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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: Right you are posted by marnold on February 19, 2006 at 13:20:57:
The input transformer wouldn't be very critical other than the split winding. You really wouldn't have to have a split secondary on the input tranny as you already have two signals 180 degrees out of phase with any single secondary. Newer transformer companies like Jensen don't wind anything much past 1:10 as a bandwidth issue. The output transformer is the hard one. I'd look at Lundahl or Sowter. Shielding is going to be paramount on the input tranny at least to -60dbv. Yes, I would definitely use DC at least on the first two tube filaments. I would rather use a different tube as the power output stage 12au7/5814a or maybe a 6FQ7/6CG7. Good luck! Ray
"I take you as you are
And make of you what I will,
Skunk-bear, carcajou, bloodthirsty
Non-survivor.
Lord, let me die but not die out." THE LAST WOLVERINE by James Dickey
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Follow Ups
- Re: Right you are - grhughes 17:18:43 02/19/06 (2)
- 1:10+10 or 1:5+5 - marnold 19:22:48 02/19/06 (1)
- Re: 1:10+10 or 1:5+5 - grhughes 06:20:45 02/20/06 (0)
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