I am testing my new SR-71A amp side-by-side with my old PA2V2 amp using the same source and Sennheiser HD-580 headphones.  I am really surprised to hear virtually no difference between the two amps.  Am I deaf?

I ordered the k81 dj and I got the K181 instead (at the K81 price)...I guess that's a good thing...? ...it looks like a case of someone not paying attention when they shipped it.

Alas, I will be selling all my audio equipment very soon (I over-extended myself). I only have 33 posts here, so I think I need 17 more to sell. Once I'm official I will be getting rid of my HD580s, my Grado SR60s, my PSB speakers, my Onkyo receiver, my stanton turntable, my NAD cd player, and...

Hey - I just got my HD580s from Amazon yesterday and...WOW! I love the sound right out of the box - exactly what I've been searching for. I actually hope that these don't change with burn-in because I'm quite satisfied with how they sound right out of the box. I was also suprised that, at the...

I was wondering if it were possible to do damage to my headphones if I hooked them up to my 100 watt receiver and put the volume up too high? I'm guessing it's not a good thing, but how can I know if I have in fact done damage to them? I was listening to music through my loudspeakers and I...

I'm as new as you can get to this forum - and to the head-fi world in general. I just made a significant jump forward from my PX100s to my new HD555s I got in the mail yesterday ($94 from Amazon - incl shipping). The sound is very much what I expected - nice and warm. Best of all, they reveal...