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Old 11th June 2009, 02:18 AM   #1
Ipanema is offline Ipanema  Malaysia
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Default where to buy step-up power supply

I tried to buy some gainlcone into car. May I know where can I get a ready made step up power supply convert 12V to +/-30V? Thanks.
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Old 11th June 2009, 09:32 AM   #2
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hi country-man

you can DIY yourself...
Making car amplifier SMPS with tl494 + DC Protection

or get it from coldamp.com
http://www.coldamp.com/opencms/openc...S80/index.html

what's the current you need for the rail voltage?
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Old 11th June 2009, 01:50 PM   #3
Ipanema is offline Ipanema  Malaysia
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Boleh-land?

Thanks for link but the cold amp module is out of my reach. The only stumbling block to build my own smps is always the output transformer. No confindent to wind it myself. Do you know of any local winder which can wind smps trafo according to spec?
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Old 11th June 2009, 02:55 PM   #4
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yeah....boleh-land itself

no idea where to find local supplier for winding
..... i'm in the midst of building the PS for my car as well....
in the 1st stage now, on the SG3525 part

will try to wind myself later stage .... dont know will be successful or not

also plan to bring in the coldamp as well in near future for a try
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Old 12th June 2009, 12:53 AM   #5
jol50 is offline jol50  United States
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Or just take PS out of an older amp.
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