20000
10000
1000
100
50
20
70
80
90
100
110
Fre quency (Hz)
Se
n
s
it
iv
it
y
(
d
B
)
Half Space, 125 Hz Low Pass
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: + 1 952 736-4212
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. 10/2006
Part Number 38110-528 Rev. B
Frequency Response:
Block Diagram (Parallel Mode):
Dimension Drawings:
Front View
Top View
Right View
PX2181 Part Number
• 302015-001
PX2181, 18” Subwoofer, Black Finish
Performance Match
• 302009-001
PX2122, 45° x 30° Horn, Black Finish
• 302011-001
PX2152, 60° x 45° Horn, Black Finish
• 302017-001
PX1122M, 90° x 45° Horn, Black Finish
• D170401
CP4000S, 120V, 1400W x 2, Compact
Precision Series Amplifier
• D170348
DX38, Digital Loudspeaker Processor
Accessories
• ASY000004-001
PX-D2, Dolly Kit for PX2181
Rear View
Block Diagram (Dual Mode):
Diagram Note:
This wiring results in
positive acoustic
pressure with a
positive voltage at
the input because
the woofers are
physically reversed.
Diagram Note:
This wiring results in
positive acoustic
pressure with a
positive voltage at
the input because
the woofers are
physically reversed.
