What is the expected lifespan of a quality solid state amplifier (Krell, Mark Levinson, Anthem, Bryton, Pass Labs)? Is their any maintenance that can be performed to extend the lifespan of one of these amps?
Had a PS Audio 200C amp years ago and it began sounding lifeless with a cracking sound audible. Called PS Audio and the tech said that after about 20 years the caps are pretty much shot. Which led to my purchase of a Belles 350A.
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