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Lundahl LL1620 SE-OPT : Ultra linear ?
Lundahl LL1620 SE-OPT : Ultra linear ?
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Old 14th May 2009, 03:41 PM   #1
jim is offline jim  Belgium
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Join Date: Jan 2002
Location: Leopoldsburg - Belgium
Default Lundahl LL1620 SE-OPT : Ultra linear ?


I would like to use my Lundahl LL1620 SE output transformers with a 6550 in UL mode.
Is it correct when I connect taps 1/6 to the screen grid I get a 25% UL tap ? (see attachment)
Is this OK or should it be the more common 43% ?

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File Type: jpg ll1620-ul-comp.jpg (89.7 KB, 226 views)
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Old 14th May 2009, 04:02 PM   #2
KevinC is offline KevinC  United States
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Yes, the connection you show will give you a 25% tap. Whether you will like the sound of that more than some other tap location I consider a matter for experimentation rather than following someone else's recipe.
Kevin Carter
K&K Audio, www.kandkaudio.com
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