I hope it sings! Would love to actually put $ into a boutique cable for my HD600 as other projects come to a close for me. We should have cables as part of that unfinished communal Senn HD6-- series we started a while back.
https://forum.sonusapparatus.com/t/group-article-sennheiser-hd600-650-6xx/652?u=db_cooper
Should resurrect and complete it.