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

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 stalwart last introduced a entirely new lineup of in-ear products. Continue reading Rant: Audio-Technica ATH-IM02 vs. ATH-CK90PRO MK2

Sonion’s AcuPass Technology: Making Things Easier for Everyone

Disclosure:
All information presented in this article is derived from publicly available documentation.
CYMBACAVUM has not been privy to any confidential industry documents.

In the world of premium earphones, while many manufacturers around the world are able to design and manufacture dynamic, moving coil transducers, the supply of balanced armature technology to earphone manufacturers around the world is essentially a two-horse race between the US-based Knowles Electronics and Netherlands’ Sonion SA.

Continue reading Sonion’s AcuPass Technology: Making Things Easier for Everyone

The Biz: CIEM Companies in China & Hong Kong

There’s no question that China as a country has come into its own as a superpower in recent years. Its economy is vibrant, its people are making money, and it is surreptitiously “catching up” to the West in many sectors of technology — it’s no surprise that the custom in-ear industry is booming there as well.

Already, China is the headphone and earphone capital of the world, with more ODM and OEM plants per capita than any other place. Not only do Shenzhen and its immediate surroundings make cheap $5 earbuds, they’re also primed to model the custom in-ear industry the same way: coalescing technologies, unifying designs, and diversifying branding opportunities. With so much flowing around town — ideas, parts, money — it’s hard to know what’s what!

Continue reading The Biz: CIEM Companies in China & Hong Kong

Balanced Armature Drivers Like You’ve Never Seen Them Before!

Growing up, I was always inspired by the awesome-looking cutaway diagrams in magazines like Popular Mechanics, so I decided to try my own hand at doing something similar…

So, I took the wire frame models used by Knowles Electronics to design their balanced armature components and pictorially enhanced them for your viewing pleasure. See the internal structure of the drivers used to power your favorite IEMs in 3D splendor! Continue reading Balanced Armature Drivers Like You’ve Never Seen Them Before!