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|    sci.electronics.basics    |    Elementary questions about electronics    |    72,318 messages    |
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|    Message 70,644 of 72,318    |
|    Phil Allison to jurb...@gmail.com    |
|    Re: sci.electronics.basics, Would You Li    |
|    06 Jul 18 19:25:50    |
      From: pallison49@gmail.com              jurb...@gmail.com wrote:       >       >       > >"** For that to be the case, YOU have to know in ADVANCE what the        > acceptable ESR readings are for each electro you need to test. "       >        >       > Not so much.       >               ** Here comes the same old bullshit plus a massive context change.                     " The ones that are bad were stressed more, the others in the unit of the same       make and age may not have been and not as much of the electrolyte has been       boiled out. In circuits of the latter type, ESR is not that critical. Nut with       the high pass filter        it makes the value less important. "               ** Goble-de-gook.                      > So acceptable ESR readings are not going to be found on a chart.               ** Non sequitur.                     " What's more. my device does not actually read ESR in a lab type fashion, it       is meant more as a go/nogo tool to speed up troubleshooting, even for those       who can't really troubleshoot. "                ** The fool's device exist only in his imagination.               >        > >"For example, the 5 or 6 HV filter electros in most Fender tube amps can be       checked and evaluated with a Bob Parker meter in under 1 minute. The small       cathode bypass ones take about another minute and you are done. "       >        > Yeah, double or even triple the secondary voltage and the condition       > of the caps becomes quite important.        >                ** Insane crap !!!!!!!!!!!!!!!!!!!!!!!!!!.                All the HV electros would EXPLOD if you did that.               > >"Of course, extremely old caps and any that show signs of having oozed       electrolyte get replaced - no questions. "       >        > Have you noticed that most of them took a hell of alot longer to go bad ?        >               ** No.               >        > There is the Dick Smith, fine and good. But for servicing you don't need        > to know between 1.7 and 1.8. Why ?                     ** 2 digit resolution is hardly excessive.                Wot a demented moron.                     .... Phil              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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