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3rd Harmonic:
100 Hz: 0.27%
1 kHz: 0.51%
10% rated power
2nd Harmonic:
100 Hz: 6.58%
1 kHz: 0.87%
3rd Harmonic:
100 Hz: 1.14%
1 kHz: 0.78%
Crossover Frequency (internal
passive): Low Frequency - High
Frequency:
1,600 Hz
Time Offset:
Low Frequency: 0.00 ms
High Frequency: 0.74 ms
Impedance (Z):
Full Range:
Nominal: 8.0 Ω
Minimum: 7.6 Ω
Low Frequency:
Nominal: 8.0 Ω
Minimum: 7.8 Ω
High Frequency:
Nominal: 8.0 Ω
Minimum: 7.9 Ω
Input Connections:
2x Neutrik
®
Speakon
®
NL4MD and
1x five-position barrier strip
Enclosure Materials and Finish:
3/4 in. Poplar Plywood Finished in
Exterior Grade Hardened Black
Paint
Mounting Provisions:
(12) 3/8"-16 threaded mounting
suspension points (three each top
and bottom and two each sides
and back). Use only forged
shoulder machinery eye bolt, Mil
Spec MIL51937-3.
Dimensions (H x W x D):
Front:
33.75 in. x 19.38 in. x 21.75 in.
857 mm x 492 mm x 552 mm
Rear:
33.75 in. x 8.63 in. x 21.75 in.
857 mm x 219 mm x 552 mm
Net Weight:
96 lbs. (43.6 kg)
2
20 50 100 200 500 1k 2k 5k 10k 20k
Frequency (Hz)
60
70
80
90
100
110
dB SPL (re 20 Pa)
Amplitude Response (1W 1m On-Axis)
Figure 1
20 50 100 200 500 1k 2k 5k 10k 20k
Frequency (Hz)
30
40
60
80
100
140
180
300
360
Beamwidth (Degrees)
Beamwidth
Vertical
Horizontal
Figure 3b - ILS 1564 H
20 50 100 200 500 1k 2k 5k 10k 20k
Frequency (Hz)
30
40
60
80
100
140
180
300
360
Beamwidth (Degrees)
Beamwidth
Vertical
Horizontal
Figure 3a - ILS 1564 V
20 50 100 200 500 1k 2k 5k 10k 20k
Frequency (Hz)
1
2
3
5
10
20
30
50
100
Impedance
Z
(
)
Figure 2