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Class-D IRSound D200-V.0 Based On Apex D200 - a little music+ temperature test

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Published on Jan 23, 2013

Hi guys , this is my first class-d amplifier. its using sigma-delta modulation like IRF iraudamp1 , the main design is from apex in DIYAUDIO.COM , but i changed some components and also layout. my amp work good with 8~16 ohm load with music , but as you can see in video , i connected 5 ohm load to amp and mosfet's temp is not good. i upload this video to show other people the problem of my amp and may help me to get rid of heat :( also the specs of this board (part numbers , voltages , etc.) is on apex class-d thread , in DIYAudio :

http://www.diyaudio.com/forums/class-...

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