My present cart is 0.24mv and I run that at -0.3db and the background is the quietest I have ever heard.
Right, it's deadquiet with all my MC cartridges (0.15 - 0.30mV), except for the Ortofon MC200 which is just 0.05mV (the lowest output ever).
Ugraditus is calling....again. Phono stage?