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opinion for schematics
hello
New to forum and hi end I want to build a tube amplifier and after much searching I found this projects http://www.audio-talk.co.uk/fiultra/...trafi-crct.jpg I would like if you kindly take a look and tell me your opinion what do you think about batteries for negative grid bias and another plan is this http://www.audiodesignguide.com/SE300B/index.html more than two is preferable to construct Thanks for replying |