Soundtube CM52-BGM-WH 5" Coaxial Ceiling Background Music Speaker (White)

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  • The CM52-BGM is a 5.25-inch coaxial two-way blind-mount in-ceiling speaker which delivers true high-efficiency and performance across the operating bandwidth. By incorporating a 5.25-inch polypropylene driver with a rubber surround and a 0.75- inch 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 fixed-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 colorcoded (green) tile bridge and optional colorcoded (green) pre-construction bracket, as well as a six-position tap switch for 25-, 70.7- and 100-volt applications with a transformer bypass position.


    • One 5.25 inch (134 mm) polypropylene woofer with rubber surround and one 0.75 inch (19 mm) silk dome tweeter.
    • BeamRing technology for mid-range clarity and smooth off axis performance.
    • Easy-access six-position tap switch for 25/70.7/100-volt and transformer bypass settings allows for easy ordering, stocking and installation.
    • Tuned port on baffle for added musicality and bass response down to 65 Hz (-10 dB).
    • Reduced amplification costs and maxi¬mum efficiency of 84.5 dB sensitivity, 16 ohm impedance.
    • Incorporates a painted steel grille for lasting durability.
    • Adaptable to material thicknesses ranging from 0.035 in. (0.9 mm) to 1.6 in. (40.6 mm).
    • UL 1480 and 2043 approval pending.
    • Included accessories: Color-coded (orange) tile bridge, UL listed conduit clamp, paint shield.

    The CM-BGM series offers extended low-end response and is well-suited for background music in retail spaces, classrooms, and public spaces with low ceilings. Available in multiple sizes, including short-can mounts for tight ceiling spaces, CM speakers offer fast fixed-wing installation and lower overall system costs.

  • Low Frequency (-10 dB) 65 Hz – 22 kHz
    Sensitivity 89 dB
    Power Capacity RMS 20 W
    Max SPL dB @ 1 M 100.5 dB
    Nominal Impedance 16 ohm
    Transformer Options 25 / 70.7 / 100 Volt
    16 Ohm Direct
    Tweeter 0.75 Silk
    Connections Four position ceramic terminal strip
    Visible Height 8.6 mm (0.34 in)
    Visible Diameter 298.5 mm (11.75 in)
    Backcan Height 146.1 mm (5.75 in.)
    Backcan Diameter 245.6 mm (9.67 in)
    Weight 3.6 kg (8.0 lbs.)
    Shipping Weight 4.1 kg (9.0 lbs.)
    Optional Accessories Color-coded (green) pre-construction
    bracket (AC-CMEZ6/8-PCB)
    Colors Black / White / Custom
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