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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: Re: My 26 SE Headphone Amp Using AC Filaments – A Development? posted by andy evans on December 4, 2006 at 04:40:39:
Good point re number of tubes. Yes, the balanced approach cancels hum. My idea is a cancellation of hum in what is otherwise a single ended circuit. Like your approach, I use twice as many tubes as a conventional grounded cathode amp with a resistor or choke load. Also, gain on my circuit is limited to one-half of mu, with mu on most DHTs being pretty low to begin with. So, balanced offers some of the same advantages and costs.
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- Re: My 26 SE Headphone Amp Using AC Filaments – A Development? - Perseo 09:52:44 12/04/06 (0)
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