20
100
1000
10000
20000
0
10
20
30
1
10
100
1000
D
ir
ecti
vi
ty F
acto
r (Q)
Frequency (Hz)
Dir
e
c
tiv
it
y
In
d
e
x
(
DI)
, d
B
20000
10000
1000
100
20
3.6
20
100
360
Horizontal
Vertical
Frequency (Hz)
-6d
B
B
eam
w
id
th
(d
eg
rees)
U.S.A. and Canada only. For customer orders, contact Customer Service at:
800/392-3497 Fax: 800/955-6831
Europe, Africa, and Middle East only. For customer orders, contact Customer Service at:
+ 49 9421-706 0 Fax: + 49 9421-706 265
Other International locations. For customer orders, contact Customer Service at:
+ 1 952 884-4051 Fax: + 1 952 887-9212
For warranty repair or service information, contact the Service Repair department at:
800/685-2606
For technical assistance, contact Technical Support at: 866/78AUDIO
Specifications subject to change without notice.
12000 Portland Avenue South, Burnsville, MN 55337
Phone: 952/884-4051, Fax: 952/884-0043
www.electrovoice.com
© Telex Communications, Inc. 1/2006
Part Number 38109-865 Rev B
Beamwidth:
Directivity:
Rear
Dimension Drawings:
Architects’ and Engineers’ Specifications
The loudspeaker shall be coaxial with a 12.0-in. (30.5 cm)
low-frequency cone and a high temperature voice coil assembly
coaxially mounted with a wide dispersion dome radiator tweeter. The
loudspeaker shall meet the following criteria: AES power rating shall
be 200 watts of band limited pink noise (90 Hz to 18 kHz, 6 dB crest
factor). Frequency response, uniform from 90 Hz to 18 kHz. Pressure
sensitivity, 100 dB SPL at 1 meter on axis with one watt of band-limited
pink noise from 500 Hz to 3 kHz (ref. 20 ìpa). Minimum impedance,
5.2 ohms. The voice coils shall be LF 2.0 inches (5.1 cm) and HF -
1.5 inches (3.8 cm) in diameter, driven by ferrite magnets. The
loudspeaker shall be 12.3 inches (31.2 cm) in diameter and 5.0 inches
(12.7 cm) deep. The weight shall be
13
.
5
lbs. (
6.2
kg). The loudspeaker
shall be the Electro-Voice
®
model 920-8B.
920-8B Part Number
• 301922-100
920-8B, 12” Coaxial Woofer
Performance Match
• D170180
CPS-2T Power Amplifier, 2 x 600W, Output
Transformer
• 500577-000
MA1212 Mixer Amplifier, 120W
• D170263
CPS 2.4 Power Amplifier, 2 x 400W
Accessories
• 1888-3711
TM60 Transformer, 60W
Side
Front
Frequency Response:
20000
10000
1000
100
50
20
316
100
10
3.16
70
80
90
100
110
Frequency (Hz)
Se
n
s
it
iv
it
y
(
d
B
)
Im
pe
da
nc
e
(
O
hm
s
)
Half Space
Impedance