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RE: Stoopid question I know has been asked a zillion times before...

If you look around at some data sheets/specifications for even brand new electrolytic capacitors, you see specs for shelf life that indicate they need reforming after a while.

Although it may not be absolutely necessary, it probably is best to use the variac. When variac-ing the amp, start with a solid state replacement for the 5AR4 rectifier because it starts conducting much sooner than the 5AR4, BUT monitor the internal voltages in the amplifier so they don't get too high. I swap my SSR for the 5AR4 at about 70VAC line voltage or so, to finish variac-ing. (I would not use the SSR for normal operation)


Edits: 09/10/13 09/10/13 09/10/13 09/10/13 09/10/13 09/10/13 09/10/13 12/30/13
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