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Do It Yourself (DIY) paradise for tube and SET project builders.

RE: high frequency AC

Joris:
I don't recall our email correspondences but if it did happen I certainly don't recall having received feedback about the outcome.
I am very happy that it did work for you!

Phono RIAA: I must admit to simplicity being next to lazyness. Let's put it this way - with indirectly heated tubes in high gain low signal stages, hum is the only issue, and the simplest and probably cheapest and fastest way to deal with it is using or re-using a DC SMTP power supply for HDD. They give slightly more than 12V which is almost perfect for 12.6V heaters, adding a few caps helps stabilizing, filtering, and slowing down a bit - you don't need any more than that. And it's cheap plus fast.

Ray:
Let me know if you need help, and let me in on the outcome!
******

http://rh-amps.blogspot.com/


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Follow Ups Full Thread
Follow Ups
  • RE: high frequency AC - Alex Kitic 00:28:47 02/10/16 (0)

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