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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: shared versus separate filament suppies.... posted by Vinnie on January 20, 2007 at 14:59:04:
The cathode resistors are in parallel, since the cathodes are in parallel on the same heater winding - they are not separate. If one tube opens up, the other will self-bias to near twice normal current - not good. It's OK as long as they are matched...
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Follow Ups
- Re: shared versus separate filament suppies.... - Tom Bavis 17:48:55 01/20/07 (14)
- Re: shared versus separate filament suppies.... - Vinnie 17:52:29 01/20/07 (13)
- Re: shared versus separate filament suppies.... - Tre' 19:19:33 01/20/07 (12)
- Re: shared versus separate filament suppies.... - Vinnie 03:31:24 01/21/07 (11)
- Re: shared versus separate filament suppies.... - Tre' 08:51:28 01/21/07 (10)
- Re: shared versus separate filament suppies.... - Vinnie 09:56:49 01/21/07 (9)
- Re: shared versus separate filament suppies.... - Tre' 10:54:04 01/21/07 (8)
- Re: shared versus separate filament suppies.... - Vinnie 12:45:36 01/21/07 (7)
- Re: shared versus separate filament suppies.... - Tre' 10:39:10 01/22/07 (6)
- Re: shared versus separate filament suppies.... - Vinnie 14:21:05 01/22/07 (1)
- Re: shared versus separate filament suppies.... - Tre' 17:18:38 01/22/07 (0)
- Tre, a quick question...... - thermionic addictions 13:42:25 01/22/07 (3)
- Re: Tre, a quick question...... - Tre' 16:31:42 01/22/07 (2)
- Thanks. (nt) - thermionic addictions 14:33:31 01/23/07 (0)
- Re: Tre, a quick question...... - Vinnie 17:13:19 01/22/07 (0)
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