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CINEMA SERIES
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. • CB153x PUB#888124 Rev(A)/6/1/99 • Printed In USA
Technical Specifications CB153x
DESCRIPTIVE DATA
LF Subsystem & Loading 1x15-in vented
MF Subsystem & Loading 1x 8-in vented
HF Subsystem & Loading 1x 1-in compression driver on WGP
Number of Audio Bands 3-way
Powering Mode Passive
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 Textured Black
Connectors 2x 2 terminal barrier strip
NOMINAL DATA
Frequency Response (1 Watt @ 1m)
±3 dB 40 Hz - 18 kHz
Axial Sensitivity (dB SPL, 1 Watt @ 1m)
Passive 98
Impedance (Ohms)
Passive 8
Power Handling, AES Standard (Watts)
Passive 320
Calculated Maximum Output (dB SPL @ 1m)
Passive Peak 129.0
Passive Long term 123.0
Nominal Coverage Angle/-6 dB points (degrees)
Horizontal 90
Vertical 90
Recommended Complementary Systems
Sub SB184C, SB185C, SB284C
Dimensions Inches Centimeters
Height 50.60 128.5
Width (Front) 29.50 74.9
Width (Rear) 36.13 91.8
Depth 13.90 35.3
Weights Pounds Kilograms
Net Weight 105.0 47.8
Shipping Weight 115.0 52.3
COMPONENTS & CONSTRUCTION
The CB153x is a compact, three-way, high-output, full range passive
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.
The system can be powered by a single amplifier channel and
requires no external electronic crossovers. EAW's complex, com-
puter-designed passive filter networks are tightly aligned to the
loudspeakers they control and go beyond merely dividing the signal,
performing critical equalization functions.
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.
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.
The LF cabinet is constructed of 3/4-in Medium Density Fiberboard
(MDF) with the exception of the baffle, which is constructed of
15mm void-free, 18-ply-to-the-inch Baltic birch plywood. The mid/
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.
The LF section's input plate includes a 4-terminal barrier strip which
accomodate bare wire, tinned leads or spade lugs. Two terminals
serve as inputs and the other two serve as outputs for the "jumper
cable" which connects to another 2-terminal barrier strip on the the
mid/high section. The input panels are located on the sides of the
enclosures for convenient access in cramped installation areas.
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.