Without a doubt, the Marantz 10B from the 60's had the lowest distortion, superior quieting, fabulous separation and(too bad!) a need for alignments far too frequently. Not being a big FM fan here in Mpls/St Paul, I never really listened to it very often. The stations here just don't have great audio quality or variety. I sold mine to Audio Classics last year for @ $1100.
The best sounding FM Tuner is.....
OK Magnum Dynalab, Fanfare, Day Sequerra, etc. owners...I have no "high end" dealer in my area that carries a great tuner. I probably will not have the chance to listen to or 'a/b' compare a tuner before I decide to purchase. I'm asking anyone with comparison experience or anyone that feels that the own the best to respond in this discussion. Thanks, I look forward to reading your responses!