I found an old amp that has a 6L6 and 5Y3. The other two sockets are empty. One has the wire that would plug on top of the tube. If any one knows what model this is I can try and find a schematic. How do I figure out what tubes to use if I can't find any info? Thanks, Al http://i138.photobucket.com/albums/q276/bondo3/HPIM0171.jpg http://i138.photobucket.com/albums/q276/bondo3/HPIM0173.jpg http://i138.photobucket.com/albums/q276/bondo3/HPIM0174.jpg
