Cleaning out my parts drawer of back up tubes.
Gold Aero KT-99
GE 6BL7GTA
Sylvania 6BL7GT
RCA 5691
Ruby Tube 6550A-C
3- Svetlana 6550C
4-Sovtek 7025/12AX7WA
Over $300. worth of tubes yours for the cost of just the KT-99, $60. shipped to the US via USPS.
