Quote:
Originally Posted by Kamakiri
...I've never seen a filter cap with NO polarity markings on it whatsoever, and 4 wires coming out of the cap, two on each end.
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I've seen double ended, cardboard-sleeved filter caps before. 'Cept the leads coming out each end were red & black, clearly indicating polarity.
They were used in Sears 17" portables, in the doubler circuit with seleniums.
The first time I ever replaced one, I (mistakenly) thought the red lead coming out one end went with the black lead coming out the other end
, and proceeded to wire it accordingly. The dang set came on and worked, but with humungous hum bars and hourglassing.
I quickly corrected the goof.