aesthetix

Thank you for this advice. Do you think that the atma-sphere phono stage would handle a mm cartridge well. I use a cartridge man.

The Atma-Sphere preamps are very good. They are a great match to any of the Atma-Sphere amps. The MP-1 is superior to the MP-3, as one might suspect. If you get an A-S preamp, follow Ralph's advice and avoid the SUTs.

To address your question, I run an Aesthetix Io Signature with volume controls directly into a pair of Atma-Sphere MA-2 amps. This is a great combination with excellent synergy.
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Redcarrera,

yes, MM will work well.