Phono Preamp recommendation for VPI Prime

Do you have a price range?

Kgturner is correct. you will get a recommendation for those three. I think you should also consider K&K, Art Audio, Aesthetix Rhea and Basis

I have the VTPH-2. I can't say enough good things about it. Dead quiet, very resolving and my Avid Volvere TT with an Ortofon A-90 is just a spectacular pairing.

Try the Liberty, as it comes with a 2 week no questions asked return policy if not satisfied.

A point that should be noted is that the input impedance of the OP's MA-6600 integrated amp is a low 20K for both its balanced and unbalanced inputs. That is marginal at best for use with the Rhea (see the second paragraph here), and I believe also for use with the Herron (ask Keith Herron to be sure, if the VTPH-2 is considered).

Regards,
-- Al

Excellent point -- Al, (as always) The Liberty can effortlessly drive a load of < 30 Ohms. From its maker.

Good Listening

Peter