Acoustic Performance Partnership Eastern Acoustic Works KF852 Page 3
One Main Street, Whitinsville MA, 01524 USA • Phone 508/234-6158 • Toll Free 800/992-5013 • Fax 508/234-8251 • BBS 800/889-2540
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Performance Data KF852E
DISTORTIONFREQUENCY RESPONSE
Q & DIRECTIVITY INDEX (DI)
BEAMWIDTH
60
80
100
120
100 1000 10000 20000
dB SPL
Frequency (Hz)
KF852E with MX800i-852E Axial Response
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)
KF852E with MX800i-852E Q and Directivity
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)
KF852E with MX800i-852E Beamwidth vs Frequency
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
KF852E with MX800i-852E Harmonic Content
K
B
Freq Hor Q Ver Q Tot Q Hor Beamwidth Ver Beamwidth
100 1.8 2 1.8 360 360
125 1.9 2.6 2.2 360 360
160 3.3 4.3 3.6 160 127
200 2.7 4.1 3.3 189 124
250 4.2 7.2 5.2 130 90
315 4.6 7.6 5.7 119 82
400 6.4 9 7.3 98 48
500 8.4 10 9.1 83 38
630 12.1 14.4 13.1 67 58
800 13.3 22.1 16.6 57 26
1000 12 23.5 15.9 69 25
1250 11 19.1 14 79 27
1600 7.9 12.4 9.9 81 69
2000 9.1 14.2 12.6 67 56
2500 10 21.3 16.8 58 45
3150 14.3 28.9 19.2 61 38
4000 23.3 33.3 27.4 51 36
5000 25.3 41.6 31.5 49 32
6300 23.1 50.4 31.7 53 28
8000 22.1 45.4 29.7 51 30
10000 16 44.1 26.4 56 34
12500 15 30.3 20.3 60 38
16000 14.8 37.2 20.3 63 34
20000 36.6 35.7 36.2 43 36
Q & BEAMWIDTH BY FREQUENCY
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