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In Reply to: RE: Plate choke with WE1048 lamination posted by dave slagle on February 28, 2025 at 05:44:45
My first impression is that the calculations looks reasonable and it is not very hard to do.
But what a waste of time to make such a choke. Just try a better schematic instead of old EI laminations and a lot, a lot of windings with after all not a very good choke.
If it were not a Western Electric part, I would question its design, but since WE had the skill and resources to make whatever they need I am curious as to what its original use was.
dave
If i am correct, its not a Western Electric choke, just the lams are WE.
The choke pictured above has the Western Electric logo on it. Laminations are bare until stacked varnished and painted at which point any logo can be added. I find it hard to believe that WE would let their logo go on anything that was not 100% their creation. Try putting a WE logo on an amplifier that uses WE 300B tubes and see how quickly the letter from the lawyer comes.
dave
Maybe the photo was taken before it was rewind but the topic starter say "I'm recently came across a plate choke that is wound with Western Electric WE1048 lamination (Used lams)".
Anyway, if you calculated about 28000 turns even WE is limited with physic laws.
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