Fresh From the Bench: G.R.A.S. Sound & Vibration RA040X Ear Simulator
Brent Butterworth reviews the new RA040X Ear Simulators from G.R.A.S. Sound & Vibration. Measuring headphone response at frequencies above-10 kHz has been an imprecise, non-standardized process. The new RA040X ear simulator represents part of an effort by G.R.A.S. Sound & Vibration to update headphone measurement equipment to suit the needs of today’s headphone industry, and make the measurements more meaningful. This article was originally published in audioXpress, March 2018.