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The David Clark 27 - 18220G-05 is an over-the-head aircraft hearing protector headset.
Noise Attenuation Data | ||||||||||
NRR 22 dB |
Frequency (Hz) | 125 | 250 | 500 | 1000 | 2000 | 3000 | 4000 | 6000 | 8000 |
Attenuation (dB) | 22.9 | 26.4 | 26.1 | 31.0 | 31.5 | 33.6 | 35.5 | 35.8 | 35.8 | |
Standard Deviation | 3.8 | 3.5 | 3.7 | 3.7 | 3.3 | 4.2 | 4.7 | 4.9 | 4.3 |
Alternate Models | |
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27 | David Clark Model Number |
General Information | |
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Part # | 18220G-05 |
Manufacturer | David Clark |