2A3 - 6A3 - 6B4 - 300B
Shop our selection of 2A3, 6A3, 6B4 and 300B vacuum tubes. These tubes are all somewhat related to each-other but are by no means interchangeable. They are all part of what is considered to be the top of the SET tubes.
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New Matched Quad (4) Genalex PX300B Gold Pins Vacuum Tubes
Genalex
$670.81New Plate Current Matched Quad of Genalex PX300B Gold Pins Vacuum Tubes In Europe during the 1930s the GEC (Genalex) / Marconi-Osram PX4 and PX25 power triodes were considered the finest audio triodes of their day. In keeping with the tradition of...$670.81 -
New Genalex PX300B Gold Pins Vacuum Tube
Genalex
$157.81New Plate Current Tested Genalex PX300B Gold Pins Vacuum Tube In Europe during the 1930s the GEC (Genalex) / Marconi-Osram PX4 and PX25 power triodes were considered the finest audio triodes of their day. In keeping with the tradition of Genalex to...$157.81 -
New Matched Octet (8) Electro-Harmonix 300B Gold Pins Ceramic Vacuum Tubes
Electro-Harmonix
$1,028.73New Factory Tested & Matched Octet of Electro-Harmonix 300B Gold Pins Ceramic Vacuum Tubes Ultra-long life, high-quality construction, and superior sonics with improved performance make it a top choice over 300B types made by other manufacturers...$1,028.73 -
New Matched Quad (4) Electro-Harmonix 300B Gold Pins Ceramic Vacuum Tubes
Electro-Harmonix
$520.43New Factory Tested & Matched Quad of Electro-Harmonix 300B Gold Pins Ceramic Vacuum Tubes Ultra-long life, high-quality construction, and superior sonics with improved performance make it a top choice over 300B types made by other manufacturers. Like...$520.43 -
New Matched Pair (2) Electro-Harmonix 300B Gold Pins Ceramic Vacuum Tubes
Electro-Harmonix
$263.04New Factory Tested & Matched Pair of Electro-Harmonix 300B Gold Pins Ceramic Vacuum Tubes Ultra-long life, high-quality construction, and superior sonics with improved performance make it a top choice over 300B types made by other manufacturers. Like...$263.04 -
New Electro-Harmonix 300B Gold Pins Ceramic Vacuum Tube
Electro-Harmonix
$122.51New Factory Tested Electro-Harmonix 300B Gold Pins Ceramic Vacuum Tube Ultra-long life, high-quality construction, and superior sonics with improved performance make it a top choice over 300B types made by other manufacturers. Like the original Western...$122.51