Thermionics means "advanced listening" emblem featuring our EL847 vacuum tube illustration. 3" die cut vinyl sticker. EL 84 tube THERMIONICS sticker$3.00PriceQuantity*Add to CartBuy NowWhat you getThermionics means Advanced Listening emblem featuring our EL84 tube illustration. 3" die cut vinyl sticker. Also available with KT66 or 12AX7.
