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SoundTube CM52-BGM

5-1/4" commercial in-ceiling speaker (Black)

Item # 298CM52B

SoundTube designed the CM52-BGM to make background music sound good.

Read more from Crutchfield writer, Eric A.

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$150.00 each

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About the SoundTube CM52-BGM

Built for background music

SoundTube designed the CM52-BGM to make background music sound good. Each in-ceiling speaker has a 5-1/4" woofer, 3/4" silk tweeter, and a steel back enclosure with a tuned port for extended bass response. BroadBeam Ring™ technology helps create a 95° horizontal coverage pattern, so music fills the available space.

Built for background music

SoundTube designed the CM52-BGM to make background music sound good. Each in-ceiling speaker has a 5-1/4" woofer, 3/4" silk tweeter, and a steel back enclosure with a tuned port for extended bass response. BroadBeam Ring™ technology helps create a 95° horizontal coverage pattern, so music fills the available space.

A built-in transformer tap lets you use one amplifier to drive several speakers in an efficient distributed audio system. Convenient fixed-wing mounting arms make installation easier.


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Product highlights:

  • 5-1/4" poly woofer with butyl rubber surround and 3/4" silk dome tweeter
  • BroadBeam Ring™ technology for wide off-axis performance
    • 95° horizontal coverage area
  • steel back enclosure with tuned port for extended bass response
  • built-in transformer for use with 70-volt commercial systems
    • power taps at 1.25, 2.5, 5, 10 and 20 watts
    • 8-ohm transformer bypass
  • power handling: 40 watts continuous program power (when using transformer bypass)
  • frequency response: 90-20,000 Hz (±3dB)
  • maximum SPL: 100.5 dB
  • tile bridge, conduit clamp, and paint shield included
  • painted steel grille
  • fixed-wing mounting arms make installation easier
  • cutout diameter: 9-11/16"
  • depth: 5-3/4"
  • weight: 8 lbs.
  • warranty: 5 years
  • Our 60-day money-back guarantee
  • MFR # CM52-BGM-BK
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What's in the box:

  • One in-ceiling speaker
  • Grill w/attached safety restraint
  • Terminal cover plate
  • Conduit clamp
  • Paint guard

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More details on the SoundTube CM52-BGM

Features & specs

General
Drivers per speaker 2
Woofer Size (inches) 5.25
Tweeter Size (inches) 0.75
System Frequency response 67-20k
Maximum SPL 99.5
Power Handling
Power rating 40
Peak Power rating ---
Specs
Width (inches) 11-3/4
Height (inches) ---
Depth (inches) 6-1/2
Weight 8 lbs

Product Research

Features

Overview: The Soundtube CM52-BMG is a 2-way, blind-mount, in-ceiling speaker featuring a coaxially mounted 5-1/4" woofer and a 3/4" tweeter in a drawn steel backcan. The speaker features transformer tap settings for 25, 70, and 100 volt operation, and also includes a 16Ω bypass. Designed specifically for indoor background music, the CM52-BMG is ideal for hotels, restaurants, airports, churches, and similar applications.

Drivers: The CM52-BMG features a 5-1/4" polypropylene woofer with a rubber surround along with a 3/4" silk dome tweeter, all mounted in a ported steel backcan enclosure. This combination delivers high efficiency and performance across the operating bandwidth with a frequency response of 90 Hz to 20 kHz (-3db). Able to handle up to 20 watts RMS (40 watts Program power) and with a sensitivity of 87.5 dB, the CM52-BMG can provide clear powerful sound with a coverage angle of up to170˚ (@ 2kHz).

Enclosure: The CM52-BMG is housed in a drawn steel backcan with a ported ABS plastic front baffle providing added musicality with a bass response down to 65 Hz (-10 dB). Soundtube's BroadBeam Ring technology offers extended midrange clarity and ultra wide off-axis performance. The speaker includes a painted steel-mesh grill that can be painted to match the room color and includes an attached safety restraint lanyard. The CM52-BMG enclosure carries both UL1480 and UL2043 UL certifications and is CE and RoHS approved.

Mounting: Installation of the speaker is done blind-mount using a constant-tension fixed-wing mounting system. Two winged assemblies come pre-mounted to each side the speaker. Once the speaker is slid into the ceiling opening 2 Phillips-head screws on the front of the speaker are tightened. This expands out the mounting arms providing tension on the backside of the mounting surface. The CM52-BMG can be mounted to ceilings ranging in thickness from 0.035 to 1.6 inches, including drop-ceilings using the optional Tile Bridge (not included). Three secondary attachment points are provided on the back of the speaker for an additional safety line.

25/70/100 Volt: The CM52-BMG can be used in 25, 70, and 100 volt applications and includes a 16Ω bypass selection. A tap selection dial on the front of the speaker allows for easy configuration without having to remove the speaker from the ceiling. The following tap settings are available:

  • 25 Volt: 0.2W, 0.4W, 0.7W, 1.3W, and 2.5W
  • 70 Volt: 1.3W, 2.5W, 5W, 10W, and 20W
  • 100 Volt: 2.5W, 5W, 10W, and 20W
  • 16Ω

Terminals: A 4-teriminal ceramic barrier strip is provided for wiring connections. One set of terminals provides the signal input while the other set provides a pass-thru for daisy-chaining multiple speakers. Each terminal can accommodate speaker wire up to 12 gauge in size and includes a set-screw to hold the wire firmly in place.

Specifications:

  • Speaker Type: 5.25", coaxial, in-ceiling
  • Woofer: 5.25" treated fiber cone with cloth surround
  • Tweeter: 0.75" Silk dome
  • Impedance (nominal): 16Ω
  • Sensitivity (1W @ 1M): 87.5dB
  • Frequency Response (-3 dB): 90Hz - 20kHz
  • Frequency Response (-10 dB): 65Hz - 22kHz
  • Maximum Program Power: 40W
  • Maximum Continuous Power: 20W
  • Maximum SPL: 100.5dB
  • Coverage Angle (-6dB @ 2kHz): 170˚
  • Coverage Angle (-6dB @ 10kHz): 95˚
  • Coverage Angle (Avg. 2 to 10kHz): 100˚
  • Crossover Frequency: 5.0kHz
  • Tap Settings:
    • 25 Volt: 0.2W, 0.4W, 0.7W, 1.3W, and 2.5W
    • 70 Volt: 1.3W, 2.5W, 5W, 10W, and 20W
    • 100 Volt: 2.5W, 5W, 10W, and 20W
    • 16Ω
  • Enclosure Material: Sealed drawn-steel backcan, ABS front baffle
  • Grill: Painted steel-mesh
  • Inputs: 4-Terminal ceramic barrier strip
  • Dimensions: Diameter - 11.750", Depth (incl. grill) - 6.50"
  • Mounting Depth: 5.875"
  • Cutout Diameter: 10.50"
  • Maximum Ceiling Thickness: 0.035" to 1.60"
  • Weight: 8.0 lbs.

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