Given that famous amplifier designer John Curl does so much work for Parasound, we mistakenly assumed he must have been responsible for the company’s latest phono preamplifier, the Zphono XRM. We were wrong.

The new Zphono XRM phono preamp is a co-design that involved Parasound’s owner and founder, Richard Schram, and two other engineers he’s worked with for some years.
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https://www.whathifi.com/reviews/parasound-zphono-xrm