long time lurker finally signed up after following the hd800 mod thread. My audio addiction got serious just before the UK lockdowns, a pair of grado sr80 quickly followed by meze 99 classics and many others since, then Dacs, iems and recently tune amps! Recent Roon convert, I’m slightly mad...

Cutting the dynamat, then trimming to size on and off the headphone was a pain. If I were ever to do it again I’d measure the circumference of both the metal ring and the outer ring and make cardboard templates and cut the dynomat with a scalpel. I made sure the screw holes were clear of excess...

Just signed up to say thank you Maxx for your post on the mods, I have installed them on an old hd800 I was thinking of selling and it has certainly improved them from a bass perspective, stage is still super wide and for the £20 cost of materials and a few hours of effort it’s well worth it! I...