Filtered (4) Filters Reset all× Fuse× Rectifier× Tube Diagnostics× SearchSearch× Categories Valves(17) Power(9) Preamp(5) Rectifier(3) Services(0) Valve Testing(0) Accessories(6) Audio Connector(3) Capacitor(0) Valve Sets(6) Quads(3) Matched Pairs(2) Test Clip(0) Fuse(0) Valve Box(0) Tube Diagnostics(1) Amp Components and Hardware(1) Upgrades(1) Replacements and Kits(1) Small Parts(2) See more See less Valve Type KT120(0) 6550(0) 6SN7(0) 300B(0) 5U4GB(1) 6GW8/ECL86(0) 5U4G(2) 6AQ8/ECC85(0) 6AB8/ECL80(0) 6AC7W/6AJ7(0) 12AX7/EL84(0) 6L6/5881(0) EL84(0) 6L6(0) 5842/417A(0) 6DJ8/ECC88(0) 6AQ8 | ECC85(0) 12AX7 | EL84(0) 6L6 | 5881(0) See more See less Tags Guitar Amp(3) Hi-Fi Audio(4) Bass Amp(0) See more See less Show (4) Cancel Shop Showing all 4 results Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Electro-Harmonix 5U4GB rectifier valve (single) $70.00 incl GST Sovtek 5U4G rectifier valve (single) $160.00 incl GST Svetlana 5U4G NOS rectifier valve (single) $55.00 incl GST Valve testing service – 845 and 211 DHT triodes $22.50 incl GST