SoundTube CM52‑BGM‑II‑US 5.25-Inch In‑Ceiling Speaker, Made in USA
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Condition: New
SoundTube CM52‑BGM‑II‑US 5.25-Inch In‑Ceiling Speaker, Made in USA
The SoundTube CM52‑BGM‑II‑US is a U.S.‑manufactured 5.25″ two‑way in‑ceiling speaker designed for commercial background music and paging applications. It features a polypropylene woofer and silk dome tweeter, tuned porting for enhanced low-frequency output, and compliance with the Buy American and Trade Agreements Acts—ideal for government and institutional projects.
A proprietary BroadBeam Ring™ tweeter provides wide dispersion and mid-range clarity. A six-position rotary tap switch enables 25 V, 70.7 V, 100 V transformer taps or 16 Ω bypass. Rugged ABS/steel construction with a magnetic paintable grille ensures both form and function.
The speaker delivers frequency response down to 56 Hz (‑10 dB) with high efficiency and scalable mounting across ceilings up to 1.6″ thick.
Key Features
- Driver complement: 5.25″ polypropylene woofer with butyl rubber surround; 0.75″ silk dome tweeter with BroadBeam Ring™
- Transformer taps: 25 V / 70.7 V / 100 V with transformer bypass 16 Ω
- Power handling: 40 W continuous RMS, up to 80 W program
- Sensitivity: 83.5 dB @1 W/1 m; 80.4 dB @2.83 V/1 m
- Frequency response: 56 Hz–22 kHz (±10 dB); 67 Hz–20 kHz (±3 dB)
- Coverage angle: approximately 190° (±6 dB @2 kHz)
- Baffle port: tuned for enhanced bass down to 65 Hz (‑10 dB)
- Mounting: blind‑mount SpeedWing™ wings; accommodates ceiling thicknesses 0.035″–1.6″
- Grille: painted magnetic steel, seamless and paintable
- Certifications: UL 1480, UL 2043, CE, RoHS, ETL‑C/US; BAA and TAA compliant
- Included accessories: conduit clamp, tile bridge, paint shield
Technical Specifications
- Frequency response (±10 dB): 56 Hz–22 kHz
- Frequency response (±3 dB): 67 Hz–20 kHz
- Crossover frequency: 5.0 kHz
- Nominal impedance: 16 Ω
- Low-frequency voice coil diameter: 1.0″ (25.4 mm)
- Sensitivity: 83.5 dB @ 1 W/1 m; 80.4 dB @ 2.83 V/1 m
- Max continuous power (RMS): 40 W; Program power: 80 W
- Coverage angle (±6 dB @ 2 kHz): ~190°
- Directivity factor (Q): 3.8 (averaged 100 Hz–10 kHz), 2.1 (@2 kHz)
- Directivity index (DI): 5.1 dB (averaged), 3.3 dB (@2 kHz)
- Cutout diameter: 10.5″ (266.7 mm)
- Backcan diameter × height: 9.67″ × 5.75″ (245.6 mm × 146.1 mm)
- Visible diameter × height: 11.8″ × 0.34″ (298.5 mm × 8.6 mm)
- Mounting ceiling thickness: 0.035″–1.6″ (0.9 mm–40.6 mm)
What's Included
- Painted magnetic grille
- UL-listed conduit clamp
- Color-coded tile bridge
- Paint mask/shield
