The 6SJ7WGT is the "W"-Version for higher demanding requirements, the WGT is best version made in this category.
Pentode with octal base used in Ayon HiFi Audio amps, Darkvoice headphone amp and in real vintage guitar amplifiers like Gibson GA-20, GA-30, GA-50, Harmony 8418 and Sears Silvertone 1331.
