• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

829B/3E29 datasheet triodemode

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I also have the excel spreadsheet of the curves. I believe they were first prepared by Paul Raymond Leclercq (7N7 on this forum) - credit given where credit's due 🙂.

The curves were made with both sections tied together. Linearity is reasonable.
 
829B/3E29 datasheets triodemode

Thanks for the reply. This saves the Xmas. Now I can confirm that my workingpoint is where it should be. I run the tube in PSE-mode so the datasheets should be the rigtht ones. G2 max for these tubes are 240V and I have B+ at 320V. Is there some of you who has tried anodevoltage up to 600 in triodemode without breakdown (due to G2max)?
I am looking forward to receiving the spreadsheet.
Thank you very much.
Best regards permagne
 
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