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2 Year Limited Warranty; Specifications - Peavey ILS 1264 H Specification Sheet

Peavey portable speaker specification sheet
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Frequency Response
This measurement is useful in
determining how accurately a given
unit reproduces an input signal. The
frequency response of the ILS 1264H
is measured at a distance of 1-meter
using a 1 Watt (into the nominal
impedance) swept-sine input signal.
As shown in figure 1, the selected
drivers in the ILS 1264H combine to
give a smooth frequency response
from 63 Hz - 18.5 kHz.
Beamwidth is derived from the
-6 dB points from the polar plots (see
figure 3) which are measured in a
whole space anechoic environment.
Q and Directivity Index are plotted for
the on-axis measurement position.
These are specifications that provide
a reference to the coverage
characteristics of the unit. These
parameters provide insight for proper
placement and installation in the
chosen environment. The blending of
the components of the ILS 1264H
exhibit a desirable beamwidth and
directivity (figure 3 and 4) suitable for
sound reinforcement applications.
Power Handling
There are many different
approaches to power handling ratings.
Peavey rates this loudspeaker
system's power handling using a full-
range form of the AES Standard
2-1984. Using audio band 20 Hz to
20 kHz pink noise with peaks of four
times the RMS level, this strenuous
test signal assures the user that every
portion of this system can withstand
today's high technology music. This
rating is contingent upon having a
minimum of 3 dB of amplifier
headroom available.
Harmonic Distortion
Second and third harmonic
distortions vs. frequency are plotted
in figures 5 and 6 for two power
levels, ten percent (10%) of rated
input power and either one percent
(1%) of rated input power or one watt,
whichever is greater. Distortion is read
from the graph as the difference
between the fundamental signal
(frequency response) and the desired
harmonic. As an example, a distortion
curve that is down 40 dB from the
fundamental is equivalent to 1%
Caution: Before attempting to
suspend this speaker, consult a
certified structural engineer. Speaker
can fall from improper suspension,
resulting in serious injury and property
damage. Other enclosures may be
suspended below one ILS 1264H.
However, the combined weight of
additional enclosures and all cables,
clamps and other hardware must not
exceed 320 pounds. The ILS 1264H
weighs 80 pounds and the maximum
combined weight suspended from the
uppermost mounting bracket
assemblies must not exceed 400
pounds. Maximum enclosure angle is
. Use only the correct mating
hardware. All associated rigging is the
responsibility of others.
Architectural and Engineering


The loudspeaker system shall
have an operating bandwidth of 63 Hz
- 18.5 kHz. The nominal output level
shall be 96.0 dB when measured at a
distance of one meter with an input of
one Watt. The nominal impedance
shall be 8.0 Ohms. The maximum
continuous power handling shall be
700 Watts, maximum program power
of 1,400 Watts and a peak power
input of at least 2,800 Watts, with a
minimum amplifier headroom of 3 dB.
The nominal radiation geometry shall
be 60 degrees in the horizontal plane
and 40 degrees in the vertical plane.
The outside dimensions shall be
17.50 inches high by 30.75 inches
wide by 17.50 inches deep. The
weight shall be 80 pounds. The
loudspeaker system shall be an
Architectural Acoustics model ILS
NOTE: For details, refer to the
warranty statement. Copies of
this statement may be obtained
by contacting Peavey Electronics
Corporation, P.O. Box 2898, Meridian,
Mississippi 39301-2898.



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