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Old 20th May 2022, 1:22 am   #8
joebog1's Avatar
Join Date: Jun 2015
Location: Mareeba, North Queensland, Australia
Posts: 2,382
Default Re: SE transformer question

You havent said what thickness the iron you have is ??. As it was origionally driven by solid state,
( Strong like bull, smart like bulldozer ) it might be "very ordinary " iron ". I used to use John Sankey iron and it was a known and very predictable quantity. Exact inductances with SE transformers is pretty easy to do on paper, and VERY hard to wind on iron.
I would not be worrying so much about inductance, as waiting till its running and do the listen test.
I would suggest you forget "testing " with fancy test equipment, and listen to the music. If its what the amp builder wanted, its right.

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