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The black CM52-BGM 5.25" Coaxial Shallow Backcan In-Ceiling Speaker by SoundTube Entertainment is a two-way, blindmount, speaker which delivers high-efficiency performance across the operating bandwidth. The CM52BGM speaker design incorporates a low-profile grille and a six position tap switch with a transformer bypass position. Mounting hardware is included and features a fast and secure constant-tension fixed-wing mounting system.
One 5.25" polypropylene woofer with rubber surround and one 0.75" silk dome tweeter
BeamRing technology for mid-range clarity and wide off axis performance
Accessible six-position tap switch for 25/70.7/100 V and transformer bypass position
Tuned port on baffle for added musicality and bass response
Incorporates a steel grille with protective powder coated finish
In the Box
SoundTube Entertainment CM52-BGM 5.25" Coaxial Shallow Backcan In-Ceiling Speaker (Black)
Color-Coded (Orange) Tile Bridge
UL Listed 0.5" Conduit Clamp
Limited 5-Year Warranty
Table of Contents
5.25" coaxial, in-ceiling
Transformer Isolation Voltage
64 W for 25/70.7/100 V or transformer bypass
84.5 dB @ 2.83 V/1 m 87.5 dB @ 1 W/1 m (sensitivity determined using nominal impedance)
90 Hz - 20 kHz @ -3 dB 65 Hz - 22 kHz @ -10 dB (measured in half or full space as dictated by speaker mounting configuration)
Max. Program Power
40 W (3 dB above maximum continuous power)
Max. Continuous Power RMS
20 W (Continuous power rating, EIA-426-B test)
Max. power SPL
100.5 dB @ 1 m (Maximum output based on maximum continuous power)
170º (-6 dB @ 2 kHz) 95º (-6 dB @ 10 kHz) 100º (averaged 2 - 10 kHz)
4.3 (averaged 100 Hz - 10 kHz) 4.2 (2 kHz)
5.7 dB (averaged 100 Hz - 10 kHz) 6.2 dB (2 kHz)
6-position rotary switch with transformer bypass position