-=> ROY J. TELLASON wrote to WAYNE CHIRNSIDE <=-

 RJT> WAYNE CHIRNSIDE wrote in a message to ROY J. TELLASON:

 WC> What's so hard about rewinding a transformer and replacing the DC -
 WC> DC switching transistors?

 RJT> Must be more to it than that...

 Why?
 A ATX supply just rectifies AC - DC then uses the torroid
 behind a high frequency switcher to downvert the needed
 voltages.
 You might need to adjust the torroid core parameters and change
 the drive oscillators capacitor if as I suspect the driver is
 setup push pull at a frequency determined by the inductance and
 capacitance.
 Still not much more difficult than I say above.

 RJT> What wattage were the units you saw?

 I believe around 85 watts which is way to light.
 Seems manufacturers can make such supplies for those huge wattage
 car stereo amplifiers and they are pretty darn cheap.
 
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