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Old 29th February 2012, 03:27 PM   #1
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Default transformer ratio vs impedance

i was looking at group of tube output transformers,
the imput impedance ranged from 1800 to 15000 ohms
how do you calculate the turns ratio?
do you divide the 4 ohm output to the imput impedance.
for full range esl.
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Old 29th February 2012, 03:55 PM   #2
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The voltage ratio is proportional to turns ratio, while impedance ratio depend on turns ratio squeared. Current is inversely proportional to turns ratio.

Good luck.
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