Acoustic Performance Partnership
Eastern Acoustic Works
UB82
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 [email protected]
AC
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TIC
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TECHNICAL SPECIFICATIONS
UB82
DIMENSIONAL DRAWINGS
DIMENSIONAL DRAWING
SERVICE ITEMS
LF: Complete Cone Dirver
EAW Part No.
(2)804016
HF: Complete Compression Driver/Tweeter
EAW Part No.
803005
Filter/Crossover Network: Complete Assembly
EAW Part No.
225047
ARCHITECTURAL SPECIFICATIONS
The two-way full range loudspeaker systems shall incorpo-
rate 2x 8-in LF transducers and a 1-in exit compression driver
HF transducer.
The LF drivers shall be mounted in a vented enclosure tuned
for optimum low frequency response.The HF driver shall be
loaded on a constant directivity horn with a nominal cover-
age pattern of 90
°
(h) x 70
°
(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 62 Hz to 20 kHz measured on axis. The loudspeaker
shall produce a Sound Pressure Level (SPL) of 95 dB SPL on
axis at 1 meter with a power input of 1 Watt, and shall be
capable of producing a peak output of 127 SPL on axis at 1
meter. The loudspeaker shall handle 400 Watts of amplifier
power (AES Standard) and shall have a nominal impedance
of 4 Ohms.
The loudspeaker enclosure shall be rectangular 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 2-terminal barrier strip
and dual Neutrik NL4 Speakon. A total of ten 3/8"-16 threaded
mounting/suspension points (2 each top and bottom, 3 per
side) shall be provided. The front of the loudspeaker shall be
covered with a vinyl coated perforated steel grill.
The two-way full range loudspeaker shall be the EAW model
UB82.
11.75
2.63
5.38
1.75
2.00
FRONT
TOP
6.31
1.62
1.63
30.14
1.88
BACK
BOTTOM
1.75
10.75
2.63
3.25
4.75
2.00
1.88
4.25
UB82
MOUNTING POINTS 3/8"-16 FEMALE THREADS.
3/8" T-NUT
510170
exp 4/24/96 shb
SIDES