EAW CR72i Bedienungsanleitung

TECHNICAL SPECIFICATIONS CR72i

CINEMA SYSTEMS

DESCRIPTIVE DATA

Part Number 997

LF Subsystem & Loading 1x8-in cone, vented

HF Subsystem & Loading 1x1-in so t dome tweeter

Con iguration 2-way, ull range

Powering Mode Passive

Recommended High-Pass

Frequency (24 dB/Octave) 50 Hz

Cabinet Type (shape) Rectangular, slant ba le

Enclosure Materials Medium Density Fiberboard

Finish Textured black

Connectors 2 terminal barrier strip

Suspension Hardware (2) 3/8”-16 threaded points (1 per

side) plus (4) 1/4”-20 threaded

inserts on back to accept

Omnimount Series 100 or APC MM024

Grille black cloth on plastic rame

Dimensions inches millimeters

Height 16.09 409

Width 16.50 419

Depth (Top) 12.12 308

Depth (Bottom) 6.26 159

Weights pounds kilograms

Net Weight (approx) 26 11.8

Shipping Weight (approx) 33 15.0

• For small to large cinemas

• Passive 2-way surround channel loudspeaker

• THX® approved

The CR72i two-way, passive, ull range cinema surround loudspeak-

er system is engineered to reproduce today’s ull bandwidth digital

surround tracks in smaller cinemas. It eatures an 8-in woo er and a

1-in dome tweeter mounted in a slanted ba le.

This system is approved by the THX® division o Lucas ilm, Ltd., or

use in THX® certi ied theaters.

The CR72i is speci ically engineered to cover a larger seating area

with higher quality, higher output sound than traditional cinema

surrounds.

The passive crossover/ ilter network included in the CR72i goes

beyond merely dividing the signal and actually per orms critical

equalization unctions. This means it will provide more detailed,

natural reproduction o any sonic event occurring in the 360° aural

arena. The crossover/ ilter network tailors HF response to match the

SMPTE/ISO 2969 response curve.

The ront ba le is angled down 15° to accommodate overhead

mounting. The optimally vented enclosure increases LF response

while limiting driver excursion. This method produces less distortion

and minimizes driver strain while extending LF response to the

lowest octaves.

The input connector - a 2-terminal barrier strip that accommodates

bare wire, tinned leads or spade lugs - is located on top o the

enclosure. For sa ety, the cloth grille is attached with multiple

threaded asteners.

APPLICATION

PRODUCT INFORMATION

TECHNICAL SPECIFICATIONS CR72i

Frequency Resp nse

+3 dB SMPTE/ISO 2969 “X” curve

66 Hz - 19 kHz

-10 dB 45 Hz

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

Full Range Passive 95

Impedance (Ohms)

Full Range Passive 8

P wer Handling, AES Standard (Watts)

Full Range AES Standard 150

Calculated Maximum Output (dB SPL @ 1m)

Full Range Peak 122.8

Full Range Long Term 116.8

N minal C verage Angle/-6 dB p ints (degrees)

Conical 110

NOMINAL DATA

The CR72i two-way, passive, ull range cinema surround loudspeaker

system includes one 8-in cone transducer mounted in an optimally

vented enclosure and one 1-in so t dome driver. The LF and HF sec-

tions are integrated with a complex, multicomponent passive

crossover/ ilter network which tailors HF response to match the

SMPTE/ISO 2969 response curve.

The enclosure is constructed o 3/4-in Medium Density Fiberboard

(MDF). Extensive internal bracing is employed to minimize panel

resonances resulting rom the large acoustical energies generated

within the enclosure while maximizing acoustical energy trans er

into the audience area.

Input connectors, located on the top o the enclosure, are 2-termi-

nal barrier strip, designed to accommodate bare wire, tinned leads or

spade lugs. For sa ety, the black cloth grille is attached with

multiple threaded asteners.

All external components eature a textured, non-re lective, black

inish.

COMPONENTS & CONSTRUCTION

COMPONENTS & CONSTRUCTION c ntinued

exp 11/23/00

CR72i INDICATES MOUNTING POINT,

3/8-16 THREADED HOLE (RIVNUT)

INDICATES MOUNTING POINT,

5/16-18 THREADED HOLE (OMNI MOUNT)

BOTTOM

6.84

FRONT

REMOVABLE GRILLE

PARTIALLY SHOWN

16.54

TOP

4.89

6.00

16.50

11.27

4.00

INPUT

BACK

5.00

2.75

7.00

(17.12)

15°

DIMENSIONS APPLY

TO BOTH SIDES

RIGHT SIDE

11.85

OVER GRILLE

FRAME

7.56

4.34

510974 (A)

One Main Street, Whitinsville, MA 01588 • (508) 234-6158 • FAX (508) 234-8251 • Email in o@eaw.com • Web http://www.eaw.com

EAW products are continually improved. All speci ications are there ore subject to change without notice. • PUB #888xxx (B) May 2001 • Printed in USA

THX is a registered trademark of Lucasfilms, Ltd.

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