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RE: LL1664 vs. 1620/1623/1627 vs. 1693

Posted by KevinC (M) on December 8, 2013 at 16:58:45

In Reply to: LL1664 vs. 1620/1623/1627 vs. 1693 posted by oyvinza@gmail.com on December 8, 2013 at 02:49:32:

I would argue that the three transformers mentioned are not significantly different in the context of your loudspeakers for low frequency cut-off. I don't have any data to support the generalization, but, all other things being equal, the transformer with the shorter wire path may have the high frequency response advantage, although unless you are using global negative feedback, even that probably isn't consequential either.

I have no experience with paralleling primaries, so you would need to ask Per Lundahl that question.

The LL1620, LL1623, and LL1679 are more flexible. That's a judgement call on your part.

Kevin Carter
K&K Audio
www.kandkaudio.com

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