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In Reply to: RE: Of all the 12A_7 series the 12AU7 is the LEAST worthy - as a design!! posted by marvda1 on June 24, 2012 at 10:24:49:
12AU7 is available in new manufacture and that is attractive to a new manufacture amp to keep costs down. I also say the big name designers are cutting corners unless perhaps used as a cathode follower or cathodyne phase splitter. Even at follower or phase splitter service there are better new manufacture tubes such as the 6SN7.
Most DIYers are wise not to use 12AU7. Why shoot yourself in the foot when a fortune was spent everywhere else in the DIY design to have a 12AU7 muck it up?
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- RE: Big name designers use 12AU7 - Neff 16:28:47 06/24/12 (0)