I go with builders like Ralph Karsten. Electrical current going through capacitors, semiconductors etc. wears them out. I heard Nelson Pass and Jeff Roland say the same. They are only good for so much time. There are sonic advantages to leaving your solid state equipment on if you listen every few days, because of warm up time on some low power circuits like solid state phonos and preamps that take little power and forever to come up to speed. But let;s not kid ourselves into thinking they are not degrading. Leaving power amps on anything more than standby or on for more than an hour before listening is wasteful and just another reason to make fun of audiophiles. IMHO. We burn 12% of our gas sitting in parked cars talking on our phones. I regularly spit at or on those people so............there.......
