1 Article found
G.R.A.S. Sound & Vibration A/S Articles
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Two Modified IEC 60318-4 Ear Simulators for Extended Dynamic Range
The international standard IEC 60318-4 specifies an occluded ear simulator, often referred to as a 711-coupler, for testing headphones, earphones, hearing protectors, hearing aids etc. The standard specifies a specific microphone type which limits ...