Electro-Harmonix 300B power triode tube with gold pins. Made in Russia. Premium version of the 300B EH with gold grid wire for increased bias stability as well as top of the line sonics and performance.
Item Tag: 50 kΩ
PX300B, Genalex Gold Lion, Gold Pin Vacuum Tube, Matched Pair, Power
Genalex Gold Lion PX300B power triode tube with gold pins. Made in Russia. In keeping with the tradition of Genalex to provide the highest quality tubes, New Sensor has released the Genalex Gold Lion PX300B audio power triode.
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Elekit TU-8900 300B 2A3 Single-Ended Tube Amplifier Kit Auto Bias Detect
Elekit TU-8900 300B/2A3 Single-Ended Power Amplifier Kit. The Elekit TU-8900 is a single-ended power amplifier kit that allows audio enthusiasts to enjoy two types of directly heated triode tubes — the 300B and 2A3 — in a single unit.