8 Pin tube Socket for 6SN7,CV181,5AR4,6146B,KT88,KT66,KT99,KT100,KT120,KT94,EL34,6L6,6V6,6SL7,350C,6N8P,6N9P,EL156,5881,6CA7,6550,5Z3P,5Z4P,6N7P,274B,5U4G etc.