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Original Message
RE: When you get "Serious" about building SE amplifiers you get ones of these
Posted by LinuxGuru on June 4, 2017 at 05:10:01:
> I have bought one of these XJW01 and I am trying to measure the
> inductance of my Lundahl Double-C primaries interstage
> transformer....and I am confused by the results:
Large coils must be measured at 50, 60, 100 or 120 Hz.
I would suggest you to use step down transformer (e.g. 220V -> 12...50V), resistor and voltmeter in order to measure and calculate primary inductance. Google is your help for formulas.