Free Download from Elektor: Supra 2.0 super low-noise MM/MD phono preamp
Original publication: Elektor magazine July & August 2016, Authors: Thomas Scherer and Ton Giesberts (Elektor Labs), Free download expires: Friday 30 August, 2019
Vinyl is back with a vengeance among hi-fi enthusiasts. The sound of vinyl records is something very special and cannot be compared to the sound of digital audio sources. In this article we present a high-end phono preamplifier featuring four special opamps wired in parallel in each channel to achieve extremely low noise. We used this approach earlier in a design published back in 1982, with discrete transistors at that time.
Go to the article page and download a pdf copy of the magazine article. Downloading is free until Friday 30 August, 2019.