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640b e-cap values
Brad Winder
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Posts: 330
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City: Hay Lakes, Alberta,Canada
#2

03-03-2023, 11:17 AM
Good morning Paul,

Yes, that will be the source of the hum issue. Because of their low value and where they are used in the circuit, you could use non-electrolytic caps. But JustRadios and Sals Capacitors both carry 450v electrolytic caps in 1 and 2 uF sizes.
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Messages In This Thread
640b e-cap values - by WyTex - 03-03-2023, 11:01 AM
RE: 640b e-cap values - by Brad Winder - 03-03-2023, 11:17 AM
RE: 640b e-cap values - by morzh - 03-03-2023, 12:57 PM
RE: 640b e-cap values - by WyTex - 03-03-2023, 03:04 PM



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  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration