SET Asylum

Single Ended Triodes (SETs), the ultimate tube lovers dream.

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RE: Ignore the doubters!

Posted by dave slagle on September 20, 2015 at 21:33:43:
-Great, so you guys can tell us how Dave Slagle knew which wire was the "right way" to begin with?
I'm all ears.

I didn't know the direction but I did know that one of the samples was inverted in direction from the two other ones.

I was asked to supply a few 3 meter pieces of the wire I could wind with so they could check the directionality and instruct me which end to place at ground potential.

I sent
-#31 cardas
three samples of #34 formvar all from the same spool with one marked the opposite of the other two and said they came off three different spools. (wire coming off the spool is not always the same since one never knows how many times it has been respooled)
-#42 plain enamel (the stuff the guitar pickup guys love)

The #42 was best, the formvars were all rated the same and the inversion of direction was noted. and the #31 was last. All five samples were labeled with a direction and I ended up winding with the #42 plain enamel.

Sure it could have been chance to pick the inverted wire and I later apologized for trying to trick them only to find out I wasn't the first.

For the folks below saying a bad solder connection could be the cause, I believe the connections used were all mechanical.

dave