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K&K Audio / Lundahl Transformers Welcome! Need support, you got it. Or share youe ideas and experiences. |
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K&K Audio / Lundahl Transformers Welcome! Need support, you got it. Or share youe ideas and experiences. |
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In Reply to: Non-symmetrical and 1635 vs 1660 posted by IslandPink on July 6, 2004 at 01:19:26:
When you look at the 1676 data sheet, the diagram for pin numbering looks a lot like the pin side of the transformer. But the diagram is really the top view of the pin "footprint" on a circuit board, as if you could see through the transformer to the pins underneath.If you connect the transformer as if the diagram was the underside view, even though it is clear that there are 4 pins on one side and 5 on the other, you will inadvertently use pin 1 for 5, 2 for 4, 6 for 10, and 7 for 9.
As for the second question, we haven't tried the 1660's. The 1635's are optimized for PP:PP operation, and have the most extended bandwidth, according to the data sheets. The 1660 is capable of greater output, but with less frequency extension. Maybe someone who has heard both can comment. Kevin?
Gary Dahl
"So many tubes, so little time..."
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Follow Ups
- Re: Non-symmetrical and 1635 vs 1660 - gdahl 06:50:40 07/06/04 (4)
- Oops .. - IslandPink 14:34:20 07/06/04 (0)
- Re: Non-symmetrical and 1635 vs 1660 - KevinC 07:22:33 07/06/04 (2)
- 1635 vs 1660 - IslandPink 14:32:31 07/06/04 (1)
- Re: 1635 vs 1660 - KevinC 15:24:49 07/06/04 (0)
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