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Xi-2181 Bass System
Xi-2181 Bass System
8
600 Cecil Street, Buchanan, MI 49107
616/695-6831, 616/695-1304 Fax
Specifications
Frequency Response (measured in far
field, with and without crossover and
equalization, calculated to one meter on
axis, swept sine wave, one watt into
system - 2.00 V at 70 Hz, anechoic
environment; see Figure 2):
37-200 Hz
Crossover Frequency:
125 Hz
Efficiency Mid Band:
5.3 %
Maximum Long-Term-Average Power-
Handling Capacity (per ANSI/EIA RS-
426A 1980):
1,200 watts
Maximum Long-Term-Average Mid-
Band Acoustic Output, LF/HF:
64 acoustic watts
Sensitivity (SPL at one meter, indicated
input power, anechoic environment,
average level),
1 watt:
98.5 dB
1,200 watts:
129.3 dB
Beamwidth (angle included by 6-dB-
down points on polar responses,
indicated one-third-octave bands of pink
noise; see Figures 1 and 3),
Horizontal, 63-200 Hz:
240° (+120°, -60°)
Vertical, 63-200 Hz:
300° (+60°, -120°)
Directivity Factor, R
(Q), 63-200 Hz
Average (see Figure 4):
2.2 (+0.8, -0.4)
Directivity Index, D
i
, 63-200 Hz
Average (see Figure 4):
3.4 dB (+1.4 dB, -0.9 dB)
Distortion (115 dB SPL at one meter,
shaped spectrum; see Figure 5),
Second Harmonic,
40 Hz:
1.8%
80 Hz:
0.7%
Third Harmonic,
40 Hz:
0.3%
80 Hz:
0.1%
Transducer Complement,
Two EVX-180B 18-in. woofers
Impedance (see Figure 6),
Nominal:
Two 8-ohm loads
Minimum:
Two 6.0-ohm loads
Input Connections:
Two Neutrik NL8MPR Speakon
®
connectors paralleled
Recommended Amplifier Power, Rating:
800 watts @ 8 ohms
(91-volts rms short term)
Enclosure Construction,
Enclosure Shell:
18-mm, 13-ply birch plywood
Finish:
Black textured paint
Grille:
Powder-coated steel with foam
Rigging:Heavy-duty L-track on top/
bottom which accepts New Haven
NH32102-2 double-stud fittings
Dimensions,
Height:
914 mm (36.00 in.)
Width (front):
584 mm (23.00 in.)
Width (back):
354 mm (13.93 in.)
Depth:
759 mm (29.88 in.)
Angle:
18° wedge
Net Weight:
83.5 kg (184 lb)
Shipping Weight:
91.8 kg (202 lb)
Part Number 535474—9913SPEAKERS—X-Array
TM
©Telex Communications, Inc., 1999 • Litho in U.S.A.