Re: Toroids as O/P trannies
The bifilar winding of the primary would appear to stop any thoughts of high power levels with these toroids unless the valve impedances are very low.
I take note of the Williamson design althogh it is not for a toroid. I must admit I forget or maybe I never knew what Inductance leakage is.
However because surplus toroids are very cheap around £10 for a 300VA it's worth a try at rewinding one. The biggest problem would appear to be getting the wire onto the core, just what does a hand wiring shuttle look like?
Mike.
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