So I've read many posts and generally most saythe Premium versions have more controled bass and the Pro versions are too bass heavy and too bright highs. But I've also read that the 600ohm Premium version has a very different sound signature from the other ohm versions and so I'm thinking this...

I've bought them a headphone amp, the HPA-100, a few moths ago and unfortunately due to health problems only took enough time to test it now.. I can clearly hear hum without any source. I tried to lift ground from mains with the same result. My cans are Sony MDR-7506. Initially I thought it was...

Hi all, I was going to ask this in a studio related forum but thought you guys are more headphone knowledgeable and this applies to every full size heaphone, I suppose. After just about 3 years my Sony MDR-7506's earpads completely peeled off. Looking around the seems to be many reports on this...