Fresh From the Bench: Audio Precision AECM206 Headphone Test Fixture

For engineers developing and evaluating headphones, Audio Precision (AP) released this new headphone test solution, a competitively priced IEC 60318-4-compliant accessory that simplifies earbud and headphone measurements in both lab and production environments. Stuart Yaniger puts the AECM206 unit to the test. This article was originally published in audioXpress, April 2018.

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.

audioXpress March 2016 issue focused on Test and Measurement and featured an exclusive review of a new very important device for the audio industry. In this article, Mike Klasco discusses the new G.R.A.S. 43BB Low-Noise Ear Simulator, which enables to test headphones, earphones, and hearing aid devices with an extended bandwidth, up to 20 kHz. This is an industry first and the new G.R.A.S. 43BB solution will be of great interest globally.