
Hand-held Analyzer Type 2250 –
Instruction Manual
86
Table A.30 Directional response for Microphone Type 4189 only, with Windscreen UA 1650 fitted, 500 Hz – 3550
Hz.
Frequency
Angle 500 Hz 630 Hz 800 Hz 1000 Hz 1250Hz 1600 Hz 2000 Hz 2240 Hz 2500 Hz 2800 Hz 3150Hz 3550 Hz
0° 0.00 –0.03 –0.01 –0.01 0.00 0.00 –0.01 –0.01 –0.01 –0.02 –0.01 –0.02
5° 0.02 0.00 –0.02 –0.02 –0.01 0.00 –0.01 –0.02 –0.02 –0.02 –0.01 –0.02
10° –0.01 0.00 –0.01 –0.02 –0.02 –0.01 –0.01 –0.02 –0.02 –0.03 –0.02 –0.02
15° 0.02 0.02 –0.02 –0.03 –0.02 –0.01 –0.02 –0.03 –0.04 –0.05 –0.04 –0.04
20° 0.04 –0.02 –0.01 –0.02 –0.04 –0.03 –0.04 –0.05 –0.07 –0.08 –0.07 –0.08
25° 0.01 –0.01 –0.02 –0.04 –0.06 –0.05 –0.06 –0.06 –0.10 –0.13 –0.11 –0.11
30° 0.05 –0.03 –0.04 –0.05 –0.07 –0.07 –0.08 –0.08 –0.13 –0.17 –0.15 –0.15
35° –0.04 0.00 –0.04 –0.06 –0.10 –0.09 –0.11 –0.10 –0.17 –0.21 –0.20 –0.19
40° 0.00 –0.04 –0.06 –0.06 –0.11 –0.13 –0.15 –0.12 –0.21 –0.26 –0.27 –0.24
45° –0.03 –0.04 –0.07 –0.08 –0.13 –0.16 –0.19 –0.15 –0.24 –0.31 –0.34 –0.30
50° –0.03 –0.04 –0.08 –0.09 –0.16 –0.20 –0.24 –0.19 –0.28 –0.37 –0.40 –0.38
55° 0.00 –0.08 –0.10 –0.10 –0.18 –0.25 –0.28 –0.25 –0.31 –0.43 –0.47 –0.47
60° –0.03 –0.07 –0.10 –0.12 –0.21 –0.28 –0.33 –0.30 –0.36 –0.48 –0.54 –0.54
65° –0.03 –0.08 –0.12 –0.14 –0.22 –0.33 –0.38 –0.35 –0.40 –0.52 –0.62 –0.60
70° –0.01 –0.09 –0.13 –0.16 –0.25 –0.36 –0.43 –0.40 –0.47 –0.56 –0.69 –0.69
75° –0.04 –0.10 –0.14 –0.17 –0.28 –0.40 –0.50 –0.45 –0.53 –0.61 –0.74 –0.78
80° –0.06 –0.09 –0.13 –0.18 –0.30 –0.43 –0.55 –0.51 –0.58 –0.66 –0.78 –0.85
85° –0.05 –0.11 –0.15 –0.21 –0.32 –0.46 –0.61 –0.58 –0.63 –0.72 –0.85 –0.91
90° –0.03 –0.12 –0.16 –0.22 –0.34 –0.49 –0.65 –0.64 –0.70 –0.77 –0.90 –0.98
95° –0.05 –0.12 –0.17 –0.22 –0.35 –0.51 –0.69 –0.69 –0.76 –0.82 –0.94 –1.04
100° –0.12 –0.11 –0.18 –0.24 –0.36 –0.54 –0.72 –0.73 –0.81 –0.88 –0.99 –1.09
105° –0.06 –0.13 –0.18 –0.25 –0.38 –0.56 –0.75 –0.76 –0.85 –0.93 –1.06 –1.14
110° –0.07 –0.13 –0.18 –0.26 –0.38 –0.56 –0.76 –0.78 –0.88 –0.97 –1.10 –1.19
115° –0.09 –0.12 –0.18 –0.25 –0.38 –0.57 –0.78 –0.81 –0.91 –0.99 –1.12 –1.23
120° –0.11 –0.14 –0.19 –0.25 –0.39 –0.57 –0.78 –0.82 –0.94 –1.02 –1.13 –1.24
125° –0.07 –0.14 –0.18 –0.24 –0.39 –0.56 –0.78 –0.81 –0.94 –1.03 –1.16 –1.26
130° –0.08 –0.14 –0.19 –0.25 –0.37 –0.55 –0.77 –0.79 –0.92 –1.02 –1.17 –1.27
135° –0.07 –0.15 –0.18 –0.23 –0.37 –0.53 –0.75 –0.77 –0.89 –0.99 –1.15 –1.25
140° –0.08 –0.14 –0.18 –0.22 –0.36 –0.52 –0.72 –0.73 –0.85 –0.95 –1.10 –1.20
145° –0.02 –0.15 –0.19 –0.23 –0.34 –0.51 –0.68 –0.71 –0.81 –0.90 –1.04 –1.13
150° –0.12 –0.10 –0.16 –0.21 –0.32 –0.48 –0.65 –0.66 –0.76 –0.84 –0.96 –1.06
155° –0.08 –0.12 –0.16 –0.21 –0.31 –0.46 –0.61 –0.62 –0.71 –0.78 –0.90 –0.98
160° –0.10 –0.12 –0.16 –0.20 –0.29 –0.44 –0.57 –0.58 –0.66 –0.71 –0.82 –0.89
165° –0.05 –0.13 –0.16 –0.20 –0.28 –0.43 –0.55 –0.55 –0.62 –0.66 –0.76 –0.81
170° –0.06 –0.12 –0.14 –0.20 –0.28 –0.42 –0.54 –0.53 –0.59 –0.62 –0.71 –0.75
175° –0.05 –0.11 –0.14 –0.20 –0.27 –0.42 –0.52 –0.51 –0.57 –0.61 –0.68 –0.71
180° –0.09 –0.10 –0.14 –0.19 –0.28 –0.41 –0.52 –0.50 –0.57 –0.60 –0.67 –0.71
185° –0.07 –0.12 –0.14 –0.19 –0.27 –0.42 –0.52 –0.51 –0.57 –0.61 –0.68 –0.72
190° –0.09 –0.11 –0.15 –0.19 –0.28 –0.42 –0.54 –0.52 –0.59 –0.63 –0.71 –0.76
195° –0.09 –0.12 –0.16 –0.20 –0.29 –0.43 –0.56 –0.55 –0.62 –0.66 –0.76 –0.82
200° –0.09 –0.11 –0.15 –0.20 –0.29 –0.45 –0.58 –0.58 –0.66 –0.71 –0.82 –0.90
205° –0.09 –0.12 –0.16 –0.20 –0.30 –0.47 –0.61 –0.62 –0.71 –0.77 –0.90 –0.98
210° –0.11 –0.13 –0.16 –0.20 –0.32 –0.49 –0.64 –0.67 –0.75 –0.84 –0.97 –1.07
215° –0.06 –0.11 –0.17 –0.22 –0.33 –0.50 –0.68 –0.70 –0.79 –0.90 –1.04 –1.17
220° –0.07 –0.15 –0.16 –0.21 –0.35 –0.52 –0.71 –0.74 –0.84 –0.96 –1.10 –1.24
225° –0.08 –0.13 –0.17 –0.22 –0.36 –0.54 –0.74 –0.77 –0.88 –1.01 –1.16 –1.29
230° –0.25 –0.06 –0.18 –0.23 –0.38 –0.55 –0.76 –0.80 –0.91 –1.03 –1.18 –1.30
235° –0.07 –0.13 –0.18 –0.24 –0.38 –0.56 –0.78 –0.82 –0.94 –1.04 –1.18 –1.29
240° –0.05 –0.14 –0.19 –0.23 –0.39 –0.57 –0.79 –0.81 –0.94 –1.02 –1.17 –1.28
245° –0.05 –0.16 –0.17 –0.23 –0.39 –0.57 –0.79 –0.80 –0.92 –1.01 –1.15 –1.26
250° –0.05 –0.15 –0.16 –0.24 –0.38 –0.57 –0.78 –0.78 –0.90 –0.98 –1.12 –1.21
255° –0.12 –0.09 –0.15 –0.23 –0.37 –0.55 –0.75 –0.76 –0.85 –0.95 –1.06 –1.13
260° –0.04 –0.12 –0.15 –0.22 –0.37 –0.54 –0.72 –0.74 –0.81 –0.89 –0.98 –1.08
265° –0.07 –0.12 –0.16 –0.22 –0.35 –0.52 –0.69 –0.70 –0.76 –0.81 –0.92 –1.03
270° –0.05 –0.12 –0.14 –0.21 –0.33 –0.50 –0.65 –0.64 –0.69 –0.73 –0.88 –0.97
275° –0.02 –0.11 –0.15 –0.19 –0.31 –0.47 –0.61 –0.57 –0.61 –0.67 –0.83 –0.91
280° 0.04 –0.12 –0.13 –0.17 –0.29 –0.44 –0.55 –0.49 –0.54 –0.63 –0.77 –0.87
285° –0.05 –0.09 –0.12 –0.16 –0.27 –0.41 –0.49 –0.43 –0.49 –0.58 –0.72 –0.81
290° –0.03 –0.08 –0.12 –0.13 –0.25 –0.37 –0.42 –0.38 –0.44 –0.54 –0.69 –0.72
295° –0.02 –0.08 –0.10 –0.13 –0.23 –0.33 –0.36 –0.33 –0.39 –0.49 –0.64 –0.62
300° –0.01 –0.07 –0.08 –0.11 –0.20 –0.29 –0.31 –0.27 –0.34 –0.46 –0.56 –0.52
305° –0.01 –0.05 –0.07 –0.08 –0.18 –0.24 –0.26 –0.22 –0.30 –0.42 –0.48 –0.43
310° 0.09 –0.09 –0.08 –0.08 –0.16 –0.20 –0.22 –0.17 –0.27 –0.37 –0.40 –0.34
315° 0.01 –0.04 –0.07 –0.06 –0.13 –0.16 –0.17 –0.13 –0.23 –0.30 –0.32 –0.25
320° 0.00 –0.03 –0.03 –0.04 –0.10 –0.13 –0.13 –0.11 –0.20 –0.25 –0.25 –0.20
325° 0.05 0.00 –0.03 –0.03 –0.08 –0.10 –0.08 –0.08 –0.16 –0.20 –0.18 –0.16
330° 0.06 –0.02 –0.02 –0.02 –0.06 –0.07 –0.05 –0.06 –0.13 –0.14 –0.12 –0.13
335° 0.01 0.01 –0.01 0.00 –0.04 –0.04 –0.03 –0.04 –0.08 –0.09 –0.07 –0.09
340° 0.04 0.00 0.00 0.00 –0.02 –0.03 –0.02 –0.03 –0.06 –0.05 –0.03 –0.06
345° 0.04 0.00 0.01 0.02 –0.01 –0.01 0.00 –0.01 –0.03 –0.02 –0.01 –0.02
350° 0.05 0.01 0.01 0.02 0.00 –0.01 0.00 0.00 –0.01 0.00 0.01 0.00
355° 0.03 0.02 0.01 0.02 0.00 0.01 0.02 0.01 0.00 0.01 0.02 0.02
BE171211.book Page 86 Thursday, May 27, 2004 1:01 PM
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