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Single Ended Triodes (SETs), the ultimate tube lovers dream.

RE: Yes, Michael, the 2.2uF decoupler is C10 and not C16. Also, I've measured Voltages...

Jeff

>> the main-supply rail is 524VDC

That means the 300B is slightly above 80% dissipation
which is not too bad.

>> possibly too much capacitance at the output.

You have about .7V ripple to the OPT.
IMO That is on the high side.
Best not used on Hi-Eff speakers.

BTW It still loks like a step-down IT.

DanL

PS The C10 should be a 22uFd cap.



Edits: 03/21/14

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