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The Gradual Exit of Samsung's LED Business Samsung's LED business encompassed three primary areas: LED lighting for illumination devices, TVs, and automobiles. According to the company's roadmap, this exit process will unfold in phases. Initially, Samsung will halt the production of LED chips...

Horizon is a redesign of existing 3535 footprint with a modification to the primary dome lens. Two versions 70 and 90 so 70 degree and 90 degree primary beam New Cree Horizon Horticultural Leds dropped on line today Far Red, Deep Red, Photophyll Select and XPG3 White...

would recommend 800 watt upowertek TLD-800-C18A-XYZ. Model Number Input Voltage Range Output Power Output Voltage Full Power Settable Current Min Full Power Settable Current Max Certification TLD-800-C18A-XYZ 180-528Vac 800 W 30-56Vdc 14.5A 18A or Model Number Input...

I think the answer is pretty simple, however I dont want mods all over me, I understand RIU is a business so cant promote such an option here. I will make the observation that these have a Samsung footprint so improves it chances, however given the fascination with even low eff parts like 281B...

Epistar are really a die manuf, package manufacturers buy their die and then sell as 'EPISTAR' leds. Epi do make nice RED die, however there is a world of difference between Power RED and 2835 Red, and this speaks to the general dumming down of grow panels, china copied the Quantum and over time...

I have run it with different bins, does not state it, but looking at data I believe these will all be typ bins this difference between std 281 and 301 explains price differences between the two in terms of fixtures I would suggest Cheers

It seems you are raising an issue about manipulating the PCT, not sure what PCT you have but the only input you can add is a target lumens target, if your suggesting I would manipulate the back end data to make some point ??. If you have access to the internal PCT, you can simply confirm my data...

Only data I have at this time

No Doubt Samsung brand has stamped itself into the grow community, anything with samsung gets a leg up irrespective of it real performance At such a big discount to 301 you can see why people would not want to use it, its up to the punters to deep dive for the truth 98% of all our mid power...

It do and dont matter, if you want high end architectural lights, it matters but not as a grow light, however when you consider the benchmark for CRI is sunlight at 100, meaning alone that 400-700 PAR is filled up, it should matter if sunlight grows things, CRI is tricky you cant just load red...

cheers, so can I confirm they will want to reinstall back where they had them? just considering the hang height and need for penetration? cheers

I think this is a good point, when you look at HLG, Chilled we see a massive increase in white count and also with lots of reds, all running at lower drive to increase eff while hanging on to photon numbers. Not sure dropping the bin would make sense when you trying to have best in class umol/j...

As a point of comparison, if you look at the QB96, it has a combo of 5050 and 3535 High power, if you look closely at the 3535 . Reds on the Qb and then this board of yours(blown up image) you will see these are the same size. Your boards could be replicated if you want to do that, but yes its a...

Firstly. The 5050 used on QB96 are not High powered, they are Plastic Mid powered leds, albeit multi dies so more powerful that single die 3030 leds aka 301B 2nd, the leds on your photo are all 3535 High powered leds, no doubt explained but the high powered driver 3rd the connectors on the board...

worth a question at least

dont notice the big 'made in USA' label.

I would be interested to know which 405nm leds are more efficient than the Nichia, not disagreeing but a little specific information than general statements Im sure would be useful to forum Cheers

be happy to hook you up cheers

Leds tend to shift with analog dimming but not pure PWM cheers

yes but you need to consider the driver gets less efficient Cheers