Nagra Celebrates 70th Anniversary with Limited Edition Turntable

The Swiss company is celebrating its 70th anniversary in style with a limited edition product. The Nagra Reference Anniversary turntable is the product of a major research and development project. And like the original Nagra recorders, the Nagra Reference Anniversary turntable was designed to be cherished by generations. Only 70 units will be available, and each includes “in home” setup and dial-in by Nagra factory specialists. Owners will also be invited for a VIP tour to the Nagra factory.

This article characterizes a cutting-edge product from BDNC, a patented “race track” shaped driver, and the first of its kind to use a glass diaphragm composite made up of two layers of “Schott AS87 Glass” with an internal layer of viscoelastomic damping material and aluminum alloy foil. The motor structure uses two neodymium bar magnets driving a two-layer race track-shaped voice coil wound with round copper wire on an aluminum former. This article was originally published in Voice Coil, June 2021.

This Voice Coil Spotlight article by Aminul Md Mehedi (Senior Application Development Engineer at Carpenter Technology Corp.) explains how the Carpenter-developed high-performance Hiperco 50 and Hiperco 27 soft magnetic alloys can contribute to better performing microspeakers and earphone drivers, improving "decibel (dB) density" in miniaturized consumer electronic devices. This article was originally published in Voice Coil, November 2020.