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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: need some advice ... posted by vinnie2 on July 31, 2017 at 16:00:48:
The triodes are basically identical.
I see the circuit as shown is for a 6N1P, not a 6DJ8. Both sections are operating at around 150v plate to cathode. The 6DJ8 is rated for a maximum of 130v, and there have been many, many reports over the years of short lifetime at any voltage over 90 volts.
The 6922 is rated for much higher voltage, 220 or 250 in the data sheet I have on hand. It is otherwise similar to the 6DJ8, but the 6N1P is not similar. To use the 6922, you would still need to adjust the cathode bias resistor of the first stage to get the right voltage.
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Follow Ups
- RE: need some advice ... - Paul Joppa 16:18:44 07/31/17 (1)
- RE: need some advice ... - vinnie2 18:16:38 07/31/17 (0)
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