![]() Amp Transformer Mid West Co. 430-9001 (8) Class 130B US $69.99
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I want to power a 500 watt car amplifier from a 240v mains wall socket. What do i need to do this?
The amplifier has a 25amp fuse and would ideally like 12v DC. I've been looking for something to power it with and came across this:
http://www.radioworld.co.uk/catalog/sharman-spa8230-23amp-switch-mode-power-supply-138v-p-5999.html
will that suffice? I'm not sure about the whole amperage thing, I asked the manufactures of the amp what it would need and they say that ideally a 40 amp per hour voltage dropper would best, but i don't know what that means!
I'm hoping that there might be a cheaper alternative! also the amplifier has terminal binding posts for the power connections.
Thanks!
That PSU is the wrong type of unit for your application. You need to buy an inverter; either a min. of 40 amps that is 220/12v DC or switchable 220/110 to 12v DC
You may find that it's cheaper to just buy a pro audio amp, such as these:
http://www.parts-express.com/wizards/searchResults.cfm?srchExt=CAT&srchCat=330&CFID=25444992&CFTOKEN=28045388.
And a cheap computer PSU(to power a head unit, if you have that too).
And newegg.com for cheap PSU:
http://www.newegg.com/Store/SubCategory.aspx?SubCategory=58&name=Power-Supplies&Order=PRICE
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