Stereo Times critic Russell Lichter has been “floored” by Manfred Honeck and the Pittsburgh Symphony Orchestra’s new Beethoven: Symphony Nos. 5 & 7 recording: “Like all aficionados of my longevity, I have heard numerous versions of the Fifth over the years, but when I alighted on Carlos Kleiber’s performance on the Deutsche Grammophon label, a decade or two ago, I stopped looking. Kleiber in my opinion is one of the supreme conductors of the Twentieth…