ADA Power Amps > Microtube 200 MT-200

Microtube 100 Transformers

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Aelfad:
So how did you figure out the trasformers' specs?
Anyway, I'm impressed!

Yazoo55:
Thanks for all the thumbs ups. :)

In the end I guessed the transformers. I knew the tube heaters needed 12 volts and the plate 170 volts. With the back-to-back transformers, the 12 volts was fine but the plate ended up getting around 160 volts which works fine. For the toroidal transformer, the schematic says it should be 52 volts after rectification. I just tried to get as close to that as possible without breaking the bank. I got a 2x18V wired in series. After rectification, this gave me around 50V.

It's great that all the schematics are available on this site. It is a really good resource.

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