John Bauman's Null Space
Vacuum tube amplifiers, high efficiency speakers and various other audio DIY exploits.
audio, diy, vacuum tubes, amp, amplifiers, preamp, preamplifiers, 11bm8, 27, 45, 56, 2A3, 6EW7, 6AU4GT, 6CJ3, parafeed, single ended, SET, pushpull, PP, open baffle, field coil, speakers, fertin, 20EX, fostex, ft96h, cardas, se15, vhaudio, pulsar, magnequ
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