First bulk order for a DIY COB Build

jayboogy

jayboogy

Active Member
What's up ROI community. So I have decided to go with an all LED setup for my 4x4 space. First time using LEDs but I've done a bit of DD and watched a shit ton of videos, read quite a lot of threads on here about what's good and what's shit, where to buy, etc. etc. I plan on making my own frame that will house 10 COBs run on two drivers both dimmable. I know 10 COBs might be a lot but with the dimmer I think they will work out.

Here is my shopping list:

5 x CREE 3590 3500K CD 36V 80CRI
5 X CREE 3590 3000K CB 36V 80CRI
10 x IDEAL HOLDER 2303CR
20 PIECES COB LED CABLE 0.75MM2
10 X 163MM ALUMINUM PIN FIN HEAT SINK (75-85W)
2 X HLG 240H-C1400B MEANWELL 250W
2 x 10v DIMMER FOR MEANWELL DRIVERS

So any feedback/recommendations are welcome.
 
HydoDan

HydoDan

Well-Known Member
Save some money and skip the Crees... Technology has changed, there are cheaper chips with the same specs available...
Checkout. cobkits.com
 
CobKits

CobKits

Well-Known Member
luminus at $17 are a better value than $25 veros ;)

they perform near the $35 vero Cs in fact
 
V

VegasWinner

Well-Known Member
GrowGreen200w.jpg 6 chilledgrowlights. com 100w boards will fill out your 4x4 just fine. I use 3 100w boards in a 2x4, cost me just $99 per board.
chilled.jpg

I reused 6x12 heatsinks USA from my previous cree cxb3590 cobs. I retired all my cobs for both veg; 2x2 4-3590's @1400mA and bloom 2x2 4-3590's @ 1400mA and increased my bloom from 2x2 to 2x4 and heat went way down and use my own 200w boar5d for 2x2 veg set at 100w.
GrowGreen100.JPG
 
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CobKits

CobKits

Well-Known Member
Airwalker16 said:
You really suggest using those over veros?
Click to expand...
in my opinion they are the best option for most people below 75W


Airwalker16 said:
why wouldn't PLC be using them if they perform better for less?
Click to expand...
thats not a question for me. they are operating at close to 100W per cob on their new fixtures so are probably using the Vero B or C to get the flux they want for their design. Apart from design efficiency there are a host of other factors that go into a fixture design such as cost, availability, physical size of chip, mounting style, available holders and optics, listings of each part, what parts are available at the time of certification submittal, branding partners, marketability, etc. etc.

Airwalker16 said:
are they 36V?
Click to expand...
the gen 3 are 50V chip. similar to a citi 1818 in voltage profile
 
Mullumbimby

Mullumbimby

Well-Known Member
jayboogy said:
What's up ROI community. So I have decided to go with an all LED setup for my 4x4 space. First time using LEDs but I've done a bit of DD and watched a shit ton of videos, read quite a lot of threads on here about what's good and what's shit, where to buy, etc. etc. I plan on making my own frame that will house 10 COBs run on two drivers both dimmable. I know 10 COBs might be a lot but with the dimmer I think they will work out.
Here is my shopping list:
5 x CREE 3590 3500K CD 36V 80CRI
5 X CREE 3590 3000K CB 36V 80CRI
10 x IDEAL HOLDER 2303CR
20 PIECES COB LED CABLE 0.75MM2
10 X 163MM ALUMINUM PIN FIN HEAT SINK (75-85W)
2 X HLG 240H-C1400B MEANWELL 250W
2 x 10v DIMMER FOR MEANWELL DRIVERS
So any feedback/recommendations are welcome.
Click to expand...
Not enough power to really blast a 4x4 through flowering. Even with COBs you really need to aim at 50W/Sqft.
I've got 16 x 3590s on 4 drivers, pulling about 700W at the wall, and half of my COBs are 5000K, so they are more efficient that the 3000k and 3500k options too.
You'll grow good weed but, you know...
 
Airwalker16

Airwalker16

Well-Known Member
CobKits said:
in my opinion they are the best option for most people below 75W




thats not a question for me. they are operating at close to 100W per cob on their new fixtures so are probably using the Vero B or C to get the flux they want for their design. Apart from design efficiency there are a host of other factors that go into a fixture design such as cost, availability, physical size of chip, mounting style, available holders and optics, listings of each part, what parts are available at the time of certification submittal, branding partners, marketability, etc. etc.


the gen 3 are 50V chip. similar to a citi 1818 in voltage profile
Click to expand...
Ya I'll be running at 75w.
 
thetr33man

thetr33man

Well-Known Member
10 cxm22s pushed at 1050ma would be plenty of light for your space. Get 3500 or 3000k, you arent growing lettuce...
 
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