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Class D Switching Power Amplifiers and Power D/A conversion

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Old 24th March 2015, 10:10 PM   #1
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Join Date: Mar 2015
Default Building an amplifier box. Need some help!

Hey, I would like to build an amplifier to my dorm room, but at summer I would like to use it as a boombox amplifier and make it cost efficient.

So my plan is to use this or this as an amplifier. (I can't decide between the 2, is cheaper got enough power for my 6Ohm speakers (koda 746 f)?! )

The second question is about the power supply. These amplifiers need 20+V to give there power, but the battery what I would like to use is 12V (boombox mode) and the power supply what is got is an old XBOX360 PS (203W 12V) for normal use in my dorm room.
So I think a step up converter could be good for this.

So overall, which amplifier should I pick, and is this power supply method will work?

Thanks!
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