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SPECIFICATIONS AS490e
DIMENSIONAL DRAWING
A & E SPECIFICATIONS
One Main Street, Whitinsville, MA 01588 508 234 6158 Toll Free 800 992 5013 FAX 508 234 8251 info@eaw.com www.eaw.com
EAW products are continually improved. All specifications are therefore subject to change without notice. AS490e/2 pp October 2001 Printed in USA
INDICATES MOUNTING POINT, 3/8-16 THREADED HOLE
(PI ANGLE).
INDICATES MOUNTING POINT, 3/8-16 THREADED HOLE
(NUT PLATE).
SYMBOL INDICATES CENTER OF BALANCE.
FRONT
22.50
GRILLE PARTIALLY SHOWN
24.62
BACK
ACCESS PANEL
5.00
6.94
L
C
INPUT
L
C
(1.50)
4.00
11.00
19.50
TOP/BOTTOM
4.00
A
L
C
A
11.00
16.00
23.00
30°
10.09
18.67
(12.29)
18.60
L
C
4.6316.56
509130 (0)
5/10/01
The bi-amplified or passive mid/high loudspeaker system
shall incorporate a horn-loaded 10-in MF cone with Radial
Phase Plug™ and a 1.4-in exit/2.5-in voice coil HF neodymi-
um compression driver.
The MF driver shall be loaded into a midrange horn con-
structed of 1/8-in birch plywood backed with high density
polyurethane foam. The HF driver shall be loaded on a con-
stant directivity horn with a nominal coverage pattern of 90°
(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 mid/high sec-
tion shall produce a Sound Pressure Level (SPL) of 107 dB SPL
on axis at 1 meter with a power input of 1 Watt and shall be
capable of producing a peak output of 139 dB SPL on axis at
1 meter. The mid frequency section system shall produce a
Sound Pressure Level (SPL) of 109 dB SPL on axis at 1 meter
with a power input of 1 Watt and shall be capable of produc-
ing a peak output of 141 dB SPL on axis at 1 meter. The high
frequency section shall produce a Sound Pressure Level (SPL)
of 109 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 dB
SPL on axis at 1 meter. The mid/high section shall handle
450 Watts of amplifier power (continuous) and shall have a
nominal impedance of 8 Ohms. The mid frequency section
shall handle 400 Watts of amplifier power (continuous) and
shall have a nominal impedance of 8 Ohms. The high fre-
quency section shall handle 125 Watts of amplifier power
(continuous) and shall have a nominal impedance of 8 Ohms.
The loudspeaker enclosure shall be trapezoidal in shape. It
shall be constructed of multi-ply, void-free, cross-grain-lami-
nated, exterior grade, Baltic birch plywood and shall employ
extensive internal bracing. It shall be finished in wear-resist-
ant textured black paint. Input connectors shall be 2x 6-con-
tact terminal barrier strips. Eighteen (18) 3/8"-16 threaded
mounting/suspension points (4 each top, bottom and sides,
2 on back) shall be provided. The front of the loudspeaker
shall be covered with a powder coated perforated steel grille.
The mid/high loudspeaker shall be the EAW model AS490e.
30°
SIDE VIEW VIEW A-A
DIMENSIONS APPLY
TO BOTH SIDES
Manufacturing tolerances are +/- 0.13 and +/- 1°