- Description
Details
SoundTube CM82-EZ-II 8" In-Ceiling Speaker
The SoundTube CM82-EZ-II 8 inch In-Ceiling Speaker is the next generation version of the CM82-EZ with improved and additional features. It has one 8.0 inch (203 mm) polypropylene woofer with butyl rubber surround and one 1.0 inch (25.4 mm) silk dome tweeter. Easy-access six-position tap switch for 25/70.7/100-volt and 16-ohm transformer bypass settings allows for easy ordering, stocking and installation. Reduced amplification costs and maximum efficiency 89.0 dB sensitivity, 16 ohm impedance and a sealed enclosure. Superior voice intelligibility with an average coverage angle of 95° (2–10 kHz, independently verified). Cost-effective 16 ohm settings allows for the use of multiples of two, four, or six speakers in a system using a standard amplifier without a transformer. Incorporates a painted steel grille with rust inhibitor for lasting durability. Ceramic input terminal accepts up to 10 gauge plenum rated signal wire and includes thermal fuse. Suitable for use in voice alarm applications subject to EU regulations EN60849 and BS5839-8. Adaptable to ceiling thicknesses ranging from 0.04 inch (0.9 mm) to 1.60 inch (40.6 mm). UL 1480 (UEAY) and 2043, cUL, CE (EMC Directive 89/366/EEC, EN55020, EN55013) approved.
- Features
Features
- One 8.0 inch (203 mm) polypropylene woofer with butyl rubber surround and one 1.0 inch (25.4 mm) silk dome tweeter
- Easy-access six-position tap switch for 25/70.7/100-volt and 16-ohm transformer bypass settings allows for easy ordering
- Reduced amplification costs and maximum efficiency 89.0 dB sensitivity, 16 ohm impedance and a sealed enclosure
- Superior voice intelligibility with an average coverage angle of 95° (2–10 kHz, independently verified)
- Cost-effective 16 ohm settings allows for the use of multiples of two, four, or six speakers
- Incorporates a painted steel grille with rust inhibitor for lasting durability
- Adaptable to ceiling thicknesses ranging from 0.04 inch (0.9 mm) to 1.60 inch (40.6 mm)
- UL 1480 (UEAY) and 2043, cUL, CE (EMC Directive 89/366/EEC, EN55020, EN55013) approved
- High-quality black or white painted finish, custom colors available
- Included accessories: tile bridge, UL-listed 0.5-inch conduit clamp, paint shield and two wire nuts
- Optional accessories: color-coded (green) pre-construction bracket (AC-CMEZ6/8-PCB) and junction box (AC-CM-EZ-JBOX)
- Specification
Enclosure Properties ABS Glass Fiber Reinforced, Injection Molded, Sealed Enclosure Volume 350 cu in / 5735.47 cu cm Included Accessories Conduit Clamp, Cover Plate, Grille, Paint Mask Source Inputs 4 Pin Ceramic Terminal Coverage Angle (-6dB @ 2kHz) 40° Crossover Frequency 3.0 kHz Cutout Width/Diameter 10.5" (266.7 mm) Directivity Factor (Q) (Averaged 100Hz - 10kHz, @ 2kHz) 5.4 and 7.2 Directivity Index (DI) dB (Averaged 100Hz - 10kHz, @ 2kHz) 5.5dB and 8.6dB Frequency Response (± 10 dB) 65 Hz - 22 kHz Frequency Response (± 3 dB) 92 Hz - 18 kHz Low Frequency Voice Coil 1" (25.4 mm) Low Pass Crossover 6dB per octave 1st order Max. Ceiling Thickness 1.6" (40.6 mm) Max. Continuous Power RMS 64W Max. Program Power 128W Minimum Impedance (Ω Ohms) 17.2Ω Minimum Ceiling Thickness 0.04" (0.9 mm) Network Type (High Pass) 6 dB per octave 1st order Nominal Impedance (Ω Ohms) 16Ω Tweeter Driver 1" Silk Dome Woofer Driver 6.5" Treated Fiber Cone w/ Cloth Surround Sensitivity dB @ 1W/1M 89dB Sensitivity dB @ 2.83V/1M 86dB Tap Selector Rotary Switch Transformer Options 25 / 70.7 / 100 V, 16 Ohm direct Transformer Taps (25V/70.0V/100V) 8W/64W/64W Visible Dimensions (H x Dia) 0.34" (8.6 mm) x 11.75" (298.5 mm) Backcan Dimensions (H x Dia) 5.75" (146.1 mm) x 9.67" (245.6 mm) Carton Dimensions (H x W x D) 8.25" (209.55 mm) x 13" (330.2 mm) x 13" (330.2 mm) Shipping Weight 10.65 lbs (4.83 kg) - Documents
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