On Fri, Oct 21, 2011 at 3:23 PM, RussellMc wrote: >> and the cost? > > I don't think they mentioned cost :-). Though you seem to think that your solution wouldn't be cost effective compared to theirs (I'd have suggested it otherwise!) >> =A0Personally I'm impressed we're still seeing significant advances >> - not like we'll ever again have the overnight 100% increase in >> efficiency when the XR-E was released. > > That was only a quantum leap wrt prior offerings they had. My 3+ year > old Nichias are still up wit XR-E's when derated. But at a very small > fraction of the power !. (100 mW/LED) It was a quantum leap wrt any comparable high power LED made by anybody. How do your Nichias compare to a derated XR-E (ISTR those become far more efficient when run at very low power)? Chris --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .