From: RockinghorseWinner on 19 May 2010 18:45 I have a car amp that is rated as 20 wpc rms. I plan to use it indoors with a 12v ps. How many amps should i need? Thanks. -- -------------------- http://NewsReader.Com/ -------------------- Usenet Newsgroup Service $9.95/Month 30GB
From: e-nigma on 20 May 2010 07:32 <RockinghorseWinner(a)NewsReader.Com> wrote in message news:20100519184259.293$UK(a)newsreader.com... >I have a car amp that is rated as 20 wpc rms. I plan to use it indoors with > a 12v ps. How many amps should i need? Thanks. > > -- > -------------------- http://NewsReader.Com/ -------------------- > Usenet Newsgroup Service $9.95/Month 30GB Is there a fuse on the amp? Use a 12v power supply that is a little higher than that If there is a 15 amp fuse on the amp use a 20 amp power supply 20 amp fuse, 25 amp supply etc The bigger the power supply the better
From: GregS on 20 May 2010 09:16 In article <20100519184259.293$UK(a)newsreader.com>, RockinghorseWinner(a)NewsReader.Com wrote: >I have a car amp that is rated as 20 wpc rms. I plan to use it indoors with >a 12v ps. How many amps should i need? Thanks. > Its likely you will get less than 16 wpc at 12 volts. You need 13.8 volts or up to 16 volts max. Fuse at 5-6 amps. greg
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