Monthly Archives: October 2010

My rectifier socket got problem, accidentally, the one of the pin was broken yesterday. So I fill this weekend to repair it. Since I used to use Octal and B4 based, why don’t I put two sockets to simplify my...
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Today, I design the power supply module for my tiny amplifier project (check here and here for detail). The power supply are divided into three modules. One is for the 4x TBA820 (I stack 2 bridge diode to provide 3A...
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My tiny newborn amp will not be alone. I will add a low voltage tube buffer as a nice companion. I just finish the module today. Powered by Russian 6N1P tube and Russian K40Y capacitors. Some of the circuit inspired...
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Ok, my newborn saw the world for the first time about 5 days ago, and I haven’t finished his first gift 😉 The main idea is to create an active speaker, powered with Quad Amplifier TBA820, onboard MP3 Player, and...
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