2C51 / 5670 Tubes
2C51 / 5670 tube is a medium gain dual triode tube. 5670 tubes saw wide use radios, as well as high fidelity audio gears. 6N3 is the Russian/Chinese version of the same tube. We stock the different versions for those who are looking to upgrade or tube roll.
About 6N3P tube
5670 tube design was copied and mass-produced by the Soviets and Chinese as 6N3P. Of these, Russian 6N3P are made with high quality and works very well in audio applications. For more information on Russian and Chinese 6N3P, see 6N3P Equivalent Tubes