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-   -   Build a Power supply For amp. (http://www.diyaudio.com/forums/car-audio/33701-build-power-supply-amp.html)

Dj BASS AMP 8th May 2004 08:30 AM

Build a Power supply For amp.
 
Hi All...

I Want to build a power supply to Car amp. i Need the supply in the end 40V +/- of 15A.

now i build all the circuit but i the transformer i want to build to.
how can i do that.

*that direction of winding is matter??
*what the size of the wire in need to winding in the transformer
i need to put in the input and that the output i need to put to get a 15A of 40V + -. thanks !

the circuit is build from 12Xirfz44 (6 for side). it is good?

thanks.
Tamir

edpgc 13th May 2004 01:11 AM

You do realise cars run off dc!? A tranformer won't do anything without some sort of AC source.

rchua77 13th May 2004 01:18 AM

what you need is some kind of DC/DC converter. That'll convert the 12v car battery supply to your 40v 15A.

Duo 24th May 2004 04:23 AM

I think what this person is saying is that he's designing the DC/DC converter himself.


He mentioned the mosfets that he's using, and just wants suggestions on making an appropriate transformer for it.


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