SoundTube Entertainment CM82-EZS-II-BK 8" Coaxial In-Ceiling Shallow Backcan Speaker (Black)
SoundTube Entertainment CM82-EZS-II Overview
The black CM82-EZS-II-BK 8" Coaxial Shallow Backcan In-Ceiling Speaker from SoundTube Entertainment incorporates an 8" polypropylene driver with a butyl rubber surround in a sealed drawn steel backcan. This speaker delivers a high-quality response from a frequency range of 65 Hz to 22 kHz, -10 dB. Engineered for applications with limited plenum space, this speaker features a SoundTube-specific shallow backcan with an installed depth of 3.5 inches.
The CM82-EZS-II-BK Speaker features a constant-tension, fixed-wing mounting system with a 21-gauge steel tile bridge ensuring rapid and secure installation in any sheet-rock or drop-tile application. It also features 6-position tap switch for 25, 70.7, and 100V applications with transformer bypass position. The speaker is developed specifically for paging and background music applications such as hotels, education, healthcare, retail stores, restaurants, airports, churches, or boardrooms.
- Engineered for applications with limited plenum space incorporating a SoundTube-specific shallow backcan with an installed depth of 3.5"
- 8" polypropylene woofer with butyl rubber surround and one 1" silk dome tweeter
- Easy-access, 6-position tap switch for 25/70.7/100V and 16 ohms; transformer bypass settings
- 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
- Maximum sensitivity of 88 dB
- Integrated sealed enclosure
- Optimum voice intelligibility with an average coverage angle of 105° (2 to 10 kHz, independently verified)
- Incorporates a painted steel grille with rust inhibitor for durability
- Can be installed on ceilings with thickness ranging from 0.04 to 1.60"
- UL 1480 (UEAY), 2043, cUL, and CE (EMC Directive 89/366/EEC, EN55020, EN55013) approved
- Black paint finish
SoundTube Entertainment CM82-EZS-II Specs
| System Type |
8" coaxial, in-ceiling, sealed (64 W transformer for 25/70.7/100 V or transformer bypass) |
| Impedance |
16 ohms (nominal) |
| Tweeter |
1.0" (2.5 cm) silk |
| Woofer |
6.5" (16.5 cm) treated fiber |
| Sensitivity |
2.83 V/m: 85 dB
1 W/m: 88 dB |
| Frequency Response |
-3 dB: 109 Hz to 18 kHz
-10 dB: 82 Hz to 22 kHz |
| Power Consumption |
Program Power: 128 W
Continuous Power RMS: 64 W |
| SPL |
Maximum 106 dB @ 3' (1 m) |
| Coverage Angle |
-6 dB @ 2 kHz: 105°
-6 dB @ 10 kHz: 35°
Average from 2 to 10 kHz: 105° |
| Directivity Factor |
5.2 (averaged 100 Hz to 10 kHz); 6.8 (2 kHz) |
| Directivity Index |
5.5 dB (averaged 100 Hz to 10 kHz); 8.3 dB (2 kHz) |
| Tap Selector |
6-position rotary switch with transformer bypass position |
| Low Frequency Driver |
8" (203 mm) polypropylene cone, butyl rubber surround (transducer) |
| High Frequency Driver |
1.0" (2.5 cm) silk dome tweeter (transducer) |
| Low Frequency Voice Coil |
1.0" (2.5 cm) |
| Crossover Frequency |
3.0 kHz |
| Network Type |
Low Pass: 6 dB per octave, 1st order
High Pass: 6 dB per octave, 1st order |
| Enclosure Material |
Drawn steel backcan with ABS baffle |
| Grille Material |
Steel with painted finish |
| Inputs |
4 position ceramic terminal strip |
| Transformer Taps |
At 70.7 V, output: 64 W (106 dB), 32 W (103 dB), 16 W (100 dB), 8 W (97 dB), and 4 W (94 dB)
At 100 V, output: 64 W (106 dB), 32 W (103 dB), 16 W (100 dB), and 8 W (97 dB)
25 V Output: 8 W (97 dB), 4 W (94 dB), 2 W (91 dB), 1 W (88 dB), and 0.5 W (85 dB) |
| Approvals |
UL (UL 1480 (UEAY) and 2043 approved), CE, and RoHS |
| Dimensions |
Backcan Diameter: 9.7" (24.6 cm)
Backcan Height: 3.8" (9.5 cm)
Visible Diameter: 11.8" (29.9 cm)
Visible Height: 0.3" (8.6 mm)
Mounting Hole Diameter: 10.5" (26.7 cm)
Minimum to Maximum Ceiling Thickness: 0.04" (0.9 mm) to 1.6" (4.1 cm) |
| Weight |
7.0 lb (3.2 kg) |
| Packaging Info |
| Package Weight |
9.0 lb |
| Box Dimensions (LxWxH) |
13.0 x 13.0 x 6.0" |
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 WARNING: This product contains chemicals including Styrene which is known to the state of California to cause cancer, and Bisphenol A (BPA), which is known to the state of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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