I don't mean to discount your experience, but I noticed a great difference and the Atlas and P4 I have is rated for the same lumens... Maybe if you did this long enough ago your P4's bin wasn't as good as those available now?
The pic doesn't lie... the K2 is getting it's butt whooped in this situation. If properly driven I don't think the lumens will be terribly mis-leading either.
Bookmarks