Quote:
Originally Posted by Rosco65
I have the LP-27a, which uses 56 or 27 tubes but is otherwise similar to the LP-3a. I would imagine that the market for Inspire amps and preamps has evolved into a bunch of degenerate tube rollers and the wide choices of 6SN7 tubes might be a factor. Designing a tube preamp around obsolete tubes limits your market. However, it does give me one less thing to worry about. OTOH, one of my amps is designed around a 421a tube so who am I to talk.
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I have a Hickok 600A on the way to sort out some 4 & 5 pin tubes and as a general upgrade. It's nice to be in good degenerate company.