3
Features
• 47 Hz to 18.5 kHz bandpass
• 4" diaphragm, 1.6" exit, ferrofluid
equipped high frequency compression
driver
• Patented Quadratic Throat Waveguide
• Carefully tailored directivity patterns
• Flexible suspension provisions
• Robust power handling capabilities
• Passive crossover included
• Biamplified crossover provisions
Applications
• Stadiums
• Arenas
• Multi-purpose facilities
• Cruise ships
• Theme parks
• Houses of worship
• Live music venues
• Hotels meeting rooms
• Conference facilities
• Theaters
• Auditoriums
• Civic centers
• Judicial facilities
• Gymnasiums
• Performing arts centers
Description
The new Peavey ILS 1564V (vertical)
and ILS 1564H (horizontal) Loud-
speaker Systems are two-way, vented
low frequency enclosures using a 15
inch low frequency driver paired with a
60° (horizontal) by 40° (vertical) high
frequency waveguide. The HF section
employs a 1.6 exit/100 mm voice coil
compression driver mounted on one of
Peavey’s revolutionary new Quadratic
Throat Waveguides. In the ILS 1564H
unit, the waveguide is rotated to provide
a corresponding beamwidth which may
be employed in low ceiling type
applications. Both versions of the ILS
1564 have a full range sensitivity of
95 dB SPL – (1 watt/1 meter) and a
maximum output of 130 dB at 1 meter
(full range).
The Peavey ILS 1564 is a high
performance loudspeaker system for
use in demanding sound reinforcement
applications. The robust construction of
the ILS 1564 provides power handling
capacities of 750 w continuous, 1.5 kW
program and 3 kW peak (full range).
The unit may be operated using the
internal 1,600 Hz passive crossover or
20 50 100 200 500 1k 2k 5k 10k 20k
Frequency (Hz)
1
10
100 Q & Directivity Index
Q
Figure 4
20
10
Di
0
20 50 100 200 500 1k 2k 5k 10k 20k
Frequency (Hz)
40
50
60
70
80
90
100
110
dB SPL (re 20 Pa)
Harmonic Distortion : 1% Rated Power
Figure 6 3rd Harmonic
2nd Harmonic
20 50 100 200 500 1k 2k 5k 10k 20k
Frequency (Hz)
50
60
70
80
90
100
110
120
dB SPL (re 20 Pa)
Harmonic Distortion : 10% Rated Power
Figure 5 3rd Harmonic
2nd Harmonic