My Vipar Spectra hack

horribleherk

home grown
My other cob light uses cree cxb 3070 cobs these luminus cobs were @$13.50 each were way cheaper than other citizen , vero 29 or cree 3950 or 3070 50v.cobs & by cheaper I mean considerable cheaper so I'm waiting until after this grow to voice my final opinion on the bargain basement cobs I have no way of testing par , lux or ppfd or any of that technical stuff I guess soon enough the plants will tell the story 20201016_081445.jpg20201016_081556.jpg20201016_081622.jpg
 

horribleherk

home grown
Great write up and info is great also.
Thanks for your dedication!
Im thinking of adding 2 of these cobs between my panels or 8 total to my area.
Hmm,,,
Citizen 36v. cobs are even cheaper yet at cobkits.com the xlg200h -ab have adjustments for voltage if you know what drivers you want octopart.com has the deals I'm not too sharp with the computer & you've gotta type the driver numbers just right but they've got the deals on these new style meanwell drivers I just got lucky on e-bay & e-bay might not have it one day & get 50 of them the next you just gotta keep checking daily I've found good deals there I'm considering adding some cobs in the middle of this light pending the results of this grow & have access to an identical vipar as the one used here I have a vision of 8 luminus cobs & 640w. of drivers
 

horribleherk

home grown
Found these cobs for $9.00 apiece but drivers start at $75.00 and up.
Ill keep lookin.
I was always intimidated by diy & after asking a few questions on another forum came away with more questions than answers but after this I've got a little better understanding & have a different out look aluminum street signs are now potential heatsinks for quantum boards lol also found it's cheaper to double up on smaller drivers than to buy some of the larger single drivers 3 of the 200h ab drivers will get you to 600w. for about $120 where a 600w. single driver will cost more one more bolt & I have heatsinks material lol 20201027_094652.jpg
 
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horribleherk

home grown
I would definitely buy the luminus cobs again at $13.50 each they make buds my other cob light uses cree cxb 3070 cobs & after this round I'm gonna compare buds just to check the sparkle on them which I'm starting to get now 20201027_112204.jpg20201027_112247.jpg20201027_112258.jpg
 
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