At first, I plan to create 4P1L PP.
http://www.diyaudio.com/forums/tubes-valves/304155-4p1l-pp-no-feed-back-help.html
However, I just found 4P1L PSE which is also interesting.
Here is the diagram from Japanese web.
Any tweak require, please comment.
Original version is use 6BM8 but change to 14GW8 with 10db feedback (quite high) due to more gain.
here is schematics
http://www.diyaudio.com/forums/tubes-valves/304155-4p1l-pp-no-feed-back-help.html
However, I just found 4P1L PSE which is also interesting.
Here is the diagram from Japanese web.
Any tweak require, please comment.
Original version is use 6BM8 but change to 14GW8 with 10db feedback (quite high) due to more gain.
here is schematics
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