Just got the CD 3000 today. Make a very solid impression. . I do wonder is there some impedance charts for it available. 32 ohm at 1 khz but it may go lower then that sometimes?. I am running it out of my Head One and sound superb except it sounds a bit soft and not to dynamic. 30 ohm is the lowest ohm setting it runs at so wonder if that may be it. Also wonder if there is a way or a mod to tighten the headband to get some clamping force? It fit a bit loose.