07-12-2024, 03:33 PM
Here is some data I took:
1. #80 tube filament resistance 2.8K each side
2. watts: no tubes = 12 no#80=45 all tubes=135 without speaker choke
3. #80 plate voltage 752vac
4. 45 tube plates 198vdc
5. plates of 24 tubes - 300mv (something wrong here)
6. filaments 24s 2.8vac
7. C20 284vdc
1. #80 tube filament resistance 2.8K each side
2. watts: no tubes = 12 no#80=45 all tubes=135 without speaker choke
3. #80 plate voltage 752vac
4. 45 tube plates 198vdc
5. plates of 24 tubes - 300mv (something wrong here)
6. filaments 24s 2.8vac
7. C20 284vdc