Acoustic Partnership Performance
Eastern Acoustic Works
UB12 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 UB12
FREQUENCY RESPONSE
INPUT IMPEDANCE
Q & DIRECTIVITY INDEX (DI)
BEAMWIDTH
Freq
Hor Q
Ver Q
Tot Q
Hor Beamwidth Ver Beamwidth
100
1.2
1.2
1.1
360
360
125
1.1
1
1
360
360
160
1.6
1.5
1.5
360
360
200
1.1
1.2
1.1
360
360
250
1.7
1.7
1.7
360
360
315
1.6
1.6
1.6
360
360
400
1.8
1.9
1.9
360
360
500
2.2
2.4
2.2
360
360
630
2.1
2.2
2.1
360
360
800
2.4
3
2.6
206
173
1000
3.2
4
3.5
191
120
1250
4
4.9
4.3
128
106
1600
4.6
10.2
6.4
120
71
2000
5.2
11.3
7.1
116
51
2500
4.9
7.2
5.8
120
106
3150
3.8
3.9
3.9
137
149
4000
3.1
3.3
3.4
144
146
5000
4.2
3.5
3.3
130
134
6300
6.4
5.6
6
105
115
8000
8.9
10.8
9.7
87
76
10000
11
8.6
9.5
66
77
12500
9.7
8.1
8.8
80
94
16000
18.7
18
18.3
56
55
20000
24.8
18.5
21.4
40
40
Q & BEAMWIDTH BY FREQUENCY
60
80
100
120
100
1000
10000
20000
dB SPL
Frequency (Hz)
UB12 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)
UB12 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)
UB12 Beamwidth vs Frequency
K
B
0
5
10
15
20
20
100
1000
10000
20000
Ohms
Frequency (Hz)
UB12 Full Range Input Impedance (Magnitude)
K
B
