foil coil with waxed paper

they are said to have less microphony then standard foil coils, did you test this?

i have tested som coils, mostly transformer style that had horrible microphony, i connected a coil in series with a resistor to an amp, played some music and cranked up the volume and could loudly hear the music throu the coil :tilt:

the waxed paper coils is said to be harder then standard foil coils and have less microphony