For more information, call Western Safety Products at 206-264-0808 or email sales@westernsafety.com.
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| Frequency in Hz |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean (dB) Attenuation |
20.7 | 25.2 | 36.2 | 43.4 | 36.0 | 35.3 | 37.3 | 36.0 | 36.3 |
| Standard Deviation |
2.5 | 1.9 | 2.5 | 2.4 | 2.0 | 1.9 | 2.0 | 1.5 | 2.2 |
| NRR = 29 dB | |||||||||
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| Frequency in Hz |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean (dB) Attenuation |
18.0 | 23.8 | 33.4 | 40.6 | 35.5 | 35.6 | 37.1 | 36.6 | 36.4 |
| Standard Deviation |
2.5 | 2.0 | 3.3 | 3.4 | 2.2 | 2.5 | 2.4 | 1.9 | 2.4 |
| NRR = 27 dB | |||||||||
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| Frequency in Hz |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean (dB) Attenuation |
15.4 | 20.7 | 29.3 | 37.3 | 34.1 | 36.5 | 39.6 | 41.6 | 39.0 |
| Standard Deviation |
2.1 | 2.1 | 2.4 | 3.7 | 2.3 | 3.8 | 3.5 | 3.6 | 3.3 |
| NRR = 25 dB | |||||||||
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| Frequency in Hz |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean (dB) Attenuation |
14.2 | 19.3 | 28.3 | 34.6 | 33.8 | 26.9 | 37.1 | 35.8 | 36.0 |
| Standard Deviation |
2.6 | 2.3 | 2.1 | 2.8 | 3.1 | 2.0 | 3.1 | 2.7 | 3.4 |
| NRR = 23 dB | |||||||||
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Approved, recommended and used extensively by the United States Air Force since 1994. The Sound Shield is the highest rated three position earmuff you can buy. Tested at the NVLAP-Accredited laboratory of Michael & Associates in State College, Pennsylvania.
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| Frequency in Hz |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean (dB) Attenuation |
19.0 | 25.6 | 36.6 | 43.2 | 36.5 | 35.1 | 36.9 | 36.6 | 36.4 |
| Standard Deviation |
2.0 | 2.1 | 2.2 | 2.7 | 2.0 | 2.0 | 1.9 | 3.1 | 1.9 |
| NRR = 29 dB Over the Head | |||||||||
| Mean (dB) Attenuation |
19.6 | 26.1 | 36.0 | 41.7 | 37.2 | 36.9 | 38.3 | 36.3 | 37.0 |
| Standard Deviation |
2.5 | 2.6 | 1.8 | 2.6 | 3.4 | 3.8 | 2.2 | 2.3 | 3.0 |
| NRR = 28 dB Behind the Head | |||||||||
| Mean (dB) Attenuation |
19.5 | 26.8 | 35.7 | 41.9 | 36.7 | 35.9 | 37.9 | 36.2 | 36.3 |
| Standard Deviation |
2.8 | 2.8 | 2.4 | 3.1 | 2.7 | 3.1 | 2.6 | 3.1 | 2.6 |
| NRR = 28 dB Under the Chin | |||||||||
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The Black Hawk is Tasco's new high performance, high quality economy three position earmuff. This lightweight and comfortable earmuff features our exclusive Soft-Seal ear cushions and new foam head pad.
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| Frequency in Hz |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean (dB) Attenuation |
19.0 | 23.8 | 33.7 | 39.7 | 36.2 | 35.4 | 35.2 | 35.0 | 36.1 |
| Standard Deviation |
2.7 | 1.9 | 3.0 | 2.5 | 2.7 | 1.8 | 2.4 | 2.5 | 2.3 |
| NRR = 27 dB Over the Head | |||||||||
| Mean (dB) Attenuation |
19.6 | 24.0 | 34.3 | 40.2 | 38.1 | 35.1 | 34.0 | 33.9 | 34.4 |
| Standard Deviation |
2.5 | 2.8 | 3.4 | 3.2 | 3.4 | 3.4 | 3.1 | 2.8 | 3.2 |
| NRR = 26 dB Under the Chin | |||||||||
| Mean (dB) Attenuation |
19.5 | 24.1 | 34.0 | 39.6 | 38.2 | 34.2 | 34.4 | 32.4 | 33.0 |
| Standard Deviation |
2.8 | 2.4 | 2.6 | 3.4 | 3.2 | 3.1 | 3.5 | 2.8 | 3.9 |
| NRR = 26 dB Behind the Head | |||||||||
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| Frequency in Hz |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean (dB) Attenuation |
17.6 | 20.4 | 31.5 | 41.2 | 35.1 | 33.4 | 36.3 | 35.4 | 36.9 |
| Standard Deviation |
2.8 | 2.4 | 2.9 | 3.4 | 2.3 | 3.0 | 2.2 | 2.4 | 3.4 |
| NRR = 25 dB Over the Head | |||||||||
| Mean (dB) Attenuation |
15.8 | 19.5 | 29.5 | 37.4 | 35.3 | 38.8 | 40.9 | 38.6 | 39.7 |
| Standard Deviation |
2.2 | 2.7 | 3.3 | 3.6 | 2.9 | 3.5 | 3.5 | 3.3 | 3.3 |
| NRR = 24 dB Behind the Neck | |||||||||
| Mean (dB) Attenuation |
15.7 | 18.6 | 30.7 | 36.8 | 36.3 | 40.4 | 42.5 | 38.2 | 40.5 |
| Standard Deviation |
2.2 | 2.4 | 2.8 | 3.1 | 3.7 | 3.3 | 2.5 | 3.5 | 3.2 |
| NRR = 24 dB Under the Chin | |||||||||
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| Frequency in Hz |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean (dB) Attenuation |
15.0 | 18.4 | 29.0 | 34.8 | 34.5 | 34.8 | 35.8 | 36.7 | 34.8 |
| Standard Deviation |
3.3 | 2.5 | 3.8 | 3.5 | 3.8 | 3.8 | 4.8 | 3.6 | 4.3 |
| NRR = 22 dB Over the Head | |||||||||
| Mean (dB) Attenuation |
12.6 | 14.2 | 23.1 | 31.7 | 30.0 | 30.8 | 32.2 | 32.8 | 35.0 |
| Standard Deviation |
2.0 | 2.0 | 2.5 | 3.3 | 2.1 | 2.3 | 2.9 | 3.1 | 2.4 |
| NRR = 20 dB Behind the Neck | |||||||||
| Mean (dB) Attenuation |
12.7 | 14.9 | 32.5 | 32.0 | 29.7 | 31.1 | 32.6 | 34.0 | 35.2 |
| Standard Deviation |
2.0 | 1.9 | 2.4 | 2.9 | 2.1 | 3.1 | 3.0 | 3.0 | 3.5 |
| NRR = 20 dB Under the Chin | |||||||||
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| Frequency in Hz |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean (dB) Attenuation |
14.0 | 15.8 | 26.6 | 32.6 | 34.8 | 32.9 | 36.0 | 34.7 | 35.8 |
| Standard Deviation |
3.1 | 2.1 | 2.8 | 3.0 | 3.3 | 2.4 | 3.4 | 3.3 | 4.7 |
| NRR = 21 dB Over the Head | |||||||||
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| Frequency in Hz |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean (dB) Attenuation |
15.4 | 18.9 | 28.4 | 34.7 | 33.7 | 29.7 | 34.6 | 34.1 | 33.9 |
| Standard Deviation |
1.6 | 2.7 | 3.0 | 2.5 | 2.4 | 2.3 | 2.7 | 1.8 | 3.2 |
| NRR = 23 dB Behind the Neck | |||||||||
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| Frequency in Hz |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean (dB) Attenuation |
12.3 | 14.0 | 23.3 | 28.8 | 27.3 | 30.8 | 34.1 | 35.3 | 34.1 |
| Standard Deviation |
2.7 | 1.6 | 2.6 | 2.4 | 2.3 | 2.9 | 3.0 | 3.1 | 3.2 |
| NRR = 19 dB Behind the Neck | |||||||||
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| Frequency in Hz |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean (dB) Attenuation |
18.2 | 22.5 | 31.8 | 36.1 | 34.7 | 33.7 | 35.4 | 33.9 | 35.0 |
| Standard Deviation |
2.4 | 2.1 | 2.5 | 2.7 | 2.3 | 2.1 | 2.4 | 2.4 | 2.4 |
| NRR = 26 dB | |||||||||
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| Frequency in Hz |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean (dB) Attenuation |
19.7 | 26.2 | 36.5 | 41.1 | 38.2 | 35.9 | 36.6 | 37.3 | 37.8 |
| Standard Deviation |
2.5 | 2.8 | 1.9 | 3.2 | 2.9 | 2.9 | 2.5 | 2.8 | 2.5 |
| NRR = 28 dB | |||||||||
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| Frequency in Hz |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean (dB) Attenuation |
15.9 | 19.3 | 29.3 | 34.8 | 34.5 | 38.3 | 39.5 | 39.4 | 39.5 |
| Standard Deviation |
2.5 | 2.4 | 2.8 | 2.9 | 2.8 | 2.1 | 3.5 | 3.7 | 3.2 |
| NRR = 24 dB | |||||||||
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| Frequency in Hz |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean (dB) Attenuation |
17.9 | 21.4 | 26.9 | 33.1 | 35.6 | 39.1 | 39.2 | 36.1 | 38.0 |
| Standard Deviation |
2.8 | 2.8 | 2.7 | 3.2 | 2.8 | 3.8 | 3.3 | 2.5 | 3.6 |
| NRR = 24 dB | |||||||||
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| Frequency in Hz |
125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
| Mean (dB) Attenuation |
13.2 | 19.6 | 27.6 | 34.8 | 33.3 | 29.4 | 35.1 | 36.2 | 34.9 |
| Standard Deviation |
3.0 | 2.0 | 3.6 | 1.9 | 2.5 | 2.5 | 3.8 | 3.0 | 3.3 |
| NRR = 22 dB | |||||||||
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