Say hello

I am a retired old man,was worked in electronic and ic assembly company.
Audio amplifier diy is my hobby,l often assembly audio kits for tasting different characteristics.
Amp is a complicated unit with no standard rules fit all problems,especially when assembling and wiring.l always search website for problem solving when encounted.
I join diyaudio is expect to get people's guidance and exerience to possibly improve problem and enjoy music.