Tube preamp 만들기 (Conrad Johnson 회로)
A friend of mine gave me a case for preamp.It’s case for a transistor amp. 어느 지인께서 감사하게도 preamp case를 주셨다,Transistor amp case 다. I just kept it long time doing nothing, and finally I made a vacuum tube preamp with it.Bought a DIY circuit board and power transformer from eBay.It was made in China. […]
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