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?
Adding insult to injury, current production KT150 tubes have reliability issues. I have an amp that uses four KT150s. In less than 200 hours, I lost three tubes; one for loss of vacuum and two others big flash, pop.
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