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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Ultrasonic heaters! (again) posted by jorisdallaire on October 27, 2014 at 20:37:33:
I feel more confident with this project now with all the support you gave and I know that help is nearby if i run into trouble.
This project is really important to me, since beside my current breadboarded amp i have this long-haul project involving the GM70, and i suspect hum will be a problem with its 20V filaments.
In that specific case, the raise in output volts (to about 16-17V) resulting from adding the capacitor will be a blessing, but the output will still need to be raised to 20V by addition of a few turns to the transformer secondary. Is that feasible?
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Follow Ups
- Many thanks TK and Alex! - jorisdallaire 08:55:06 10/30/14 (1)
- RE: Many thanks TK and Alex! - Alex Kitic 12:08:36 10/30/14 (0)
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