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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: OPT transformer impedance choices? posted by Curly Woods on January 24, 2007 at 15:30:26:
I'd go with a 6K OPT and run ultralinear with a B+ near 500VDC. THD should be reasonably low...around 1.5% or so.The best choice can only be made when all things are considered....mode of operation...tetrode, ultralinear, triode, ...the B+ voltage.....the needed wattage....etc. Don't just pick a number without consideration to the rest of the design. For example tetrode will require less of the driver circuit and give higher power but higher distortion.
Russ
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Follow Ups
- IMHO - Russ57 15:53:43 01/24/07 (9)
- I read most of your posts, and find you to be very knowledgeable ... - KIS 18:39:51 01/24/07 (8)
- Re: one thing to look at - Mahatma Kane Jeeves 06:07:43 01/25/07 (2)
- Re: one thing to look at - mqracing 20:21:58 01/25/07 (1)
- Re: one thing to look at - Mahatma Kane Jeeves 05:16:51 01/28/07 (0)
- Great answers below - Russ57 05:11:02 01/25/07 (2)
- Re: Great answers below - Curly Woods 06:05:53 01/25/07 (1)
- If your speakers are only 88dB . . . - Ray Moth 07:24:26 01/25/07 (0)
- Re: I read most of your posts, and find you to be very knowledgeable ... - Ray Moth 23:33:55 01/24/07 (0)
- Re: I read most of your posts, and find you to be very knowledgeable ... - Gingertube 19:52:19 01/24/07 (0)
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