Audio Note M9 RIAA Signature phono stage Review, Part 2: AN-S9M Step-Up Transformer

This is the second of a two-part review on the Audio Note M9 RIAA Signature phono stage. The first article described the sound of the M9 and this one will focus on 1) a comparison of the Audio Note M9 RIAA Signature with the Ypsilon VPS-100, 2) a comparison of the Audio Note S9M step-up transformer and the Ypsilon VPS-100, concluding with 3) listening impressions of the Audio Note M9/S9M used in conjunction with the Audio Note M10 Signature line stage.

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