May 3, 2017
hi-mu #triodes for #audioapplications #vacuumtube #75 #7B6 #7B4 #7F7 #loctal #loktal #6SL7 #6SF5 #6F5 #gridcap see link to article in bio
seen from United States
seen from Singapore
seen from Greece
seen from Belgium
seen from Singapore
seen from Japan
seen from China
seen from Morocco
seen from United States
seen from Russia
seen from Colombia
seen from United States
seen from China
seen from China
seen from China
seen from Mexico
seen from Türkiye
seen from Türkiye
seen from Malaysia
seen from Japan
hi-mu #triodes for #audioapplications #vacuumtube #75 #7B6 #7B4 #7F7 #loctal #loktal #6SL7 #6SF5 #6F5 #gridcap see link to article in bio