Filtered (2) Filters Reset all× 300B× 5842× Product categories Valves(2) Power(1) Preamp(1) Rectifier(0) Accessories(0) Audio Connectors(0) Valve Sets(0) Quads(0) Matched Pairs(0) Tube Diagnostics(0) Amp Components(0) Upgrades, Replacements and Kits(0) Tech Components(0) Special Purpose(0) See more See less Product Valve Type KT120(1) 6550(2) 6SN7(1) 300B(1) 5U4GB(1) 6GW8/ECL86(1) 5U4G(2) 6AQ8/ECC85(0) 6AB8/ECL80(1) 6AC7W/6AJ7(1) 6L6/5881(0) EL84(2) 6L6(1) 5842(1) 6DJ8/ECC88(1) 6AQ8 | ECC85(1) 12AX7(1) 6L6 | 5881(1) 417A(0) See more See less Product Valve Brand Tung-Sol(0) Electro-Harmonix(0) Genalex Gold Lion(0) Sovtek(0) Svetlana(0) EGM Audio(0) TVS Audio(0) Panasonic(0) Mullard(0) RCA(0) Philips(0) See more See less Product Country of Origin Russia(1) Japan(0) USA(1) England(0) See more See less Product tags Guitar Amp(0) Hi-Fi Audio(2) Bass Amp(0) See more See less Show (2) Cancel Shop Showing all 2 results Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Genalex Gold Lion PX300B power triode (single) $290.00 incl GST RCA 5842 / 417A / CV3789 NOS preamp triode (single, gold pins) $90.00 incl GST