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RE: Correction on Minimum Ripple

Paul,

Thanks, just what I was looking for .

Yes, I actually do take the turns ratio and DCR of primary and secondary into account. I thought it was something simple - like Peak to Peak vs RMS, but you, and one other helpful person, nicely confirmed it for me.

Like so :


" The 550 is peak to peak. 550/2 = 275 peak. RMS (what you meter reads) is peak times .707

275 X .707 = 194mv ac rms so the PSUD was not that far off.

You see, all this stuff is really just a matter of math and science. :-)"

Well, I am breaking-in this 45 DC amp on Willie Nelson and Johnnie Cash tonight. Need to tube - test all my RCA and Telefunken smooth plate 12AX7s, and get the best in there. Am pleased with the presentation so far, the 45 is pristine in a good DC amp. Only three hours on it, heck - the solder joints aren't even settled-in !!

Jeff Medwin



Edits: 06/09/15

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  • RE: Correction on Minimum Ripple - drlowmu 20:12:27 06/09/15 (0)

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