Hey folks, I have been messing with my new HK a300 tube amp. It is a 6v6 PP amp. Sound very good. I thought I would give it a try with several of the different tube sets I have. So far I have only tested three different sets. Ist up was a set of magnavox 6v6gt's made in japan. The clarity is very good. The highs and moids are very pronuonced. The lows are tight, but lacking. 2nd up was a set of wesinghouse 6v6gt's. They were similar to the magnavox. They had a l;ittle better mids, a little less on the highs, and bas was about the same. 3rd up was a set of HK 7408 tubes - WOW! The highs are very good, the mids are rich and warm, but the bass is very powerfull. The first two sets would not push the woofer to its ecursion limit. The hk's do so with ease. I didn't think there could be that much difference in tubes. So anyone else got some 6v6 tube experience to share. What is your favorite 6v6gt tube and why?