Summary of Contents for Etymotic Research Isolator ER-6
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In 1985, while consulting with the Chicago Symphony Orchestra, Mead Killion, Ph.D., president and founder of Etymotic Research, concluded that there was a real need for Carlson’s earplugs. UNPROTECTED EAR 15 dB Open ear response of the average ear measured in a diffuse field or reverberant room.
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* ER-9 buttons are not available in red or blue. Etymotic Research manufactures and tests each button for proper resistance and compliance values before they are shipped to earmold laboratories. Earmold labs that are authorized by ER to make Musicians Earplugs are required to use an acoustic mass meter to verify that Musicians Earplugs have the correct volume of air in the sound bore to produce flat attenuation.
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“oo” or “ee” while the impression is setting. Open-jaw impressions are also an option. How can the occlusion effect be measured? Etymotic Research produces a hand-held Occlusion Effect Meter which quickly quantifies the occlustion effect and earmold leakage. This information can reduce the need for remakes.
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