Tbone SCT800 modifications

Hello people!

I  would like to have a clear understanding about improving this microphone

any help would be really appreciated

I have already two valves, a Mullard ecc81 and a Genalex ecc83

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.gearslutz.com/board/attachments/geekslutz-forum/111879d1235602544-apex-460-mod-u47-apex-460-mods.pdf&ved=2ahUKEwi8vainhvzuAhVQ-yoKHffmB9UQFjAJegQIDxAC&usg=AOvVaw1I-syRKnjuHX-vtbTtEF40&cshid=1613947360270

And posts from Dave Thomas

http://advancedaudio-europe.com/forum/viewtopic.php?p=72#.YDLiMlPp1Pw

This is a variant of Apex460 so all existing mods apply to yours as well. Compare your components to 460 schematics, find out if there's anything different, and mod it to your needs.

thanks you