Technical Specifications CB153
CINEMA SERIES
COMPONENTS & CONSTRUCTION
DESCRIPTIVE DATA
LF Subsystem & Loading
MF Subsystem & Loading
HF Subsystem & Loading 1x 1-in compression driver on WGP
Number of Audio Bands 3-way
1x15-in vented
1x 8-in vented
The CB153 is a compact, biamplified (passive mid/high), three-way,
high-output, full range loudspeaker system intended for use in
behind-screen cinema applications. The two component system
consists of a BV154C low frequency enclosure and an HK153 passive
mid/high system.
Type of Audio Bands Full Range
Powering Mode
System Crossover 350 Hz recommended - EAWCX300-CB153
Recommended High-Pass
Frequency (24 dB/Octave) 30 Hz
Cabinet Type (shape) rectangular (LF), trapezoidal (MF/HF)
Enclosure Materials 3/4-in MDF, 15mm baltic birch plywood
baffle (LF); 3/4-in MDF (MF/HF)
Finish
Biamplified
The system requires the use of an external active electronic
crossover between the LF and mid/high sections with a maximum
recommended crossover point of 350 Hz. The mid/high component
includes a internal passive crossover/filter network with the cross-
over set at 1.8 kHz. EAW's complex, computer-designed passive filter
networks are tightly aligned to the loudspeakers they control and go
beyond merely dividing the signal, performing critical equalization
functions.
Textured Black
2x 2 terminal barrier strip
Connectors
NOMINAL DATA
The BV154C low frequency component features a single 15-in low
frequency driver mounted in an asymmetrical, vented enclosure for
excellent bass extension and high output level capability with low
distortion.
Frequency Response (1 Watt @ 1m)
±3 dB 40 Hz - 18 kHz
Axial Sensitivity (dB SPL, 1 Watt @ 1m)
Passive MF/HF 98
LF
98
The HK153 mid/high component features a 1-in exit compression
driver loaded with EAW’s proprietary WGP® (Wave Guide Plate) and
a direct radiating 8-in mid frequency cone transducer.
Impedance (Ohms)
Passive MF/HF
LF
8
8
Power Handling, AES Standard (Watts)
Passive MF/HF 320
The LF cabinet is constructed of 3/4-in Medium Density Fiberboard
(
1
MDF) with the exception of the baffle, which is constructed of
5mm void-free, 18-ply-to-the-inch Baltic birch plywood. The mid/
LF
500
Calculated Maximum Output (dB SPL @ 1m)
Passive MF/HF Peak 129
LF Peak 131.0
high enclosure is constructed entirely of the MDF. Extensive internal
bracing is provided for both the LF and mid/high sections to
minimize panel resonances resulting from the large acoustical
energies generated within the enclosure while maximizing acousti-
cal energy transfer into the audience area. The enclosures and all
external parts are coated with a textured black finish.
Passive MF/HF Long term
123
LF Long Term 125.0
Nominal Coverage Angle/-6 dB points (degrees)
Conical 90
Recommended Complementary Systems
Input connectors for both the LF and mid/high sections are 2-
terminal barrier strips. Separate input connectors for the LF and
mid/high sections are located on the side of the enclosure for
convenient access in cramped installation areas.
Sub
SB184C, SB185C, SB284C
Dimensions
Weights
Inches
50.60
29.50
36.13
13.90
Centimeters
128.5
74.9
91.8
35.3
Height
Width (Front)
Width (Rear)
Depth
The adjustable steel bracket attaching the mid/high component to
the LF enclosure allows the mid/high section to be aimed indepen-
dently of the LF section in both the horizontal and vertical planes
and can be locked once it is positioned. The LF enclosure has 2
mounting points to allow optimum front/rear positioning of the
mid/high component.
Pounds Kilograms
Net Weight
Shipping Weight
105.0
115.0
47.8
52.3
One Main Street, Whitinsville, MA 01588 • (508) 234-6158 • FAX (508) 234-8251 • Email info@eaw.com • Web http://www.eaw.com
EAW products are continually improved. All specifications are therefore subject to change without notice. • CB153 PUB#888123 Rev(A)/6/1/99 • Printed In USA
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