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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Agreed, 12AU7 is not linear enough for audio use . . . posted by Ray Moth on October 30, 2014 at 23:14:05:
Cathode follower and "concertina" phase splitter are the only legitimate uses of the 'U7 triode in HIFI service, as local current NFB, AKA degeneration, takes care of the type's non-linearity. The 'U7 triode is a wretched voltage amplifier.
If you want this sort of medium mu triode in voltage amplifier service but can't come up with the extra 300 mA. per bottle of heater current needed to use the 6CG7, etc., use the Loctal based 7AF7. ;>)
Eli D.
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- RE: Agreed, 12AU7 is not linear enough for audio use . . . - Eli Duttman 08:12:24 10/31/14 (0)
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