Transformer Secondary Hookup

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here is another 16431 graph showing the resultant from 8 Sec sections being combined in parallel,

these sections are from the 16 ohm part of the coil,

almost the same result as the 4 coil combination, but shows a drop instead of a rise at the higher freqs,



 

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  • 16431-sec-8-combined.jpg
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ok, Peerless 16431, 64 Ohm wind vs top 1/4 of the wind.

16 coils in series/parallel,

4 sections of quad-filar wound #26, 30 T ea.

volts taken from the top of the 16 ohm wind to the top of the 64 ohm wind,

blue line divided by 4 to get scale to line up with the red graph,

so 4 30T coils in parallel stacked to a 120 T coil,

unloaded hi-freq response, looks nice and flat now,

will graph the 16 ohm section next,

 

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  • 16431-Sec-Response-64Ohm-Stacked.jpg
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Thats a flat response!

I´ve studied your post to such extent that I the other night dreamt you came to Sweden to teach. I got to get a life.
 
transformers are a good life,

in fact, i want a transformer shaped coffin when i ship off to the spirit in the sky,

here is the secondary, completely hooked up,

of course, who knows what this curve will look like after tubes and an inductive load (speaker) are added to the mix, as well as the impregnation medium,

pri DCR is very low, this means very little phase shift at 5 Hz,

note: Y axis is linear, not log,

it takes a lot of tension to wind the quad coils, hard to do on a nylon bobbin,

original coil was done as layered paper which just seems impossible to me, so full props going out to the original coil winders who wound this beast,

now i have to figure out which Bonanza rerun to watch,  :D
 

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