EAW KF853 - Preliminary Product Information; Frequency Response; Distortion; Q & Beamwidth by Frequency

Acoustic Performance Partnership Eastern Acoustic Works KF853 Page 3
One Main Street, Whitinsville MA, 01588 USA • Phone 508/234-6158 • Toll Free 800/992-5013 • Fax 508/234-8251 • BBS 800/889-2540
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PRELIMINARY PRODUCT INFORMATION
Performance Data KF853
DISTORTIONFREQUENCY RESPONSE
Q & DIRECTIVITY INDEX (DI)
BEAMWIDTH
Freq Hor Q Ver Q Tot Q Hor Beamwidth Ver Beamwidth
200 4.6 4.1 4.5 127 130
250 4.8 4.3 4.6 119 126
315 6.2 5.8 6 101 102
400 7.9 8.1 8.1 88 86
500 10.3 11.9 11.1 76 71
630 14 16 15.2 61 52
800 16.3 20.2 18.1 53 49
1000 22.1 38 27.9 49 37
1250 24.1 60.2 34.4 48 20
1600 20.8 25.8 23 48 46
2000 26.9 25.2 26 43 45
2500 29.3 31.4 30.9 38 37
3150 31.2 40.5 35.5 38 30
4000 39.8 53.9 45.9 33 25
5000 41.3 52.2 51.3 33 22
6300 43.9 53.9 54.4 34 23
8000 47.4 86.6 61.3 33 21
10000 47.7 42.1 56.7 32 18
12500 54.3 47.6 54 31 30
16000 41.9 85.3 56.2 36 23
20000 24.7 31.3 33.7 40 18
Q & BEAMWIDTH BY FREQUENCY
80
100
120
140
100 1000 10000 20000
dB SPL
Frequency (Hz)
KF853 Axial Response
Predicted Axial Response at
100 Feet (Normalized to 1 m)
KF853 with Processor Axial Response
K
B
0
20
40
60
80
100
120
140
200 1000 10000
dB SPL
Frequency (Hz)
Fundamental at 1% Power (raised 10 dB)
2nd Harmonic at 1% Power (raised 10 dB)
3rd Harmonic at 1% Power (raised 10 dB)
Fundamental at 10% Power
2nd Harmonic at 10% Power
3rd Harmonic at 10% Power
KF853 (with Processor) Harmonic Content
K
B
0
30
60
90
120
150
180
210
240
270
300
330
360
200 1000 10000
Degrees
Frequency (Hz)
Horizontal Beamwidth (1/3 Octave)
Vertical Beamwidth (1/3 Octave)
KF853 with Processor Beamwidth vs Frequency
K
B
1
10
100
0
2
4
6
8
10
12
14
16
18
20
200 1000 10000
Q
Directivity Index
Frequency (Hz)
Horizontal Q and Directivity (1/3 Octave)
Vertical Q and Directivity (1/3 Octave)
Total Q and Directivity (1/3 Octave)
KF853 with Processor Q and Directivity
K
B