Hi All, Today I saw a stereo 45 tube amp that puts out 10 w/p/c also using a 5u4 & 2 - 5692 tubes. I know it's not SET because you can't get 10 w/p/c out of 2- 45 tubes. My ? is how is the amp wired to get 10 w/p/c, thanks in advance for your answer.