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modified form of the AES Standard 2-1984.
Utilizing audio band (20 Hz to 20 kHz) pink
noise with peaks over 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.
The test signal contains large amounts of
very low-frequency energy, effectively
simulating the frequency content of live
music situations. The full measure of high
frequencies in the test signal allow for
exposure of the speaker system to synthe-
size tones that may extend beyond audibility.
This rating is contingent on having a
minimum 3 dB of amplifier headroom
available.
HARMONIC DISTORTION
Second and third harmonic distortion vs.
frequency are plotted in Figures 5 and 6 for
two power levels. One tenth rated input
power and one hundredth rated input power.
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% distortion.
MOUNTING:
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 Impulse 1282.
However, the combined weight of additional
enclosures and all cables, clamps, and other
hardware must not exceed 147 lbs. The
Impulse 1282 weighs 54 pounds and the
maximum combined weight suspended from
the uppermost mounting bracket assemblies
must not exceed 200 pounds. Maximum
enclosure angle is 45 . Use only 1/2" forged
shoulder machinery eyebolt, mil spec.
MS51937-5, Peavey part number 00332250.
All associated rigging is the responsibility of
others.
ARCHITECTURAL
& ENGINEERING
SPECIFICATIONS
The loudspeaker system shall have an
operating bandwidth of 60 Hz to 18 kHz. The
nominal output level shall be 98 dB (full
range), 98 dB (bi-amp) when measured at a
distance of one meter with an input of one
watt. The nominal impedance shall be 8
ohms (full range), 8 ohms (bi-amp). The
maximum continuous power handling shall
be 150 watts (full range), 150 watts (bi-amp),
and maximum program power of 300 watts
(full range), 300 watts (bi-amp), with a
minimum amplifier headroom of 3 dB. The
nominal radiation geometry shall be 45 in
the horizontal plane and 90 in the vertical
plane. The outside dimensions shall be 23
inches wide by 16.5 inches high by 13.3
inches deep, with a rear width of 16.5
inches. The weight shall be 54 lbs. The
loudspeaker system shall be a Peavey
model Impulse™ 1282.
6.0 dB
0.0 dB
-6.0 dB
-12.0 dB
-18.0 dB
-24.0 dB
-30.0 dB
-36.0 dB
-42.0 dB
-48.0 dB
-54.0 dB
20
50
100
= 2nd Harm.
6.0 dB
6.0 dB
0.0 dB
0.0 dB
-6.0 dB
-6.0 dB
-12.0 dB
-12.0 dB
-18.0 dB
-18.0 dB
-24.0 dB
-24.0 dB
-30.0 dB
-30.0 dB
-36.0 dB
-36.0 dB
-42.0 dB
-42.0 dB
-48.0 dB
-48.0 dB
-54.0 dB
-54.0 dB
20
50
100
= 2nd Harm.
Peavey Electronics Corporation warrants to the original purchaser of this new
Architectural Acoustics product that it is free from defects in material and workmanship.
If within one (1) year from date of purchase a properly installed product proves to be
defective and Peavey is notified, Peavey will repair or replace it at no charge. (Note:
Batteries and patch cords not covered.) "Original purchaser" means the customer for
whom the product is originally installed.
Damage resulting from improper installation, interconnection of a unit or system of
another manufacturer, accident or unreasonable use, neglect or any other cause not
arising from defects in material and workmanship is not covered by this warranty. The
warranty is valid only as to products purchased and installed in the United States.
THIS LIMITED WARRANTY IS IN LIEU OF ANY AND ALL WARRANTIES, EXPRESSED
OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR USE. UNDER NO CIRCUMSTANCES WILL PEAVEY BE
LIABLE FOR ANY LOST PROFITS, LOST SAVINGS, INCIDENTAL DAMAGES OR CONSE-
QUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PRODUCT,
EVEN IF PEAVEY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. THIS
LIMITED WARRANTY IS THE ONLY EXPRESSED WARRANTY ON THIS PRODUCT, AND
NO OTHER STATEMENT, REPRESENTATION, WARRANTY, OR AGREEMENT BY ANY
PERSON SHALL BE VALID OR BINDING UPON PEAVEY.
Peavey's liability to the original purchaser for damages for any cause whatsoever and
regardless of the form of action is limited to the actual damages up to the greater of Five
Hundred Dollars ($500) or an amount equal to the purchase price of the product that
caused the damage or that is the subject of or is directly related to the cause of action. This
limitation of liability will not apply to claims for personal injury or damage to real property
or tangible personal property allegedly caused by Peavey's negligence. For information
on service under this warranty, call a Peavey customer service representative at
(601) 483-5376.
3
2nd & 3rd Harm. (1/10 Power)
200
500
1K
2nd & 3rd Harm. (1/100 Power)
200
500
1K
LIMITED WARRANTY
Fig. 5
2K
5K
10K
20K
= 3rd Harm.
Fig. 6
2K
5K
10K
20K
= 3rd Harm.
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