Knowles, industry leader in BA design and production, teaches us about IEM design & tuning

Andrew Bellavia (Twitter) of Knowles Corporation gave a talk at AES@NAMM 2018 last month on the 27th of January and went into depth about the acoustic science behind in-ear monitors and multiple balanced armature acoustic design. https://vimeo.com/253957119 Even if you're not a technically-inclined person, the talk is a great listen with just the right amount of …

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Gojira! Or, how the DUNU DN-2000J changed my mind about hybrid IEMs

911? Meet Godzilla. That, was the consensus opinion back in 2007, when Nissan unleashed the GT-R on the world. "Godzilla" was going to take down the de facto standard in luxury sports cars, the Porsche 911 Turbo. The GT-R also had four wheel drive, and additionally employed complex computer sorcery to outsmart ground friction. I've …

Rant: Audio-Technica ATH-IM02 vs. ATH-CK90PRO MK2

Editor's Note: Not so much a rant; more bemusement than anything else. Audio-Technica's new series of enthusiast-oriented IEMs was introduced a few months ago (last November) to great fanfare. Other than the 50th Anniversary products (that included the ATH-CK100PRO) released a couple of years ago, it'd been a very long time since the Japanese audio …