Psu Help Plz ...

Ahmad_tbp · 13th March 2005, 10:42 AM

hi everybody

...
how can i built a 90v 3-5a heavy duty PSU without using a transformer for my amp ? ( just like computer s power supply )
thank u all

...

Eva · 13th March 2005, 03:07 PM

Computer power supplies allways use transformers but they operate at around 35,000Hz instead of the classic 50Hz thus reducing dramatically transformer size

13th March 2005, 10:42 AM	#1
Ahmad_tbp diyAudio Member Join Date: Jul 2004 Location: Kayseri/Turkey	Psu Help Plz ... hi everybody ... how can i built a 90v 3-5a heavy duty PSU without using a transformer for my amp ? ( just like computer s power supply ) thank u all ... __________________ Marge, don't discourage the boy! Weaseling out of things is important to learn. It's what separates us from the animals! Except the weasel.

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13th March 2005, 03:07 PM	#2
Eva diyAudio Member Join Date: Oct 2003 Location: Near the sea	Computer power supplies allways use transformers but they operate at around 35,000Hz instead of the classic 50Hz thus reducing dramatically transformer size