Peavey impulse 1282 Specification Guide

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TM
®
®
IMPULSE
 
1282
Full Range,
Two-Way
Enclosure
Directivity Factor, Q (Mean):
5.9 dB
Directivity Index, D
i
 (Mean):
7.7 dB
Transducer Complement:
One 12" heavy-duty woofer
One 22XT
 driver coupled with a CH
®
 3
constant-directivity horn
Box Tuning Frequency:
48 Hz
Harmonic Distortion:
1/100 rated power
2nd harmonic:
100 Hz:   0.6%
1 kHz:     1%
3rd harmonic:
100 Hz:   0.7%
1 kHz:     1%
1/10 rated power
2nd harmonic:
100 Hz:   2%
1 kHz:     1%
3rd harmonic:
100 Hz:   3.2%
1 kHz:     1.6%
Recommended Active Crossover
Frequency and Slope:
    
800 Hz minimum at 18 dB/octave
Time Offset:
   
0.37 mS (delay Lows)
Impedance (Z):
Full Range Nominal:
8
Ω
Full Range Minimum:
6.1
Ω
Lows Nominal:
8
Ω
Highs Minimum:
8
Ω
Input Connections:
Full Range:  2-position terminal barrier
strip
Bi-amp:  4-position terminal barrier strip
(barrier strips accept up to 10 ga. wire)
Enclosure Materials & Finish:
Painted finish (illustrated):
3/4", 7-ply Poplar faced high-density,
plywood finished with grey polyurethane
finish
Natural finish:
18 mm, 13-ply Baltic Birch, void-free
plywood (ready for finish of user’s
choice)
SPECIFICATIONS
Bi-amp High:
40 W continuous (17.9 V RMS)
80 W program
160 W peak
Sensitivity, 1 watt 1 meter in
anechoic environment:
Full Range:
98 dB SPL
Bi-amp Low:
98 dB SPL
Bi-amp High:
106 dB SPL
Maximum Sound Pressure Level:
Full Range:
120 dB SPL (continuous)
126 dB SPL (peak)
Bi-amp Low:
120 dB SPL (continuous)
126 dB SPL (peak)
Bi-amp High:
118 dB SPL (continuous)
124 dB SPL (peak)
Radiation Angle Measured at -6 dB
Point of Polar Response:
500 Hz to 1.6 kHz:
Horizontal:
   103
°
 
±
16
°
Vertical:
   90
°
 
±
27
°
1.6 kHz to 5 kHz:
Horizontal:
   81
°
 
±
7
°
Vertical:
   76
°
 
±
22
°
5 kHz to 16 kHz:
Horizontal:
   88
°
 
±
7
°
Vertical:
   50
°
 
±
3
°
Frequency Response, 1 Meter, On-
Axis, Swept Sine in Anechoic
Environment:
60 Hz to 18 kHz
Low-Frequency Cut-Off (-3 dB point):
60 Hz
Usable Low-Frequency Limit (-10 dB
point):
48 Hz
Power Handling:
Full Range:
150 W continuous (34.6 V RMS)
300 W program
600 W peak
Bi-amp Low:
150 W continuous (34.6 V RMS)
300 W program
600 W peak
part number 00332250 eyebolts optional