It is my understanding than Sony has discontinued their excellent MDR7520 professional headphones because they can be played "too loud", according to new European guidelines.   The 7520's are very sensitive, quoted by Sony as 108 dB and a high Power Handling Capacity of 4,000mW, so yes, they...

Thank you so much for this fantastic and informative review, on the basis of which I bought a Matrix M-Stage. This one has been upgraded with an LM4562 opamp. I didn't get to hear it with the original chip, although it was supplied in the box with it. All I can say is WOW! This really is a true...

Quote: I really don't think that is going to happen. Maybe if it was the only pair of headphones I own I would grow accustomed to them, but I really think something is wrong hence the reason I want to hear them against a known genuine pair. If they turn out to be genuine then I will sell...

I recently paid £80 for a pair of second hand Sony MDR-7509HD headphones off Ebay. I am aware that there are many fakes around so I was cautious, but the seller produced an invoice from a registered Sony dealer stating he bought them in 2007 and are genuine Sony. However, after reading all the...