EAW CB2591x User Manual

Technical Specifications CB2591x

CINEMA SERIES

APPLICATION

• For large theaters

• Passive 2-way screen channel loudspeaker

• Requires only one amplifier channel and no external crossover

PRODUCT INFORMATION

The CB2591x passive large format 2-way screen channel loudspeaker
system is designed to provide high output, high definition full range
frequency response.

The two component system includes a BV253C vented dual 15-in low
frequency unit and EAW’s HK2591 high frequency system – a large
format 90° x 40° horn loading a large diaphragm 2-in exit compres­sion driver.

The LF and HF sections are integrated via an internal passive
crossover/filter network. EAW's complex, computer-designed pas­sive filter networks are tightly aligned to the loudspeakers they
control and go beyond merely diving the signal, performing critical
equalization functions.

CB2591x

28.91

39.50

24.50

FRONT

ALL DIMENSIONS ARE IN INCHES UNLESS OTHERWISE NOTED.

CENTER OF GRAVITY.

7.5°

20°

HK2591

71.75

7.25

16.36

INPUT

BV253C

5.25

2.25

The HK2591's large format HF cinema horn ensures even distribution
of HF information over the entire audience area.

The BV253C’s optimally vented enclosure uses enclosure resonance
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. Its shallow enclosure dimensions
allow convenient placement behind the screen.

The LF section includes a two-terminal barrier strip that accomodates
bare wire, tinned leads or spade lugs. The input panel is located on
the side of the LF enclosure for convenient access in cramped
installation areas. A jumper cable is provided to extend the signal
chain to the HF component.

The LF enclosure has 3 mounting points to allow optimum front/rear
positioning of the HF component. The adjustable mounting bracket
attaching the HF horn to the LF enclosure allows the HF horn to be
aimed independently of the LF section in both the horizontal and
vertical planes and can be locked once it is positioned.

All components feature a textured black finish to eliminate the

1.50

reflection of light through perforated cinema screens.

17.75

13.13

RIGHT SIDE

TOP

999514 (0)

exp 11/16/98 dpm

One Main Street, Whitinsville, MA 01588 • [phone] • FAX [phone] • Email [e-mail] • Web http://www.eaw.com

EAW products are continually improved. All specifications are therefore subject to change without notice. • CB2591x PUB#888121 Rev(A)/6/1/99 • Printed In USA

Technical Specifications CB2591x

CINEMA SERIES

COMPONENTS & CONSTRUCTION

The CB2591x is a high output, passive, two-way, full range loud­speaker system intended for use in behind screen cinema applica­tions. It features dual 15-in low frequency transducers mounted in
a compact, vented enclosure and a 2-in exit titanium diaphragm
compression driver mounted to a large format 90° x 40° constant
directivity horn.

The CB2591x requires no external active electronic crossover. The HF
and LF sections are integrated via an internal passive crossover/
filter network. EAW's complex, computer-designed passive filter
networks are tightly aligned to the loudspeakers they control and go
beyond merely diving the signal, performing critical equalization
functions.

The low frequency enclosure is constructed of 3/4-in thick Medium
Density Fiberboard (MDF) with the exception of the baffle which is
15mm void-free, cross-grain-laminated Baltic birch plywood. Exten­sive internal bracing is employed to minimize panel resonances
resulting from the large acoustical energies generated within the
enclosures.

The high frequency horn is constructed from a specially dampened
fiberglass which is non-resonant, lightweight and non-reflective.

The LF section includes a two-terminal barrier strip that accomodates
bare wire, tinned leads or spade lugs. The input panel is located on
the side of the LF enclosure for convenient access in cramped
installation areas. A jumper cable is provided to extend the signal
chain to the HF component.

The adjustable mounting bracket attaching the HF horn to the LF
enclosure can be positioned at one of three mounting points for
optimum HF horn placement. It allows the HF horn to be aimed
independently of the LF section in both the horizontal and vertical
planes and can be locked once it is positioned.

DESCRIPTIVE DATA

LF Subsystem & Loading 2x 15 vented

HF Subsystem & Loading 1x 2" compression driver on 90x40 horn

Number of Audio Bands 2-way

Powering Mode Passive, Full Range

Recommended High-Pass

Frequency (24 dB/Octave) 30 Hz

Cabinet Type (shape) Rectangular LF cab with externally

mounted HF horn

Enclosure Materials 3/4" MDF with 15mm birch plywood

baffle

Finish Textured Black

Connectors 2-terminal barrier strip

NOMINAL DATA

Frequency Response (1 Watt @ 1m)

±3 dB 42 Hz - 18 kHz

Axial Sensitivity (dB SPL, 1 Watt @ 1m)

Full Range 100

Impedance (Ohms)

Full Range 4

Power Handling, AES Standard (Watts)

Full Range 500

Calculated Maximum Output (dB SPL @ 1m)

Full Range Peak 133.0

Full Range Long Term 127.0

Nominal Coverage Angle/-6 dB points (degrees)

Horizontal 90

Vertical 40

Recommended Complementary Systems

Sub SB184C, SB185C, SB284C

Dimensions Inches Centimeters

Height 77.75 197.5

Width 29.00 73.7
Depth 34.19 86.8

Weights Pounds Kilograms

Net Weight 182 82.6

Shipping Weight 195 88.5

One Main Street, Whitinsville, MA 01588 • [phone] • FAX [phone] • Email [e-mail] • Web http://www.eaw.com

EAW products are continually improved. All specifications are therefore subject to change without notice. • CB2591x PUB#888121 Rev(A)/6/1/99 • Printed In USA