I have a IIX with the curved arm. I replaced it with my RB-250
and found it better, but then bought my Nott Interspace and put the Rega on it. For a period I found myself fighting a broken headshell lead so used the IIX. The Profile arm only suffers from an unstable counterweight mounting arrangement,
causing weak flabby bass. After experimenting with handi-tak, hot glue, lead tape, etc I took a leap of faith and JB-welded the cw stub to the arm. It works beautifully, no more flabby bass and everything else is fine for me. The stub is plastic
and I could not see a way to sub with a metal part. Do this at your own risk...
and found it better, but then bought my Nott Interspace and put the Rega on it. For a period I found myself fighting a broken headshell lead so used the IIX. The Profile arm only suffers from an unstable counterweight mounting arrangement,
causing weak flabby bass. After experimenting with handi-tak, hot glue, lead tape, etc I took a leap of faith and JB-welded the cw stub to the arm. It works beautifully, no more flabby bass and everything else is fine for me. The stub is plastic
and I could not see a way to sub with a metal part. Do this at your own risk...