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.
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