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SoundTube CM800i 8-Inch In‑Ceiling Speaker with BroadBeam Tweeter
The CM800i is a two‑way, blind‑mount in‑ceiling speaker available in black or white, designed for professional installations. Equipped with an 8″ polypropylene woofer and a 1″ titanium tweeter using patented BroadBeam® waveguide technology, it offers uniform dispersion and high intelligibility across large areas. Ideal for background or foreground audio in commercial venues, fitness centers, airports, and houses of worship.
Installation is fast and secure with a fixed‑wing constant‑tension mounting system accommodating ceiling thicknesses from 0.25″ to 1.91″. The six‑position tap switch supports 25 V, 70.7 V, 100 V transformer options or 8 Ω direct connection. The tool‑free magnetic grille with safety cable enables easy field painting for décor matching.
Key Features
- BroadBeam® Waveguide: Patented dispersion ensures consistent coverage between 2–10 kHz
- Drivers: 8″ polypropylene woofer with butyl rubber surround; 1″ convex titanium tweeter with FerroFluid cooling
- Power Options: 125 W RMS continuous; 250 W program power
- Sensitivity: 90 dB @ 1 W/1 m and @ 2.83 V/1 m
- Crossover: 3.0 kHz, 12 dB/octave, second‑order low and high pass
- Tap Switch: Six‑position rotary for 25/70.7/100 V or transformer bypass/8 Ω
- Mounting: Blind‑mount with constant‑tension fixed wings for 0.25″–1.91″ ceiling thickness
- Grille: Steel, powder‑coated (black or white), magnetic, paintable, safety‑cable
- Certifications: UL 1480 (UEAY), UL 2043, CE, RoHS compliant
Technical Specifications
- Enclosure Material: Drawn aluminium backcan with ABS‑glass‑fiber reinforced injection‑molded baffle, ported design
- Enclosure Volume: 513.8 cu in (8419.7 cc)
- Directivity Factor (Q): 3.8 averaged (100 Hz–10 kHz), 4 at 2 kHz; Directivity Index: 6 dB averaged, 4 dB at 2 kHz
- Coverage Angle: 140° @2 kHz; 110° @10 kHz; 120° averaged (2–10 kHz)
- Frequency Response: 71 Hz – 22 kHz (–10 dB); 97 Hz – 22 kHz (±3 dB)
- Voice Coil: Woofer 1.2″ (30.4 mm) diameter
- Inputs: 4‑pin 5.08 mm Euroblock connector for daisy‑chain wiring or single‑run installation
- Color Options: Black (CM800i‑BK) or White (CM800i‑WH) with paintable grille
What's Included
- CM800i speaker unit (black or white)
- Tile bridge for ceiling support
- Conduit plate
- Euroblock connector
- Paint mask (for grille painting)