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(Normative) – ISO R-40 Frequencies
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| Page | 7/9 | | Date | 06.08.2017 | | Size | 0.58 Mb. | | #27242 |
| (Normative) – ISO R-40 Frequencies
Table C.1 – ISO R-40, ISO R-10,1/12th Octave and 1/3rd Octave Frequencies
R40 Preferred
Frequencies, Hz.
|
1/12 Oct. Band
Center Freq, Hz.
|
1/3 Oct. Band
Center Freq, Hz.
|
R10 Preferred
Frequencies, Hz.
|
90
|
|
|
|
91.73
|
100.00
|
|
|
100
|
95
|
|
97.16
|
100
|
|
102.92
|
|
106
|
|
109.02
|
112
|
|
115.48
|
125.89
|
125
|
118
|
|
122.32
|
125
|
|
129.57
|
|
132
|
|
137.25
|
140
|
|
145.38
|
158.49
|
160
|
150
|
|
153.99
|
160
|
|
163.12
|
|
170
|
|
172.78
|
180
|
|
183.02
|
199.53
|
200
|
190
|
|
193.87
|
200
|
|
205.35
|
|
212
|
|
217.52
|
224
|
|
230.41
|
251.19
|
250
|
236
|
|
244.06
|
250
|
|
258.52
|
|
265
|
|
273.84
|
280
|
|
290.07
|
316.23
|
315
|
300
|
|
307.26
|
315
|
|
325.46
|
|
335
|
|
344.75
|
355
|
|
365.17
|
398.11
|
400
|
375
|
|
386.81
|
400
|
|
409.73
|
|
425
|
|
434.01
|
450
|
|
459.73
|
501.19
|
500
|
475
|
|
486.97
|
500
|
|
515.82
|
|
530
|
|
546.39
|
560
|
|
578.76
|
630.96
|
630
|
600
|
|
613.06
|
630
|
|
649.38
|
|
670
|
|
687.86
|
710
|
|
728.62
|
794.33
|
800
|
750
|
|
771.79
|
800
|
|
817.52
|
|
850
|
|
865.96
|
900
|
|
917.28
|
1000.00
|
1000
|
950
|
|
971.63
|
1000
|
|
1029.20
|
|
1060
|
|
1090.18
|
1120
|
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Table C.2 – ISO R-40, ISO R-10,1/12th Octave and 1/3rd Octave Frequencies (Continued)
R40 Preferred
Frequencies, Hz.
|
1/12 Oct. Band
Center Freq, Hz.
|
1/3 Oct. Band
Center Freq, Hz
|
R10 Preferred
Frequencies, Hz.
|
1120
|
|
|
|
1154.78
|
1258.93
|
|
|
1250
|
1180
|
|
1223.21
|
1250
|
|
1295.69
|
|
1320
|
|
1372.46
|
1400
|
|
1453.78
|
1584.89
|
1600
|
1500
|
|
1539.93
|
1600
|
|
1631.17
|
|
1700
|
|
1727.83
|
1800
|
|
1830.21
|
1995.26
|
2000
|
1900
|
|
1938.65
|
2000
|
|
2053.53
|
|
2120
|
|
2175.20
|
2240
|
|
2304.09
|
2511.89
|
2500
|
2360
|
|
2440.62
|
2500
|
|
2585.23
|
|
2650
|
|
2738.42
|
2800
|
|
2900.68
|
3162.28
|
3150
|
3000
|
|
3072.56
|
3150
|
|
3254.62
|
|
3350
|
|
3447.47
|
3550
|
|
3651.74
|
3981.07
|
4000
|
3750
|
|
3868.12
|
4000
|
|
4097.32
|
|
4250
|
|
4340.10
|
4500
|
|
4597.27
|
5011.87
|
5000
|
4750
|
|
4869.68
|
5000
|
|
5158.22
|
|
5300
|
|
5463.87
|
5600
|
|
5787.62
|
6309.57
|
6300
|
6000
|
|
6130.56
|
6300
|
|
6493.82
|
|
6700
|
|
6878.60
|
7100
|
|
7286.18
|
7943.28
|
8000
|
7500
|
|
7717.92
|
8000
|
|
8175.23
|
|
8500
|
|
8659.64
|
9000
|
|
9172.76
|
10000.00
|
10000
|
9500
|
|
9716.28
|
10000
|
|
10292.01
|
|
10600
|
|
10901.84
|
11200
|
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