Does anyone know much about AVLS? Like the volume at which it's supposed to kick in? 70dB? I've had a look on the web and can't find anything. AVLS limits my player to half its potential volume, so when I'm listening for long stretches, as a rule of thumb, I try to listen to it at quarter volume...

People on this board use V6 and 7506 interchangeably, but aside from the driver size, I see little in common. The official Sony website for my region gives the following specifications for the 7506... Headphone Type: Dynamic, closed Driver unit size (mm) 40 Magnet type: Neodymium Plug...