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DIMENSIONAL DRAWINGS
DIMENSIONAL DRAWING
CH461
MOUNTING POINTS 3/8"-16 FEMALE THREADS.
ALL DIMENSIONS ARE IN INCHES UNLESS OTHERWISE NOTED.
1.97
4.19
3.50
22.50
19.75
1.97
FRONT
LEFT SIDE
12.75
8.25
1.84 (4)
2.44
20
TOP
510049
EXP 4/23/96 SHB
Acoustic Performance Partnership
One Main Street, Whitinsville MA, 01588 USA • Phone 508/234-6158 • Toll Free 800/992-5013 • Fax 508/234-8251 • Web http://www.eaw.com • email info@eaw.com
TECHNICAL SPECIFICATIONS CH461
13.56
6.00
11.75
11.00
20.15
10.50
1.38
RIGHT SIDE
14.60
19.75
13.38
20.06
9.89
2.59
BOTTOM
Eastern Acoustic Works
SERVICE ITEMS
MF: Complete Cone Driver
EAW Part No.
HF: Complete Compression Driver/Tweeter
2.31
EAW Part No.
Filter/Crossover Network: Complete Assembly
1.97
EAW Part No.
8.97
ARCHITECTURAL SPECIFICATIONS
The passive mid/high loudspeaker systems shall incorporate
1.97
a 10-in MF transducer and 1-in exit compression driver HF
transducer.
The MF driver shall be loaded into a constant horizontal cov-
erage horn constructed of 3mm birch plywood reinforced with
high density polyurethane foam. The MF horn shall incorpo-
rate a phase/displacement plug. The HF driver shall be loaded
on a constant directivity horn with a nominal coverage pat-
tern of 60 (h) x 45 (v). An internal passive filter network
shall provide fourth order acoustical crossover and system
equalization.
System frequency response shall vary no more than 3 dB
from 200 Hz to 15 kHz measured on axis. The loudspeaker
shall produce a Sound Pressure Level (SPL) of 106 dB SPL on
axis at 1 meter with a power input of 1 Watt, and shall be
capable of producing a peak output of 136.8 SPL on axis at
1 meter. The loudspeaker shall handle 300 Watts of amplifier
power (AES Standard) and shall have a nominal impedance
of 8 Ohms.
The loudspeaker enclosure shall be trapezoidal in shape. It
shall be constructed of 15mm thickness void-free cross-grain-
laminated Baltic birch plywood and shall employ extensive
internal bracing. It shall be finished in black catalyzed poly-
urethane. Input connectors shall be 4-terminal barrier strip
and 1x Neutrik NL4 Speakon. A total of twenty 3/8"-16
threaded mounting/suspension points (5 each on top and
bottom, 4 per side, 2 on rear) shall be provided. The front of
the loudspeaker shall be covered with a vinyl coated perfo-
rated steel grill.
The mid/high loudspeaker shall be the EAW model CH461.
804021
803006
225049
CH461
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