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its actually forward voltage that dictates efficiency, why, because that is the value that when x current=watts. its the value which manufacturers can improve and every improvement in vf when driven at current converts to better or worse eff Cheers

yes right the 5k Sammy should be brighter?

is 301b still the best led, only the 40 lumen top bin is the best

whats wrong with all this... WHAT IS THE FLUX BIN being used, if they dont tell you the flux bin its smoke and more smoke if you laying out your hard earned you need flux bin data, 301 has big range of flux and price cheers

I would not write Nichia's view on horticulture off just yet, they have just licensed GE Trigain as well, HIGH CRI at same efficacy as Lower CRI

Nice clean build cheers

Cree dont make far red in XPG-3, these would be XPE-2 Far Red

I emailed you yesterday?

I think I have owned this as a fuck up on my part, our chip is not a Teknik replacement, it was designed for another application, albeit that it is a similar spectrum, without the broader phosphor and Im happy to refund you the nichia and Cree chip are quite specifically different I will email...

let me just make a couple of points. Our chip is not a copy of Tekniks chip, it is not phosphor converted, it is not cheaper than tekniks chip. We designed it for anti bact application for a specific customer after trying tekniks chip and found it was not SPD specific enough for that...

Hi Diggs, sorry you feel that way. Im very disappointed that teknik back in Feb/March mentioned, I guess in confidence, I was going to screw him over on his chips. I have never had any intention of screwing him over, not sure why I would, we have been happy to buy his chip. We tried to...

yes ok, I cant say I remember this. I can only say Im a led guy and dont claim to know all the spectrums of incandescent tubes, I guess I can only say I dont understand what that really says about this conversation, what I know about incand is relativity small compared to led spectrum

that you have come to me on multiple occasions wanting to buy:confused: really dude

Im guessing a 6500K T5 Spectral Distribution Graph looks like a 6500K T5 Spectral Distribution Graph...did you ask me if I knew what it looked like as I dont recall this

Please feel free to return the product, happy to give you an RMA. I will check with teknik if he has more stock of the PC blue as he did not the last time we checked. I believe what has happened was we used our chip from our anti bacterial board, this was my mistake, so happy to cop it. It is...

to clarify the boards have + and - at each end, they also have the Molex solderless connector which takes 14awg wire cheers Mark

I cant speak for HLG, I noted they have used Osram on their early boards and then used Samsung on the Diablo, we currently use Cree XPG-3 which is the best led in deep red right now

epistar 660??, the money in these boards always relates to the deep red, the white chips are cheap relative to deep red, so if you use cheap deep red, it brings the whole unit cost down, what do you get with cheap deep red....... PPP(piss poor performance)

Logic alone says flights around the planet are almost nothing, all commercial flights carry freight, so most freight is now dedicated freight forwarders maybe an excuse, but also the current reality

yes its just a short version but is the WHD part. its an SL bin so whatever CCT/CRI in that flux bin. if you can get LM301B in the SM 40 lumen bin it would be fair to say that bin is king of the hill. The problem with most suppliers they are non specific about flux bins, in fact I see a...