Product Description
SoundTube CM82-EZ-II 8" 2-way In Ceiling Speaker
Overview
The next generation version of the CM82-EZ with improved and additional 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, 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 (210 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.
Included Accessories: tile bridge, UL-listed 0.5-inch conduit clamp, paint shield and two wire nuts.
Specifications
| Manufacturer | SoundTube |
|---|---|
| Manufacturer's Category | CM-EZ Economical In-Ceiling |
| Shipping Weight | 10.65 lbs / 4.83 kg |
| Carton Height | 8.25 in / 209.55 mm |
| Carton Length | 13 in / 330.2 mm |
| Carton Width | 13 in / 330.2 mm |
| Certifications | CE, RoHS, UL1480A, UL2043 |
| 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 |
| Optional Accessories | Black Grille (GRL-CM6/8EZ-II-BK)|Tile Bridge (AC-CMEZ6/8-TB)|Pre-Construction Bracket (AC-CMEZ6/8-PCB)|Junction Box (AC-CM-EZ-JBOX) |
| Source Inputs | 4 Pin Ceramic Terminal |
| Backcan Diameter | 9.67 in / 245.6 mm |
| Backcan Height | 5.75 in / 146.1 mm |
| Coverage Angle (±6dB @ 2kHz) | 40° |
| Crossover Frequency | 3.0 kHz |
| Cutout Width/Diameter | 10.5 in / 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 |
| Grille Properties | Black, Standard-Flange, Friction-Fit, Paintable, Painted, Steel |
| Low Frequency Voice Coil | 1 in / 25.4 mm |
| Low Pass Crossover | 6 dB per octave 1st order |
| Max. Ceiling Thickness | 1.6 in / 40.6 mm |
| Max. Continuous Power RMS | 64W |
| Max. Program Power | 128 W |
| Minimum Impedance (Ω Ohms) | 17.2 Ω |
| Minimum Ceiling Thickness | 0.04 in / 0.9 mm |
| Network Type: High Pass | 6 dB per octave 1st order |
| Nominal Impedance (Ω Ohms) | 16 Ω |
| Tweeter Driver | 1" Silk Dome |
| Woofer Driver | 8" Polypropylene Cone w/ Butyl Rubber Surround |
| Sensitivity dB @ 1W/1M | 89 dB |
| Sensitivity dB @ 2.83V/1M | 86 dB |
| Tap Selector | Rotary Switch |
| Transformer Options | 25 / 70.7 / 100 V, 16 Ohm direct |
| Transformer Taps Max. Setting (25V/70.7V/100V) | 8W/64W/64W |
| Visible Diameter | 11.75 in / 298.5 mm |
| Visible Height | 0.34 in / 8.6 mm |
