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Old 9th June 2006, 11:27 AM   #1
Szoki is offline Szoki  Hungary
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Default 220V/50Hz to +/- 55 volts about 800 watts

Hi!
I need lots of help in making a switching power supply from 220V/50Hz to +/-
55 Volts about 800 watt (for 2*300 audio amplifier).
Could u help me? (for example a schematic and/or pcb.. )
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Old 9th June 2006, 05:01 PM   #2
Eva is offline Eva  Spain
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Do you really expect somebody else to do your job for free?
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Old 9th June 2006, 05:20 PM   #3
poobah is offline poobah  United States
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That's a fairly large supply. After the electronics, magnetic and thermal design are very serious... those won't show up on a schematic either... SMPS's this large are not really right for a simple schematic copycat.

Sorry -
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Old 9th June 2006, 07:43 PM   #4
Szoki is offline Szoki  Hungary
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Eva: not really for fre
If somebody would it do, then I will pay him something
Here, in Hungary, sme people would do it for 15000HUF, about 60-70 Euros, (~ $75-80).
I know taht it!s not simple schematic copying, but I think it would help for lots, who wanna make power supply for his/het power amp...
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Old 9th June 2006, 07:43 PM   #5
Szoki is offline Szoki  Hungary
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"Here, in Hungary, sme people would do it for 15000HUF, about 60-70 Euros, (~ $75-80)."
sry, the full power supply costs that price that I wrote (ot only the schematic )
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