hifisonix

Tag: phono preamplifier

  • Hifisonix X-Altra MC/MM RIAA Phono EQ Preamp

    The X-Altra MC/MM phono preamp, whether bought as a completed unit or DIY built, delivers the ultimate performance with respect to noise, overload, and RIAA conformance, placing it among the very best available anywhere at any price. In 2021, the design was featured in audioXpress, a leading audio industry publication based in the US. Part…

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  • RIAA Equalizer Amplifier Design

    This article explores the fundamental’s of phono amplifier design,  culminating in a few practical designs. Special emphasis is placed on overload margins (critical if you want good sonics from your EQ amp), driving the EQ network adequately and noise. RIAA Equalization Amplifiers V2.0 Below is the RIAA Calculator Excel spread sheet.  Please read the article above,…

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