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write them, take some pics, and tell them you can email them showing them.. if you get to release money, then tell them you want new ones or you can return them

with the height.. you can get them as close as there is no burn.. over at IC, many many who use whites with no bleaching very close, only thing is color LED they can bleach ( reds i think they were talking ) .. I have some 4.2 watt XM-L2 that don't seem to harm very very close

^ glad your on the same page.. second, I have to correct my first statement, even a same size heatsink as smaller ones is still not efficient as smaller ones, for the fact the smaller ones have gaps, where the big heatsink wouldn't have any gap.. that's what makes the smaller ones more...

sorry if you don't get my light description, maybe hard to explain.. thing is, your huge panel is going to be the same size as 4 separate panels.. so if you could find a heatsink that wide ( which i don't think exists ) then by all means have at it. the lowest your gonna get by is have a 2 long...

well, I am no pro.. -you want spread out lights ( more panels ).. the downfall with a single huge panel is light spread, meaning you have to pull the lamp up losing light when it reaches your plants.. see we can't compare HPS to LED, why.. HPS has a hood, and HPS shoots out in all directions...

now this gets me excited!! only problem.. no 660nm ............. thanks

thanks for this.. I had a lumi, and my new panels outgrew it, so I'm excited to see the new lumi

thanks for the test, and showing us.. I am a believer in the future, LED is going to lean towards 90% white with a couple led in 660 / violet range maybe..

I love what your doing.. and boy do I always sound like a grump.. but 420 watts through that little panel !!! ??? one fan / 420 watts / only so much heatsink size..... the design is great using cree, the color combination.. but 420 watts in such a small space, you have to be kidding me. We...

amazing man.. love the heatsink, wanted to try one from them for a while now.. as for the blue, gonna keep an eye on this, as I always thought we might still be missing a tad blue in a flower panel with whites.. good luck, thanks for showing us

good links.. lets not forget though EVO was ahead of everyone, also putting in cree chips. also, don't forget to look at graphs, some WW have very high 640 or 660nm ranges.. all dependent on company of course what I see wrong right now, is every white I've looked at lacks 470nm range, and...

like it.. but why would they not use the cree XP-G2 ? using an outdated chip just doesn't seem right to me

thanks for showing us this..

ok, I still don't understand, as what I see of these, they still use LED, only the phosphor is a different type / design .. so that leaves me to think even the best LED will be limited, and not the numbers you are saying around. take 30 watts of say of cree XM-L2 and you still can't expect that...

^ ok, so it's crap? I don't get what so great about it then, I'm just trying to understand

question.. is this as it says, equivelent of 150 watts? or does that not translate out to the same watts we go by? 2 of these would blast my 2x2 area, and only use 60 watts.. if it is as powerful as I'm thinking..