upgrade from AN7161

pray · 9th August 2009, 06:09 PM

I have an old diy car subwoofer with AN7161 as the amp. The sound acceptable for me n my dad. I've crank it many times and it was do job well with no warm atall at heatsink touched. I realize this 8 ohm/100 w sub require more power than this chip can go(10watts??). So what chip should I use with the 12v car batt. supply? after searhing found that TDA7564(class D??) has 45w*4 but no stock at local store. The need is 1 output chipamp with high pwr and 12 volt supply (to reduce dc up converter cost). sorry with my english.

pray · 10th August 2009, 06:03 AM

I also have an TDA2004 chip, but it's dual amp isn't it? how to bridging this chipamp and how much power will I get?

9th August 2009, 06:09 PM	#1
pray diyAudio Member Join Date: Aug 2009	upgrade from AN7161 I have an old diy car subwoofer with AN7161 as the amp. The sound acceptable for me n my dad. I've crank it many times and it was do job well with no warm atall at heatsink touched. I realize this 8 ohm/100 w sub require more power than this chip can go(10watts??). So what chip should I use with the 12v car batt. supply? after searhing found that TDA7564(class D??) has 45w*4 but no stock at local store. The need is 1 output chipamp with high pwr and 12 volt supply (to reduce dc up converter cost). sorry with my english.

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10th August 2009, 06:03 AM	#2
pray diyAudio Member Join Date: Aug 2009	I also have an TDA2004 chip, but it's dual amp isn't it? how to bridging this chipamp and how much power will I get?

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