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November 27, 2006 - 9:25am
#1
Firing up old/dormant electronics...anybody know anything about Variacs?
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I have not used one. I remember pricing them when my friend and I were going to do some DIY projects (we were thinking of building some Nelson Pass Zen or Son of Zen amps years ago.) Variacs are expensive.
You might find the links below useful. The first one goes into variac usage in practical terms:
http://sound.westhost.com/troubleshooting.htm
http://obsoleteelectronics.com/Marshall_Tech/marshall_tech.htm
http://www.elect-spec.com/variac_tutorial.htm