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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: Re: Non-symmetrical and 1635 vs 1660 posted by gdahl on July 6, 2004 at 06:50:40:
I haven't done a side-by-side comparison, but some comments are in order. The LL1635 is most appropriate for PP:PP as Gary rightfully concludes and needs to see a pretty low driving impedance to reach its potential. The ECC99 is probably as high as I would go in that regard. The LL1660 is more forgiving in the Rp department and is usable with a wider range of tubes. There is also a special version of the LL1660 called the LL1660S, which has a Faraday shield incorporated into the winding scheme to provide substantially better high frequency performance in SE:PP applications. While the specs indicate wider bandwidth for the LL1635, this property is dependent on the specific implementation.I've built excellent sounding amplifiers using both of these transformers.
Kevin Carter
K&K Audio
www.kandkaudio.com
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Follow Ups
- 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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