-axis performance
• Easy-access six-position tap switch for
25/70.7/100 V and transformer bypass
settings allows for easy ordering, stocking and
installation
• Tuned port on bafe for added musicality and bass
response down to 65 Hz (±10 dB)
• Reduced amplication costs and maximum
efciency of 79.1 dB sensitivity, 16 Ω
impedance
• Incorporates a painted steel grille for lasting
durability
• Adaptable to material thicknesses ranging from
0.035” | 0.9 mm to 1.6” | 40.6 mm
• UL1480 and 2043 approved
• High-quality black or white painted nish. Custom
colors available
• Included accessories: color-coded (green) tile
bridge, UL listed conduit clamp, paint shield
• Optional accessories: Color-coded (green) pre-
construction bracket (AC-CMEZ-6/8-PCB)
1 Impedance listed per IEC 60268-5
2 1 W/1 M sensitivity determined using nominal impedance
3 Frequency response measured in half or full space as dictated
by speaker mounting conguration
4 Max program power is 3 dB above max continuous power
5 Continuous power rating, EIA-426-B test
6 Max output based on max continuous power

Architectural Specifications
The loudspeaker shall consist of one 134 mm (5.25”) low-frequency
transducer and one 19 mm (0.75”) high-frequency transducer with a
frequency dividing network installed in a sealed enclosure. The low-
frequency voice coil diameter shall be 25.4 mm (1.0”). The low-frequency
transducer shall have a polypropylene cone material with a rubber surround.
The high-frequency transducer shall be constructed of silk material using a
balanced-dome conguration.
Performance specications of a typical production unit shall be as follows:
Usable frequency range shall extend from 65 Hz - 22 kHz (±10 dB).
The loudspeaker shall be available with selectable 25/70.7/100 V and
transformer bypass tap switch. The frequency dividing network shall have
a crossover frequency of 5.0 kHz. Rated power capacity of the components
and network shall be at least 20 W continuous RMS and conform to EIA-
426-B testing. Maximum continuous output at 1 meter shall be at least 98
dB.
The backcan shall be constructed of galvanized steel with an ABS plastic
bafe. The grille shall be constructed of painted steel. Shipped complete
with UL-listed ex conduit connector, color coded tile bridge (to match color-
coded backcan), grille, and paint shield. The integrated in-ceiling speaker is
engineered for high performance and rapid installation in plenum spaces.
The unit incorporates three additional attachment points for added security,
or where required by code.
Installation for the speaker shall be by two-screw blind-mount constant-
tension xed-wing assembly and shall attach to ceiling thicknesses ranging
from 0.035” to 1.6”. The external wiring shall be via 4-position ceramic
terminal strip, accepting up to 8-gauge wire.
The maximum backcan dimension shall be no more than 95.3 mm (3.75”)
in height by 245.6 mm (9.67”) in diameter. The maximum visible dimensions
shall be no more than 8.6 mm (0.34”) in height by 298.5 mm (11.75”)
in diameter. The unit is factory preset to the 20 W setting in the 70.7 V
operating mode, with a tap switch located on the front bafe.
The system shall be the SoundTube CM52s-BGM for both low- and high-
impedance applications.
SoundTube®
13720 W. 109th St.
Lenexa, KS 66215
Phone: 913.663.5600
Fax: 913.663.3200
Toll Free: 855.663.5600
www.mseaudio.com
All SoundTube speakers come with a 5-year limited warranty and 3-year
warranty on all electronics
Applications
Developed specically for paging and background music applications,
the CM52s-BGM is ideal for hotels, education, hospitals, retail stores,
restaurants, airports, churches or boardrooms. Indeed, the entire CM-
BGM series is engineered for installations where high-efciency, added
bass response and rapid installation are critical attributes. For applications
requiring additional bass response, SoundTube’s CM1001d subwoofer
provides true low-end response down to 50 Hz.
Patented Technologies
SoundTube Entertainment and the MSE Audio Group constantly develop
new technologies which enhance audio product performance. SoundTube
Entertainment innovations are protected by multiple U.S. and international
patents, which explicitly cover SoundTube dome, enclosure and dispersion
technologies. The MSE Audio Group actively defends its patents in order to
protect SoundTube resellers and end-users.
Technical Data and Specification Tools
SoundTube Entertainment strives to provide complete and effective technical
information and data to dealers, engineers and designers. All data is
available from SoundTube Entertainment or at www.soundtube.com.
Technical data and downloads include:
• EASE™ data - 3-D polar plots.
• EASE™ Address - 2-D modeling for distributed systems
• AutoDesk® Revit® software
• Tech Sheets - technical information and architectural specs for system
engineers
• SoundTubeSPEC™ - Proprietary speaker placement software
Independent Data Acquisition and Verification
All data for SoundTube speakers are independently collected and veried
by NWAA Labs (www.nwaalabs.com) using their proprietary MACH testing
system. All data are collected and analyzed according to ASTM, ISO and AES
standards using EASERA, TEF and MLSSA. Full balloon data including both
phase and magnitude are compiled into a variety of formats including EASE
4.x, GLL and CLF.
CM52s-BGM
In-Ceiling Speaker
Transformer Taps
70.7 V 100 V 25 VOutput Output Output
20 W 20 W 2.5 W95 dB 95 dB 86 dB
10 W 10 W 1.3 W92 dB 92 dB 83 dB
5 W 5 W 0.63 W89 dB 89 dB 80 dB
2.5 W 2.5 W 0.31 W86 dB 86 dB 77 dB
1.25 W 83 dB
Produkt Specifikationer
Mærke: | SoundTube |
Kategori: | Ikke kategoriseret |
Model: | CM52s-BGM |
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