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Audio Output transformer info needed
mikethedruid
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Posts: 1,824
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Joined: Jul 2014
City: Sneedville, TN
#8

02-26-2022, 07:26 PM
Correct me if I'm wrong, but I seem to remember that the impedance which the tube plate circuit sees is a function of the winding ratio and the speaker voice coil resistance. In other words, if the transformer ratio was 200 to 1, primary to secondary, and the voice coil was 8 ohms, the impedance reflected to the plate circuit would be approximately 8 x 200, or 1600 ohms. For the transformer Terry linked that would work out to a turns ratio of about 625 to 1.
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RE: Audio Output transformer info needed - by mikethedruid - 02-26-2022, 07:26 PM



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