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  1. The Punisher

    IF you are new to LED and want help choosing what to buy, POST HERE!

    efficiencyHello guys, RUI is a wonderfull place. But after spending a lot of time on this forum there are many things i still don't get : When i c ompare CXB3070 bin AB, and CXB3590 bin CB using the Cree tool, i get those numbers When i check the thread "COB efficiency spreadsheet" i get...
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