Electro-Voice Xi Series Xi-2181A User manual

Technical Specifications:General Description:
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1 Half Space measurement with a Dx38 Controller
The Electro-Voice®Xi-2181Aand Xi-2181AF bass systems
are part of the Xi-A series and are intended for high-level
sound reinforcement for fixed-installation and touring-
sound applications. The Xi-2181A and Xi-2181AF are
manifolded, vented-box bass systems utilizing two (2) EVX-
180B 457-mm (18-in.) woofers. The two woofers face each
other in a manifold chamber at the center of the enclosure.
This manifolding technique (U.S. Patent Number
4,733,749) increases the acoustic loading, resulting in
increased low-frequency efficiency (at slightly above box
tuning) and reduced distortion compared to conventional
direct-radiating designs. These bass systems are part of
the Xi-A series and are intended for high-level sound
reinforcement for fixed-installation and touring-sound
applications. The Xi-2181A(F) enclosure is constructed of
18-mm, 13-ply, birch plywood and is available in a black
textured-paint finish. The flying system includes four full-
track flying points (two on the top and two on the bottom).
Both flying (Xi-2181AF) and non-flying (Xi-2181A) versions
are available. The Xi-2181A(F) loudspeaker system is an
ideal choice for any professional installation or regional
touring application where accurate low-frequency sound
reproduction at high sound-pressure levels is required.
The Xi-2181A(F) with Dx38 Digital Signal Processor create
the ideal solution to subwoofer applications where high
acoustic power is required from 41 Hz to 210 Hz. The Xi-
2181A(F) is designed specifically to be used in conjunction
with the full-range Xi-A systems (such as Xi-1122A/85, Xi-
1152A/64 & /94, Xi-1123A/106, Xi-2123A/106, Xi-1153A/64,
Xi-1183A/64, Xi-2153A/64, Xi-1122MHA/64 and Xi-
2122MHA/42).
Xi-2181A, Xi-2181AF
Dual 18-Inch Manifolded Bass
Sound Reinforcement System
Key Features:
• Dual EVX-180B 18” Low-Frequency Drivers:
Excellent Linear Excursion,SuperiorThermal
Capability
• Available Flying (Xi-2181AF) and Non-Flying
(Xi-2181A)Versions
• Ring-Mode Decoupling / RMDTM
• Built-In L-Track Rigging
• Available in Black orWhite
• Footprint Identical to Xi-1153A, Xi-1183A,
Xi-2153A,Xi-1191A,Xi-2122MHAand
Xi-1122MHA

U.S.A. and Canada only. For customer orders, contact Customer Service at:
800/392-3497 Fax: [phone]
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:[phone], Fax: [phone]
www.electrovoice.com
© Telex Communications, Inc. 8/2004
Part Number 38110-279 Rev. A
Architectural & Engineering Specs:
Dimension Drawings (Flying Version Shown):
Impedance:Frequency Response (Full & Half Space):
This Xi Loudspeaker should be suspended overhead only in accordance with the procedures and limitations specified in the
X-Array Xi Install Flying Manual and possible manual update notices. This system should be suspended with certified rigging
hardware by an authorized rigging professional and in compliance with local, state, and federal overhead suspension ordinances.
CAUTION
PerformanceMatch
• P3000 (RL) • CPS2.8 • Dx38
• P1200 (RL) • CPS2.11
Wiring/Connection Chart:
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The loudspeaker system shall be a dual driver, manifolded, vented-box low-frequency system. The loudspeaker system shall have
two (2) 18-inch low-frequency woofers. The woofers shall have 8-ohm, 4-inch-diameter voice coils constructed of aluminum wire,
which shall be capable of handling a 1200-watt shaped pinknoise signal with a 6-dB crest factor for 8 hours (as per ANSI/EIA RS-426A
& AES 2-1984). The loudspeaker system shall have a sensitivity of 102 dB (1 watt at 1 meter). The loudspeaker system shall have an
enclosure constructed of 18-mm, 13-ply birch plywood and shall have a vinyl-clad steel grille. The flying version shall employ flying
hardware of a “track” style and two tracks on the enclosure top and two tracks on the enclosure bottom. The loudspeaker dimensions
shall be 914 mm (36.00 in.) high, by 586 mm (23.07 in.) wide and 759 mm (29.88 in.) deep and shall weigh 83.5 kg (184 lbs).
The loudspeaker shall be the Electro-Voice®Xi-2181A or Xi-2181AF.
Xi-2181APartNumbers
• 1059-3421 - Black
• 1059-3427 - White
Xi-2181AFPartNumbers
• 1059-3420 - Black
• 1059-3428 - White