What amp do you recomend me for this headphone? I have this one http://diyaudioprojects.com/Solid/12AU7-IRF510-LM317-Headamp/ and this one https://m.ebay.com/itm/Classic-47-Headphone-Audio-Amplifier-Board-DIY-Kits-NE5532-OP-AMP-Dual-DC-9-15V/332155998826?hash=item4d560a526a:g:98EAAOSw2gxYypNv

Which cable do you recomend me. I am very suprised with sound quality after pads replacement.with original one there were to much treble. Now I removed foam and put artificial pads leather and I like thise sound much more. I have original cable. Steel one. I want to replace it with copper one. I...

Done. Thank you ;) I was soo nervous during changeing that I forgot how it sounds before. But with this artificial leather i think bass is better but. But that is just on first listening. I will experiment more ;)

And how to change pads on this headphones?

I have original cable with steel, not copper. Driver speaker are original. And I do not know are pads original. I have bought artificial leather pads but I do not know hot to instal them. My question is. Do I get something different with copper cable And are my pads original. I have never seen...

I have sennheiser hd540 I what i get if i buy sennheiser hd600 or HD580? in sound quality. is it worth of upgrade I have AKG K702 and they have a little more and little better bas than HD540. I bought HD540 for 33 EUR. And for HD580 i have to give at least 100EUR. Thank you