Hello, I would like to build single ended class A amp. Szekeres was always on my list, but meantime I have remembered another mentioned project from old Headwize forum; the PRR designed SOL. I was looking for the schematic and finally found it. What is the difference between them? I know that...

Hello, My name is Tom and I have just joined Head-Fi. Electronics used to be my hobby back in elementary school almost 40years ago. Unfortunately, my life took different course and I followed other opportunities than something what used to be in my heart. Of course music was and still is my...