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Over-the-Head Style (OTH)
NRR | NOISE ATTENUATION DATA - MODEL H3432 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Frequency (Hz) | 125 | 250 | 500 | 1000 | 2000 | 3000 | 4000 | 6000 | 8000 | |
Attenuation (dB) | 16.6 | 20.7 | 27.4 | 33 | 30.5 | 36.2 | 38.1 | 36.6 | 36.6 | |
Standard Deviation | 2.6 | 2.5 | 2.5 | 2.6 | 3.1 | 3.5 | 3.7 | 3.7 | 3.6 |