Can’t buy output tubes anywhere except from manufacturers at high prices.
I have given some thought about going the tube route for amplification but it sounds like a risky move. None of usual online stores: Tube Store, Tube Depot or Upscale Audio have any output tube available. Are things that bad?
I thought it was always common knowledge the "Telefunken Black Label" tubes were just JJ’s. Always look at the shape of the glass dome (especially on EL34, for example) -- only JJ’s have that goofy, awkward rounded dome shape.
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