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philco 90 -just restored but system hums
#9

If only the first two turns of the outside winding are bad, I would first try removing these turns and connecting the remaining good wire end to the solder terminal. Two less turns out of 95 will have a negligible effect on the tuning of the coil.

If you do decide to rewind completely, you must duplicate the exact number of turns and the winding length on the form. Both determine the resulting inductance of the coil.


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RE: philco 90 -just restored but system hums - by Mondial - 06-04-2014, 10:32 PM



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