I'm looking at getting a 2A3/45-based amp and so, for the heck of it, I hit a couple of the online tube stores and didn't see a single one. Are there variations on the 45 tube, numbered in some other way, that I'm simply not seeing?
They are on Ebay fairly often... typically you can get a pair of National's or Philco's new for around $90 a pair. I can't recommend any seller in particular.
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