erichgs,
Yes, according to Bob Carver the 12ax7 is the tube most sensitive to upgrades. Stick with Telefunken tubes that were made in West Germany vintage 1960's. Decent condition ones cost about $120-$150 a pair.
EBay is probably the best place to find a selection.
ozzy
Yes, according to Bob Carver the 12ax7 is the tube most sensitive to upgrades. Stick with Telefunken tubes that were made in West Germany vintage 1960's. Decent condition ones cost about $120-$150 a pair.
EBay is probably the best place to find a selection.
ozzy