Organic Miner
Well-Known Member
Every time I read posts like this, I breathe easier about my investment.
New Vero Cob?
- Thread starter WoodyWoodWood
- Start date
Mr celsius
Active Member
Where are people purchasing Citizens? The only source I've seen is Digikey and it seems expensive.
Malocan
Well-Known Member
in US you can buy them at:
https://www.cdiweb.com/Manufacturers/citizen/CatSum/LED-COB/?type=11131&manf=3039&NavType=1
Airwalker16
Well-Known Member
They're basically all "call for availability". Are those sport lights anything worth checking out? 36,000 lm?
salmonetin
Well-Known Member
yeah umol/j but ....on spectral content... ...i imagine the same to previous veros... but...
...how much %?...
...uv.. 300 - 399 nm
...violet / blue... 431 - 500 nm
...green / yellow... 501 - 580 nm
...orange / red... 581 - 700 nm
...far red... 701 - 780 nm
...IR...781 - 1.000 nm
...or...
...blue....380 - 499 nm
...green...500 - 599 nm
...red...600 - 780 nm
...why not a thread to compare diferents spectral contents ...diferents brands and models... for the actual white leds ...cobs or monos... lot of white leds... and nobody compares her spectral content... only look in lumens or efficacy numbers?...
pd... maybe you can use your webplot numbers to use other tool..
https://www.sylvania.com/en-us/tools-and-resources/Pages/led-color-calculator.aspx
https://app.sylvania.com/colorcalculator/ColorCalculator_zip.zip
https://assets.sylvania.com/assets/Documents/ColorCalculator_User_Guide.8dcf07d1-9356-4de9-8bb7-db497a8159d6.pdf
pd1...maybe a thread comparing white leds with the same ºK...to look in her spectral contents ...not all 3000ºK have the same spectral content...or not all 5000ºK have the same spectral content...
...what led 3000ºK have the best spectral content for our proposites...grow cannabis plants...the same for other ºK too... yeah maybe im dreaming again...
..sorry for my bad and short english write...
Saludos
...how much %?...
...uv.. 300 - 399 nm
...violet / blue... 431 - 500 nm
...green / yellow... 501 - 580 nm
...orange / red... 581 - 700 nm
...far red... 701 - 780 nm
...IR...781 - 1.000 nm
...or...
...blue....380 - 499 nm
...green...500 - 599 nm
...red...600 - 780 nm
...why not a thread to compare diferents spectral contents ...diferents brands and models... for the actual white leds ...cobs or monos... lot of white leds... and nobody compares her spectral content... only look in lumens or efficacy numbers?...
pd... maybe you can use your webplot numbers to use other tool..
https://www.sylvania.com/en-us/tools-and-resources/Pages/led-color-calculator.aspx
https://app.sylvania.com/colorcalculator/ColorCalculator_zip.zip
https://assets.sylvania.com/assets/Documents/ColorCalculator_User_Guide.8dcf07d1-9356-4de9-8bb7-db497a8159d6.pdf
pd1...maybe a thread comparing white leds with the same ºK...to look in her spectral contents ...not all 3000ºK have the same spectral content...or not all 5000ºK have the same spectral content...
...what led 3000ºK have the best spectral content for our proposites...grow cannabis plants...the same for other ºK too... yeah maybe im dreaming again...
..sorry for my bad and short english write...
Saludos
Last edited:
optzulu
Well-Known Member
I bet you will even breath more when the price of the gen 7 comes outEvery time I read posts like this, I breathe easier about my investment.
speedyganga
Well-Known Member
price seems to be out... not sure DK is right though
http://www.digikey.com/product-detail/en/bridgelux/BXRC-50C10K1-C-74/976-1479-ND/6152489
http://www.digikey.com/product-detail/en/bridgelux/BXRC-50C10K1-C-74/976-1479-ND/6152489
Abiqua
Well-Known Member
68.1vf@1.71 amps
162 lumens /watt
Test Current = 116 watts [about 50% efficient, can't quite remember the exact LER for 5k Vero 325-330? thats about 50% @162 lumens/watt....
Priced to Compare with new Cree's and 058's?
To the rest of the thread and not necessarily just speedy......
I have used Bridgelux 5k for about 3 years in Veg. Accept no substitutes lol
Evil-Mobo
Well-Known Member
Do you feel the new gen Vero 29's are worth almost double what they want compared to the previous gen?68.1vf@1.71 amps
162 lumens /watt
Test Current = 116 watts [about 50% efficient, can't quite remember the exact LER for 5k Vero 325-330? thats about 50% @162 lumens/watt....
Priced to Compare with new Cree's and 058's?
To the rest of the thread and not necessarily just speedy......
I have used Bridgelux 5k for about 3 years in Veg. Accept no substitutes lol
JorgeGonzales
Well-Known Member
It's worth pointing out that this is not a previous generation analog. It's the 70V forward voltage version, which outputs quite a bit more light. Having said that, the 36 and 50V versions are the same price, which would make the 50V a no-brainer according to their data sheets. I'd take it all with a grain of salt for now, especially considering the historically awful prices of digikey.
Here is all of the gen 7 they currently list:
http://www.digikey.com/product-search/en?FV=ffecd511
Evil-Mobo
Well-Known Member
It's been a chore sorting through all the stuff on digikey's website lol. Thanks for the help in clearing some of this up. I want to build a 4 COB light for my 3x3 and wanted to run a 320W driver with (4) vero 29's in 4000K 80 CRI. Do you recommend then the 50V version listed here
http://www.digikey.com/product-search/en?mpart=BXRC-40E10K0-B-73&vendor=976
JorgeGonzales
Well-Known Member
I don't recommend anything, especially before they have even shipped. They seem to be even with Citizen for efficiency, which makes sense from a generational standpoint, Bridgelux is just taking longer to get to market. There's nothing magical about the output of any of these COBs, although I will say the 4000K Crees are much cooler colorwise than the 4000K Citizen and Bridgeluxes gen6s.It's been a chore sorting through all the stuff on digikey's website lol. Thanks for the help in clearing some of this up. I want to build a 4 COB light for my 3x3 and wanted to run a 320W driver with (4) vero 29's in 4000K 80 CRI. Do you recommend then the 50V version listed here
http://www.digikey.com/product-search/en?mpart=BXRC-40E10K0-B-73&vendor=976
If you like the results you've seen with the old Veros, remember this will be new phosphors, so not exactly the same.
Evil-Mobo
Well-Known Member
Yes after talking to Robin from Northern grow lights after my last post I think I am leaning to the Cree 3590 in 4000K for this particular build. Although there are some Citi 1812's sitting here that will be put in action in other areas of the grow.
Thanks for your input here.
JorgeGonzales
Well-Known Member
Is this for vegging? Those Crees are a bit of an outlier, like I said, skewed quite a bit more blue:
Evil-Mobo
Well-Known Member
No not for veg, shit according to that graph the 4000K citi looks like the winner is that the 1812 in the graph?
guod
Well-Known Member
...from my naked eye i woud say the cree curve is above 4700 K
JorgeGonzales
Well-Known Member
All the current gen 80 CRI Citizens use the same phosphor recipe, 1212 to 3618. I think that's how everybody does it. Same dies, same phosphors, different number of dies, different sized chips.
Evil-Mobo
Well-Known Member
Thanks for your input here gives me much to consider
The version 7s should hit around mid october or so.
Also I think people put too much weight into spectrum when discussing LED. If you consider all the research out there now, color temp simply isnt that important.
If you want tight node spacing in veg and youre going LED I would probably recommend simply adding 450nm royal blues to your setup, or create a veg light using primarily 450 blue.
Also I think people put too much weight into spectrum when discussing LED. If you consider all the research out there now, color temp simply isnt that important.
If you want tight node spacing in veg and youre going LED I would probably recommend simply adding 450nm royal blues to your setup, or create a veg light using primarily 450 blue.