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RE: That's a great insight into circlotron performance

They are Freed transformers (same maker as the HK cit2 transformers) from a Krone-Hite LDS 102R low distortion amplifier. A lab piece.

They have 4 primary windings and two secondary windings. With the 4 primary windings in parallel and the 2 secondary windings in series the winding ratio is 5 to 1. The impedance ratio is 25 to 1.

My 13 ohm speaker looks like 325 ohms to the circlotron.

Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"


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