WOW…those are wild looking. The bases are ceramic, right? …so that should not be a problem touching the top plate of the amp. I have a set of NOS tubes (4), GE I think…and the originals…and have a 300BYaqin tube amp…I never experienced any of the things you described. I even had a prong pull out on one of the smaller tubes on my Yaqin and no noises or fireworks.
OK….but…..HOW DO THEY SOUND!!!????
OK….but…..HOW DO THEY SOUND!!!????
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