Is my LT44 transformer suitable for audio (de)coupling?
"Dave Plowman (News)"
Phil Allison
DC measurements can give a guide to the turns ratio but not the
impedance.
** That is quite wrong.
With small to medium audio transformers, the rated impedance of a
winding = 10 to 20 times the DC resistance.
This fact derives directly from the *efficiency* of such transformers
being around 80% to 90 %.
The LT44 complies.
It might well do. But it's not a rule of thumb I'd rely on for all
transformers.
** Silly answer.
Contrary to your false claim above - it is a quite reliable guide.
........ Phil
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