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RE: 300B IT 1:1 845, A2 possible?

surely the dc resistance of the transformer takes the A2 portion off the predicted (predicted as if dc resistance didnt exist) characteristic curves.

Step down transformer or direct couple.

Aside from that, far be it from me to burst youre bubble, but if you download Stephies excell spreadsheet on the 801a, as you push it into A2 the 3rd harmonic is greater than 2nd and thats probably a greater effect on sound to the detriment than tube rolling and choosing the worst tube.

i.e.
[url=https://postimg.cc/fV1xpQ2m][img]https://i.postimg.cc/q7vjtk2b/3817-EDC6-E5-B7-4-FAE-A487-7-CE3-CA5-CAF5-F.png[/img][/url]

[url=https://postimg.cc/XZFw01mh][img]https://i.postimg.cc/TPNQgZ9R/72104159-059-B-45-BB-86-E2-FA8-AFB33-A844.png[/img][/url]

[url=https://postimg.cc/jwbyqQrj][img]https://i.postimg.cc/RF3dRXsw/AD428941-9348-45-BB-A450-EAB050-FBF86-C.png[/img][/url]

[url=https://postimg.cc/QFFQfdbj][img]https://i.postimg.cc/kgcTXVRR/C57-F25-D0-893-A-490-A-BCC2-4-C656-CEE98-A7.png[/img][/url]



Edits: 12/27/21 12/28/21
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