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Post subject: Re: A Fender Vibrolux
Posted: Fri Feb 17, 2012 4:40 pm
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Doesn't mean it never did or couldn't happen. :wink: I had plenty of two prong amps. That's all we had in the 60's. If the conditions are right you could wind up dead. I don't anyone ever got hurt from a electrolytic cap going bad. Way back, radios, and TV's had tubes and electrolytic caps, high voltages etc. too. The electrolytic caps went bad in them too.

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Post subject: Re: A Fender Vibrolux
Posted: Fri Feb 17, 2012 4:56 pm
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63supro wrote:
The electrolytic caps went bad in them too.

Even though the fender ground cap is often called a "death cap", there is no evidence of anyone being killed from it either!
However, it gets expensive when the power supply e-lytics take out an OT or burn some wiring, or tube sockets. The priority in checking old amps is to replace the wear items.
If there was a serious danger of death from working on amps, all the techs would be rich!
As for anyone being killed from 2 prong wiring, doesn't show up in a search!


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Post subject: Re: A Fender Vibrolux
Posted: Fri Feb 17, 2012 8:07 pm
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Yeah Bill, your point about the 0.47-600V is well taken by me. As far as I know those caps were of a special design. They were built to be an open circuit if failure should occur. As for the three prong power cable, I too have a '55 Valco (SE). In a reasonably perfect world it would be fine, but I've chosen to go with the 3-prong. Of course, that can introduce ground noise, but I'll take that trade-off. And you got that right about mis-wired outlets. Supro makes a very realistic observation, sometimes things can fail and all bets are off ! So in a way it's a personal call, but for the folks, who's amps I work on, there's no question. Can't jeopardize their potential safety! JMHO Art

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