The SoundTube CM800D is a premium 8” two-way in-ceiling speaker designed for high-output, full-range audio with broad coverage. Featuring BroadBeam® waveguide technology, it delivers a consistent dispersion pattern for maximum intelligibility and edge-to-edge coverage—perfect for background and foreground SPL applications in large commercial and public spaces.
Its 12.46-inch steel deep can enhances bass response, while the 8” polypropylene woofer and 1” convex titanium tweeter with FerroFluid cooling mounted to a cast-aluminum baffle ensures high fidelity sound across the frequency spectrum. The CM800D includes a five-position tap switch with transformer bypass, making it flexible for 25V, 70.7V, and 100V distributed audio systems.
SoundTube CM800D Key Features
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8” polypropylene woofer and 1” convex titanium tweeter with FerroFluid cooling
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BroadBeam® waveguide technology for wide, even coverage
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Frequency response optimized for high output from background to foreground applications
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12.46” steel deep can for enhanced low-end response
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Easy-access five-position selectable tap switch for 25-, 70.7-, and 100V systems with transformer bypass
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Rapid-installation blind-mount, fixed-wing mounting system compatible with ceiling thicknesses from 0.25” (6.4 mm) to 1.91” (48.5 mm)
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Separate tool-free magnetic grille and bezel assembly for ease of installation and field painting
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Steel grille with powder-coated finish for durability
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High sensitivity of 90.5 dB for reduced amplification costs
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UL 1480 (UEAY) and 2043 approved
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Included accessories: tile bridge, Euroblock connector, conduit plate, support cable, paint mask/installation aid
Applications
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Casinos, convention centers, and nightclubs
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Warehouses, gyms, and aerobic rooms
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Airports, transportation hubs, and superstores
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Arenas, stadiums, theme parks, and large public venues
For installations requiring additional low-end response, pair the CM800D with SoundTube’s CM1001d-T 10-inch subwoofer, delivering bass down to 41 Hz.
SoundTube CM800D Specifications
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Low Frequency(-10 dB)
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56 Hz – 22 kHz
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Sensitivity
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90.5 dB
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Power Capacity RMS
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125 W
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Max SPL dB @ 1 M
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111.5 dB
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Nominal Impedance
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8 ohm
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Transformer Options
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25 / 70.7 / 100 Volt option with a 8 Ohm direct
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Tweeter
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1 in. Broad Beam
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Woofer
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8 in. Poly
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Connections
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Four-pin Euro block
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Visible Height
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27.4 mm (1.08 in.)
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Visible Diameter
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374.9 mm (14.76 in.)
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Back can Height
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316.5 mm (12.46 in.)
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Back can Width
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296.7 mm (11.68 in.)
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Weight
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8.5 kg (18.8 lbs.)
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Shipping Weight
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10.8 kg (23.8 lbs.)
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Optional Accessory
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Color-coded (purple) pre-construction bracket (AC-CM8-PCB), junction box (AC-CMi-JBOX), safety restraint strap
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Colors
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Black / White, or Custom
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