earplug modification

Modification of Musicians’ Earplugs: The Romance Continues…

This is a continuation of a previous post where the romantic nature of Musicians’ earplugs and a neat equation was introduced…. Musicians’ earplugs have been in use since 1988 when they were first introduced. An invention of Elmer Carlson (of twin tube fame), they were first commercialized and marketed by Etymotic Research (now Lucid Audio),…

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