Ex-IBM engineer builds innovative phono cartridges

Peter Ledermann is one of just a handful of highly skilled people on the planet who designs and hand-builds phono cartridges. These tiny electro-mechanical devices are usually machine made, but Ledermann builds world-class cartridges with his hands and a microscope. His company, Soundsmith, also manufactures speakers and amplifiers, and services vintage Bang & Olufsen and Tandberg products.

Ledermann's resume is impressive: He was the director of Engineering for Bozak, one of America's leading speaker manufacturers in the 1960s. And for 10 years, starting in 1980, he was an IBM senior research engineer and is credited as the primary … Read more

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