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.
-
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...$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...$1,028.73 -
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...$263.04 -
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...$520.43