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Microphones
BK4936 microphone using windscreen and remote preamp (Figures/Tables “I”)
Table I.8- Pressure field to free field
| BK 4936 |
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| |
Frequency | Correction |
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in Hz | in dB |
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1250.04
2500.00
1000 | 0.19 |
2000 | 0.67 |
4000 | 1.80 |
Table I.9- Pressure field to random incidence
| BK 4936 |
|
|
| |
Frequency | Correction |
|
in Hz | in dB |
|
1250.05
2500.00
1000 | 0.21 |
2000 | 0.59 |
4000 | 1.10 |
Self Generated Noise
Table I.10-Broadband
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| SPL |
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| LEQ |
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| Fast Response |
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| Range |
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| (dB) | A Weighting | C Weighting | Z Weighting | A Weighting | C Weighting | Z Weighting | |
| 22.9 | 30.1 | 37.4 | 22.8 | 30.1 | 37.0 | ||
| 22.8 | 29.8 | 37.1 | 22.8 | 30.3 | 37.2 | ||
| 0 to 90 | 22.8 | 30.2 | 36.6 | 22.8 | 30.2 | 37.3 | |
| 10 to 100 | 22.8 | 30.0 | 36.6 | 22.8 | 30.2 | 37.6 | |
| 20 to 110 | 23.3 | 30.3 | 36.5 | 23.3 | 30.5 | 37.5 | |
| 30 to 120 | 26.2 | 31.4 | 36.8 | 26.2 | 31.1 | 37.1 | |
| 40 to 130 | 33.3 | 34.4 | 38.2 | 33.4 | 34.6 | 38.9 | |
| 50 to 140 | 42.1 | 42.1 | 43.1 | 42.1 | 42.2 | 42.8 | |
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| Slow Response |
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| Range |
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| (dB) | A Weighting | C Weighting | Z Weighting | A Weighting | C Weighting | Z Weighting | |
| 22.8 | 30.3 | 37.4 | 22.8 | 30.3 | 37.7 | ||
| 22.8 | 30.3 | 37.4 | 22.7 | 30.3 | 37.7 | ||
| 0 to 90 | 22.8 | 30.2 | 37.5 | 22.8 | 30.2 | 37.5 | |
| 10 to 100 | 22.8 | 30.2 | 37.9 | 22.7 | 30.2 | 37.6 | |
| 20 to 110 | 23.3 | 30.2 | 37.5 | 23.3 | 30.3 | 37.3 | |
| 30 to 120 | 26.2 | 31.0 | 37.6 | 26.2 | 31.0 | 37.9 | |
| 40 to 130 | 33.4 | 34.6 | 38.6 | 33.4 | 34.6 | 38.5 | |
| 50 to 140 | 42.2 | 42.1 | 43.0 | 42.2 | 42.1 | 42.9 |
SoundPro models SE and DL Data Addendum