Originally Posted by spearfish25

One additional reason I chose the Stillen is that many of our senior forum members have the Stillen CBE with Berk or Stillen HFCs. They have no complaints about the combo and say there is still no drone but perhaps a touch of rasp. I like the idea of being able to add HFCs without compromising my sound quality so I went with the Stillen CBE.

Just as a note, there is NO rasp with the Stillen CBE alone.