11-07-2018, 05:21 AM
I don't know if this is true or not but I remember reading somewhere that paper capacitors of the 1930s and 40s , had a tolerance of + or - 20%, which may be optimistic. So if the schematic calls for a .09 mf cap use a .1 mf, since a modern film cap is probably closer to spec then the original.
Regards
Arran
Regards
Arran