How do i know what's the best possible tube to replace the original tube of my Vincent KHV-111 amp? or to any other amp, how do people know which one to buy? ..and if people have any other things to say about KHV-111, i'd love to hear.. becouse there's not much discussion about this amp anywhere.

I found used Beyerdynamic DT880 'phones from net-auction. They were a bit broken, so i got them in very cheap price. I just had to solder them a little. I guess i got ones that was made in 80s, they look like this. So what are the differences between the new dt880s and the ones made back in...

I checked what headphones i could get from Finnish webstores.. some of those are in web-auction but not sure can i get them. And most of the list are quite expensive.. i'd like to get cheap and good phones willingly. I listen mostly progressive rock and metal (for example Tool). Nice for this...

I checked what headphones i could get from Finnish webstores.. some of those are in web-auction but not sure can i get them. And most of the list are quite expensive.. i'd like to get cheap and good phones willingly. I listen mostly progressive rock and metal (for example Tool). I don't need...