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SoundTube CM52s‑BGM‑II‑WH 5.25-Inch Short-Can In‑Ceiling Speaker with White Seamless Grille
The SoundTube CM52s‑BGM‑II‑WH is a shallow backcan (3.5″ installed depth) 5.25″ in‑ceiling speaker designed for low-plenum applications. With a seamless white magnetic grille and high-efficiency drivers, it is ideal for commercial paging and background music installations in spaces with restricted installation depth.
Featuring a polypropylene woofer with rubber surround and silk dome tweeter using BroadBeam Ring™ dispersion, this speaker offers smooth off-axis performance and bass response down to 65 Hz (‑10 dB). The six-position rotary tap switch supports 25 V, 70.7 V, 100 V transformer taps or direct 16 Ω bypass, delivering up to 40 W program power.
Key Features
- Driver complement: 5.25″ polypropylene woofer + 0.75″ silk dome tweeter with BroadBeam Ring™
- Installed depth: 3.5″ (88.9 mm) shallow backcan
- Transformer taps: 25 V / 70.7 V / 100 V; transformer bypass to 16 Ω
- Sensitivity: 82.0 dB @ 1 W/1 m; 79.1 dB @ 2.83 V/1 m
- Frequency response: 90 Hz–20 kHz (±3 dB); 65 Hz–22 kHz (±10 dB)
- Power handling: 20 W RMS; 40 W program
- Max SPL @ 1 m: 98 dB
- Coverage angle (±6 dB @ 2 kHz): ~170°
- Mounting system: SpeedWing™ constant-tension wings; supports ceilings 0.035″–1.6″ thick
- Grille: White painted steel, seamless magnetic, paintable
- Certifications: UL 1480, UL 2043, CE, RoHS
- Color: White (WH suffix indicates white grille)
- Enclosure: ABS-reinforced injection-molded ported backcan
Technical Specifications
- Frequency response (±3 dB): 90 Hz–20 kHz
- Frequency response (±10 dB): 65 Hz–22 kHz
- Sensitivity: 82.0 dB @ 1 W/1 m; 79.1 dB @ 2.83 V/1 m
- Nominal impedance: 16 Ω
- Crossover network: 12 dB/oct low- and high-pass (2nd order)
- Crossover frequency: 5.0 kHz
- Max continuous power: 20 W; Program power: 40 W
- Max SPL @ 1 m: 98 dB
- Coverage angle/Q/DI: Q~3.2 avg / DI~5.0 dB; @2 kHz Q=2.1, DI=3.3 dB
- Backcan outer dimensions: 9.67″ diameter × 3.75″ height (24.56 cm × 9.53 cm)
- Visible grille dimensions: 11.75″ diameter × 0.34″ height (29.85 cm × 0.86 cm)
- Cutout diameter: 10.5″ (26.67 cm)
- Mounting ceiling thickness: 0.035″–1.6″ (0.9 mm–40.6 mm)
- Shipping weight: 8.6 lbs (3.9 kg)
- Carton dimensions: 13.25″ × 13.25″ × 6.25″
- UPC: 644216227808
What's Included
- White magnetic seamless grille
- Color-coded tile bridge
- UL-listed conduit clamp
- Paint shield