[Johnson] Transformer "cooking"
Brian Burns
brian at lessonsinlutherie.com
Sun Jan 5 14:55:46 EST 2014
Hello Richard et al,
I heard on the air a few months ago a suggestion for drying out a modulation
transformer, and was wondering if it is just an "Olde Ham's Tale". The ham
that was suggesting it shall remain call-less.
The suggestion: Short the secondary, and apply a few metered volts to the
primary with a Variac. Raise the voltage in small steps, with extended
intervals of time for temperature stabilization. When the transformer gets
warm to the touch, let it sit for a long period of time (days?) to dry it
out thoroughly.
Whaddaya think?
Cheers,
Brian Burns Ex: W5BRO, K6UCD
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