(...)
At any rate, go back to your conversation. This thread isn't about guitar amps, I just thought it was a story that illustrated that the problem is probably QC and has, in fact, been successfully addressed as such in another market.
Tim
OK, 99.99% of audiophiles do not buy 6V6s - "They want to buy magic, not QC." can be ignored ...
But I found that guitar players are even more fanatic than hardcore audiophiles:
http://www.vacuumtube.com/guitartubes.htm