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Lundahl LL1620 SE-OPT : Ultra linear ?

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Hi,

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% ?

Thanks,
Jim
 

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  • ll1620-ul-comp.jpg
    ll1620-ul-comp.jpg
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