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RE: 5AR4 diode trick question

Posted by Eli Duttman (A) on November 7, 2016 at 13:32:09

In Reply to: 5AR4 diode trick question posted by gkargreen on November 7, 2016 at 10:40:04:

I recommend the UF4007, for less SS switching noise. The vacuum rectifier(s) block SS diode switching noise, but (IMO) less noise to block can't be bad.

The 1 A. SS diodes should be adequate for 2X 5AR4s. However, "belt and suspenders" suggests 3 A. UF5408s.

You have the right idea. Wire 1 diode in each of the lines that connect the rectifier winding to the vacuum rectifiers. Don't forget that SS anode connects to the trafo and SS cathode connects to the tube.


Eli D.

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