Product Description
SoundTube CM890i 8" 2-way High Power In Ceiling Speaker
Overview
Patented BroadBeam Ring™ waveguide technology delivers a consistent dispersion pattern for maximum intelligibility and edge-to-edge coverage. A 66-watt transformer and high output for the sound reinforcement and PA markets. One 8.0 inch treated fiber driver and one compression driver with a 1.0 inch exit mounted to a proprietary cast-aluminum baffle and heat sink. Rapid-installation, blind-mount, fixed-wing mounting mechanism with constant-tension design affixes to ceiling thicknesses ranging from 0.25 inch (6.4 mm) to 1.91 inch (48.5 mm). Easy access six-position tap switch for 25-, 70.7- and 100-volt applications with transformer bypass position. Separate tool-free magnetic grille and bezel assembly with integrated safety cable for ease of install and in-field painting. Average sensitivity of 93.0 dB offers high-output capabilities and reduced amplification costs. UL 1480 (UEAY) and 2043 approved.
Included Accessories: Tile bridge, conduit plate, Euroblock connector and paint mask/installation aid.
Specifications
| Manufacturer | SoundTube |
|---|---|
| Manufacturer's Category | CMi In-Ceiling |
| Shipping Weight | 47.55 lbs / 21.57 kg |
| Carton Height | 18.75 in / 476.25 mm |
| Carton Length | 32 in / 812.8 mm |
| Carton Width | 14 in / 355.6 mm |
| Certifications | CE, RoHS, UL1480A, UL2043 |
| Enclosure Properties | ABS Glass Fiber Reinforced, Injection Molded, Ported |
| Enclosure Volume | 513.8 cu in / 8419.67 cu cm |
| Included Accessories | Conduit Plate, Euroblock, Grille, Paint Mask, Tile Bridge |
| Optional Accessories | Black Metal Grille (GRL-CM6/8-BK)|Black Weather-Guard Grille (GRL-CM6/8-WG-BK)|Black Flangeless Grill (GRL-CM6/8-FLG-BK)|Tile Bridge (AC-CM8-TB)|Pre-Construction Bracket (AC-CM8-PCB)|Junction Box (AC-CM-JBOX) |
| Source Inputs | 4 Pin 5.08mm Euroblock |
| Backcan Diameter | 11.68 in / 296.7 mm |
| Backcan Height | 7.94 in / 201.7 mm |
| Coverage Angle (±6dB @ 2kHz) | 80° |
| Crossover Frequency | 2.2 kHz |
| Cutout Width/Diameter | 12.75 in / 323.9 mm |
| Directivity Factor (Q) (Averaged 100Hz - 10kHz, @ 2kHz) | 4.4 and 5.5 |
| Directivity Index (DI) dB (Averaged 100Hz - 10kHz, @ 2kHz) | 7.4dB and 5.5dB |
| Frequency Response (± 10 dB) | 62 Hz - 22 kHz |
| Frequency Response (± 3 dB) | 80 Hz - 22 kHz |
| Grille Properties | Black, Standard-Flange, Magnetic, Powder-Coated, Paintable, Steel |
| Low Frequency Voice Coil | 1.34 in / 34 mm |
| Low Pass Crossover | 12 dB per octave 2nd order |
| Max. Ceiling Thickness | 1.91 in / 48.5 mm |
| Max. Continuous Power RMS | 125w |
| Max. Program Power | 250 W |
| Minimum Impedance (Ω Ohms) | 5.2 Ω |
| Minimum Ceiling Thickness | 0.25 in / 6.4 mm |
| Network Type: High Pass | 12 dB per octave 2nd order |
| Nominal Impedance (Ω Ohms) | 8 Ω |
| Tweeter Driver | 1.42" Titanium Compression Driver w/ Waveguide |
| Woofer Driver | 8" Treated Paper Cone w/ Cloth Surround |
| Sensitivity dB @ 1W/1M | 93 dB |
| Sensitivity dB @ 2.83V/1M | 93 dB |
| Tap Selector | Rotary Switch |
| Transformer Options | 25 / 70.7 / 100 V, 8 Ohm direct |
| Transformer Taps Max. Setting (25V/70.7V/100V) | 9W/66W/66W |
| Visible Diameter | 14.76 in / 374.9 mm |
| Visible Height | 1.08 in / 27.4 mm |
