SoundTube CM-31-EZ
3" Full-Range in-Ceiling Speaker

OUR PART #:  CM-31-EZ

SoundTube's CM31-EZ is a 3" full-range high extrusion, high-fidelity plypropylene driver with butyl rubber surroud. Weatherized components for indoor/outdoor applications.
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SoundTube's CM31-EZ is a 3" full-range high extrusion, high-fidelity plypropylene driver with butyl rubber surroud. Weatherized components for indoor/outdoor applications. Shallow 3.5 inch (88.9 mm) deep all-steel backcan with integrated driver and baffle configuration. Ultra-compact design with a total visible footprint of less than 6.3 inch (160.6 mm)diameter. Rapid installation, blind-mount, fixed-wing mounting mechanism with constant tension design affixing to wall thicknesses ranging from 0.1 in. (2.5 mm) to 1.5 in. (38.1 mm). Corrosion-resistant, powder-coated aluminum grille with snap fit attachment. Ceramic input terminal accepts up to 10 gauge plenum rated signal wire and includes thermal fuse.

SoundTube CM31-EZ In-Ceiling Speaker Includes:

  • Tile Bridge
  • Conduit connector
  • Paint mask
  • Wire nuts

SoundTube CM31-EZ In-Ceiling Speaker Features:

  • One 3" (76.2 mm) full-range highextrusion, high-delity polypropylene driver with butyl rubber surround
  • Weatherized components for indoor/outdoor applications
  • Shallow 3.5" (88.9 mm) deep all-steel backcan with integrated driver and bafe conguration
  • Ultra-compact design with a total visible footprint of less than 6.3 inch (160.6 mm) diameter
  • Rapid installation, blind-mount, xedwing mounting mechanism with constant tension design afxing to wall thicknesses ranging from 0.1" (2.5 mm) to 1.5" (38.1 mm)
  • Corrosion-resistant, powder-coated aluminum grille with snap t attachment
  • UL 1480 (UEAY) and 2043 approved
  • High quality black or white paint nish

SoundTube CM31-EZ In-Ceiling Speaker Specifications:

  • System Type: 3 inch full-range, in-ceiling (10 watt transformer for 25/70.7/100-volt or transformer bypass position)
  • Impedance (nominal): 8 ohm
  • Sensitivity dB @ 2.83 V/1 m: 85.0 dB
  • Sensitivity dB @ 1 W/1 m: 85.0 dB
  • Frequency Response (- 3 dB): 218 Hz - 14 kHz
  • Frequency Response (-10 dB): 135 Hz - 22 kHz
  • Max. Program Power: 40 W
  • Max. Continuous Power RMS: 20 W
  • Max. Power SPL @ 1 m: 98.0 dB
  • Coverage Angle (-6 dB @ 2 kHz): 175°
  • Coverage Angle (-6 dB @ 10 kHz): 45°
  • Coverage Angle (averaged from 2 to 10 kHz): 120°
  • Directivity Factor (Q): 4.5 (averaged 100Hz - 10kHz), 3.5 (2kHz)
  • Directivity Index (DI) dB: 5.3 (averaged 100Hz - 10kHz), 5.2 (2kHz)
  • Tap Selector (transformer accessory only): Six-position rotary switch or transformer bypass position
  • Transducer - Full-Range Driver: 76.1 mm (3.0 in.) Polypropylene driver with butyl rubber surround
  • Low Frequency Voice Coil: 0.75" (19.0 mm)
  • Enclosure Material: ABS baffle, steel backcan
  • Grille: Corrosion-resistant, powder-coated aluminum
  • Inputs: Hardwire lead
  • Colors: Black or white
  • Backcan Diameter: 5.5" (139.7 mm)
  • Backcan Height: 3.5" (88.9 mm)
  • Visible Height: 0.6" (15.2 mm)
  • Visible Diameter: 6.3" (160.6 mm)
  • Weight: 3.1 lbs. (1.4 kg)
  • Shipping Weight: 4.0 lbs. (1.8 kg)
  • Packaging: One per box
  • Regulatory - UL: UL 1480 (UEAY) and 2043 approved
  • Regulatory - CE: Approved
  • RoHS: Approved

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