Toroidal transformers

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Hey Folks,

Im trying to Design a Car Amplifier, but I have ran into a problem with the power supply circuit. Seems that finding high Watt transformers which will handle a 20khz signal. in relatively small packages is impossible other than turning my own(dont want to do). Please help, or guide to another design concept. Anyone done a tranformerless high power supply for audio application?

Thanks
Muddy
 
Transformer

In one of the articles in the Class-D section of the audio\circuits section of www.schematicsforfree.mattsoft.net there are instructions of how to wind a transformer.

Of do what others have done. Go to an amp repair shop and buy a blown up amo they junked. You will get all the hard to find bits you need out of it. After al, the transformers seldom go when the amps die. Just as long as the one you get does not have the transformer burned up, you're fine.
 
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