Phase Technology CM5890i specifications CM890i, In-CeilingSpeaker, Key Features, Description

CM890i	In-Ceiling Speaker
	Preliminary Technical Information for System Engineers

Specifications: CM890i					Tile bridge included
System Type			8” Coax, compression tweeter w/ 1” exit, in-ceiling, ported (66
			Watt transformer for 25/70.7/100 Volt or voice coil / 8 Ohm direct)
Frequency Response (- 3 dB)1			77 Hz - 20 kHz
Low Frequency (-10 dB)1			63 Hz - 20 kHz
Max. Program Power			250 Watts
Max. Continuous Power RMS2			125 Watts
Max. UL program power3			65 Watts
Max. SPL dB @ 1 M			116 dB
Sensitivity dB @ 1W/1M4			95 dB
Impedance (nominal)			8 Ohm
Coverage Angle (-6 dB @ 2 kHz)			100º
Coverage Angle (-6 dB @ 8 kHz)			110º
Directivity Factor (Q)			5.35 (Averaged 100 Hz - 10 kHz); 7.89 @ 2 kHz
Directivity Index (DI)			6.49 dB (Averaged 100 Hz - 10 kHz); 8.97 dB @ 2 kHz
Tap Selector			6-Position rotary switch with voice coil direct (8 Ohm)
Transformer Taps
70.7 V	Output	100 V	Output	25 V	Output
66 W	113 dB	66 W	113 dB	5 W	102 dB
35 W	110.5 dB	35 W	110.5 dB	2.5 W	99 dB
19 W	108 dB	19 W	108 dB	1.25 W	96 dB
10 W	105 dB	10 W	105 dB	0.75 W	94 dB
5 W	102 dB
Transducers
Low Frequency Driver			1 x 203 mm (8 in) Treated fiber cone, cloth surround
High Frequency Driver			1 Compression driver with waveguide and a 25.4 mm (1”) exit
Low Frequency Voice Coil			34 mm (1.36 in)
Crossover Frequency			2.4 kHz
Network Type
Low Pass			12 dB per octave, 2nd order
High Pass			12 dB per octave, 2nd order
Enclosure Material			Drawn aluminum backcan with ABS baffle
Motor-Board			Cast aluminum
Grille			Iridite-plated steel with powder-coat finish
Inputs			4 Pin, 5 mm Euroblock for individual or daisy chain connection
Colors			Black or white
Backcan Diameter			296.7 mm / 11.68 in
Backcan Height			201.7 mm / 7.94 in
Visible Diameter			375.0 mm / 14.76 in
Visible Height			27.5 mm / 1.08 in
Weight			6.5 kG / 14.3 lbs
Shipping Weight			N/A
Accessories
Included			Tile bridge, Euroblock connector, back cover plate & installation aid
Optional			Pre-Construction Bracket (AC-CM8-PCB),
			Junction Box (AC-CM-JBOX)
Packaging			2 per box

1Frequency response is measured in half space.

2 Continuous power rating, EIA-426-B test.

3 UL testing specifies band-limited pink noise over the indicated frequency spectrum. 4 2.83 Volts at a distance of 1 meter.

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Preliminary Technical Information

The information in this document reflects preliminary data. Items including polar plots, frequency, phase and impedance response graphs will be added when final data are available.

Key Features

•BroadBeamHP® waveguide technology delivers a consistent dispersion pattern for maximum coverage area per speaker (up to 10 kHz, EASE™ documented).

•66 Watt transformer and high output

(116 dB) for the sound reinforcement and PA markets.

•One 203 mm (8.0 in) treated fiber driver and one compression driver with a 25.4 mm (1 in) exit mounted to a proprietary cast- aluminum M8™ baffle and heat sink.

•95 dB Average sensitivity offers high- output capabilities and reduced amplifi- cation costs.

•Separate tool-free magnetic grille & bezel assembly for ease of install and in-field painting.

•Iridite-plated, steel grille with protective powder-coated finish for lasting durability.

•Rapid-installation blind mount fixed wing mounting mechanism with con- stant tension design affixes to ceiling thickness tolerances ranging from 6.4 mm (0.25 in) to 42.9 mm (1.69 in).

•UL 2043 approval pending.

•Included accessories: Tile bridge, Euroblock connector & paint mask /installation aid.

•Optional accessories: Pre-Construc- tion Bracket

Description

The CM890i is a premium 8.0” 2-way, in-ceiling, high-efficiency, high-SPL loudspeaker for distributed or 8 Ohm applications. The CM890i incorporates a dedicated 8.0” treated fiber driver and high-power compression transducer with a BroadBeamHP® waveguide to deliver a consistent dispersion pattern and superb intelligibility for the foreground music, sound reinforcement and PA markets. The CM890i also incorporates a 66 Watt trans- former with a 6-position tap switch and voice coil/8 Ohm direct position. Mount- ing hardware and tile-bridge are included and feature a fast and secure constant-ten- sion fixed wing mounting system.

© 2006 SoundTube Entertainment. All rights reserved. PN TS-CM590 REV 04.04.06