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
C
L
TOP
4.89
6.00
16.50
11.27
4.00
INPUT
C
L
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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