does anyone know of socket adapters of tubes that can subsitute a 6eu7 tubes other then 12ax7 to 6eu7 base adapter socket.
as the 7199 is not avail anymore. what tube would would best would a 12ax7 or 12aY7 what valve would be the cheapest 6eu7 sub.
as the 7199 is not avail anymore. what tube would would best would a 12ax7 or 12aY7 what valve would be the cheapest 6eu7 sub.
