So I put it via Line Out to receiver and it plays better. I guess the headphone op-amp is damaged and will need replacing. But I paid only 25 Eur for that...

Hi guys, are you kidding me? I just bought 6801 only based on this thread! It sounds awful. Like what music do you listen to? So I describe my experience, ok? Headphones: Sony MDR-Z7 The thing that you move volume potenciometer and sometimes one channel is louder is understadable. It would...