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Applications for UTC A-series transformers?

I was at an estate sale and picked up a collection of UTC transformers:

6 x A-11
1 x A-19
1 x A-20
1 x A-22

I have a friend who can use the A-20 as part of his recording studio. It looks like the A-19 is for something like a 12AU7 driving a pair of output tubes. The A-22 is listed as a transistor interstage. I see that people have used the A-11s in moving coil preamps.

I'm just trying to understand exactly what I have and what to do with them.


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Topic - Applications for UTC A-series transformers? - Thermionic27609 11:52:23 05/20/17 (4)

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