An in-ceiling speaker specifically tailored for use in fire signaling system that delivers the same high quality sound expected of SoundTube speakers. 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 five-position tap switch for 25/70.7/100-volt 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). 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). 10 µF capacitor provided on input circuit for use with DC supervision circuits. UL 1480 (UUMW) and 2043, cUL, CE (EMC Directive 89/366/EEC, EN55020, EN55013) approved. Included accessories: tile bridge, UL-listed 0.5-inch conduit clamp, and paint shield.

Specifications: CM82-EZ-FSMounting hardware included
Nominal Impedance16 Ohm
Impedance (min)16 Ohm
Sensitivity dB @ 2.83V/1M86 dB
Sensitivity dB @ 1W/1M (2)89 dB
Frequency Response (± 3 dB)92Hz-18kHz
Frequency Response (±10 dB)65Hz-22kHz
Max. Program Power128 W
Max. Continuous Power RMS64 W
Max. Power SPL @ 1 M99 dB
Directivity Factor (Q) (Averaged 100Hz - 10kHz, @ 2kHz)5.4 (averaged 100 Hz - 10 kHz) ; 7.2 (2 kHz)
Directivity Index (DI) dB (Averaged 100Hz - 10kHz, @ 2kHz)5.5 dB (averaged 100 Hz - 10 kHz) ; 8.6 dB (2 kHz)
Tap SelectorFive-position rotary switch
70.7 Volt Transformer Taps10 W / 99 dB
100 Volt Transformer Taps (dB)10 W / 99 dB
25 Volt Transformer Taps (dB)1.3 W / 90 dB
Transducer - Low Frequency Driver8" Polypropylene Cone w/ Butyl Rubber Surround
Transducer - High Frequency Driver1″ Silk Dome
Network Type: Low Pass6 dB per octave, 1st order
Network Type: High Pass6 dB per octave, 1st order
Coverage Angle (-6 dB @ 2 kHz)105
ColorsBlack / White / Custom
InputsCeramic terminal strip
Backcan Diameter245.6 mm / 9.67 in
Backcan Height146.1 mm / 5.75 in
Visible Diameter298.5 mm / 11.75 in
Visible Height8.6 mm / 0.34 in
Mounting Hole Diameter266.7 mm / 10.5 in
Weight4.1 kg / 9 lbs
Shipping Weight4.5 kg / 10 lbs
Accessories IncludedPaint Mask, Tile Bridge, UL-Listed Flex Conduit Clamp
PackagingOne per box
Regulatory - ULApproved 1480 (UUMW) & 2043
Regulatory - CEapproved
Regulatory - RoHSapproved