EAW Speaker System CB423M User Manual

Technical Specifications CB423M  
CINEMA SERIES  
APPLICATION  
• Approved for use in THX®-certified theaters  
• For small to medium-sized theaters  
• Triamplified 3-way screen channel loudspeaker  
PRODUCT INFORMATION  
The CB423M triamplified three-way full-range screen channel loud-  
speaker system has been approved for use in THX-certified theaters.  
Three-way design dramatically advances cinema audio quality by  
improving the naturalness and intelligibility of dialog, eliminating  
distortion from excessive driver excursion and extending pattern  
control into the lower octaves.  
The two component system includes a BV423 15-in low frequency  
enclosure and an HK523M mid/high section.  
The low frequency enclosure uses optimally tuned enclosure venting  
to increase LF response while limiting driver excursion. This method  
produces less distortion and minimizes driver strain while extending  
LF response to the lowest octaves. The enclosure’s shallow dimen-  
sion allows convenient placement behind the screen.  
The HK523M MF/HF section features a horn-loaded 10-in cone and  
a high power 1.4-in exit compression driver loaded with a 90° x  
45° coverage pattern constant directivity horn.  
The adjustable steel bracket attaching the MF/HF section to the LF  
enclosure can be positioned at one of three mounting points for  
optimum front/rear placement. The bracket allows the MF/HF  
section to be aimed independently of the LF section in both the  
horizontal and vertical planes and can be locked once it is posi-  
tioned.  
24.43  
CB423M  
24.83  
3.66  
Input connectors for the LF and MF sections are two-terminal barrier  
strips that accommodate bare wire, tinned leads or spade lugs. Bind  
postsforthehighfrequencysectionarelocateddirectlyoncompres-  
sion driver. The input panels are located on the side and top of the  
enclosures for convenient access in cramped installation areas.  
ACCESS  
PANEL  
51.66  
INPUT  
21.75  
TOP  
BACK  
FRONT  
5.21  
22.20 (POS 3)  
All external components feature a non-reflective, textured black  
finish to eliminate the reflection of light through perforated cinema  
screens.  
18.69 (POS 2)  
14.88 (POS 1)  
25°  
HK523M  
BRACKET  
EAW 606098  
BV423  
15.88  
INPUT  
997112 (0)  
exp 3/1/00 js  
LEFT SIDE  
RIGHT SIDE  
THX is a registered trademark of Lucasfilm, Ltd.  
EAW products are continually improved. All specifications are therefore subject to change without notice. • PUB# CB423M-888165 (A)/3/1/00 • Printed In USA  
 

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