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Showing posts from May, 2008

DIY Low cost Speaker for test new PowerAmp.

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1. Open speaker 2. DIY Speaker from CD - Rom package.

All fail IC By Sukyone ......

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Oh...... No more word see all pictures. LM3886 ,TDA2030,TDA7560 ,NE5532 ,TL072 etc..... failed by Me...

LM3875 Gainclone Chipamp New DIY Project

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Starting new LM3875 Gainclone chip amp Project. LM3875 PCB Purchase from Thai Diyer. http://www.htg2.net/index.php?topic=11458.0 Installed part R,C bottom view. Install LM3875 Chip. Two PCB dual Mono for stereo power amp. Top view. Part list per 1 board. 1.LM3875T 1 2.MUR860 8 3. R 22 K 1/4 w 1% 2 4.R 1K 1/4 w 1% 2 5.R4.7 K 1/4 W 5% 2 6. C 1000 uF 50 V 2 7 . C 220 uF 50 V 2 8.C 100 nF 63 V ( MKP ,MKS) 3 9.LED 2 10.R 2.7 ohm 2 W. 11. Power transformer primary 220V ( or 110 V) secondary 20-0, 20-0 300VA