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High voltage power amplifier
A signal generator that can output between 40 Hz and 400 Hz will drive this amplifier, which will output up to 250 Vrms. The output will be feedback controlled to the adjusted voltage level. As you might guess, distortion and other audio quality metrics are not important. Stable voltage output, good regulation, and sustained maximum power output is important. Initially I want to achieve 1 kVA power, but with the option to increase this as needed.
I looked for circuits online, but the ones I find don’t go as high voltage as I need. What kind of topology do I need to consider for this? Valve amps seem to be a nice fit for this purpose, but I neither have the experience with valves, nor can I source any valves here locally. Can you guys point to me to any relevant information on this subject? Maybe books written by the audio greats that touch on this subject so that I can buy that book?
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