Phase Technology CM5890i 用户手册

Optional Accesories 

   

 

 

Preliminary Technical Information for System Engineers

by 296.7 mm (11.68 in) in diameter.  The 

maximum visible dimensions shall be 

no more than 27.5 mm (1.08 in) in height 

by 375 mm (14.76 in) in diameter.  The 

backcan shall be constructed of alumi-

num.
  The system shall include a 16-gauge 

painted steel support backing plate (tile 

bridge) to reinforce the ceiling material 

and tile support rails.  The maximum 

tile bridge dimensions shall be no more 

than 600.1 mm (23.62 in) in length by 

428.2 mm (16.86 in) in width and 10.4 

mm (0.41 in) in thickness with a 325 mm 

(12.80 in) cutout for speaker mounting. 
  The grille shall be constructed of iri-

dite-plated, powder-coated steel with an 

ABS bezel.  The affixed grille and bezel 

shall be mounted to the speaker enclo-

sure (backcan) via magnetic attachment 

and include a safety wire. Also included 

are a paint mask for in-field painting 

and an installation aid that serves as a 

handhold during mounting.
  The CM890i has an optional Pre-Con-

struction Bracket (AC-CM8-PCB) that 

shall be compatible with an optional 

Junction Box (AC-CM-JBOX). An 18-

gauge wire whip and Euroblock connec-

tor shall be included with the Junction 

Box. The maximum dimensions of the 

Pre-Construction Bracket shall be no 

more than 635 mm (25 in) in length by 

457.2 mm in width and 127 mm (5 in) in 

thickness with a 326.1 (12.85 in) cutout 

for speaker mounting.
The system shall be the CM890i with 

mounting hardware for both low- and 

high- impedance applications.

SoundTube Entertainment

6430 North Business Park Loop  
Park City, Utah 84098
Phone  435.647.9555    
Fax 

435.647.9666     

Toll Free  800.647.TUBE
www.soundtube.com

 

SoundTube Entertainment manufactures a complete line of speakers for: 

 

Open-Ceiling • In-Ceiling • Surface-Mount • Outdoor • Sound-Focusing 

All SoundTube products are designed and engineered in the USA.

Mechanical Drawings

Included Accessories

201.7 mm 

(7.94 in)

375 mm (14.76 in)

27.5 mm (1.08 in)

Max.
42.9 mm (1.69 in)

600.1 mm  

(23.62 in)

325.1 mm

(12.80 in)

296.7 mm 

(11.68 in)

428.2  

(16.86 in)

Min.
6.4 mm (0.25 in)

Side

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