Lighting COB LED INFORMATION check it out!!!

[pop22]

For those who may not have seen this, here's some good info in Cree cobs. And the 2530 isn't as far behind the CXB 3590 as you think. so lets say, I need 2x as many.

That's still $20 vs $45. Don't get me wrong, I'd go with the CXB 3590 in a heartbeat! But, I'm still building a light you'd be hard pressed to match for twice what I have invested! And I can upgrade the chips and use everything else that already exsists in the lights. I may spend more in the long run, but this gives me a good light NOW..

My goal is to get rid of all my Chinese growlights using DIY, efficient lights to reduce my power load. Increased yeild in just icing on that cake!

It's an investment. If you choose a $1200 600w 56% led fixture(1550umol) over a $300 1000w hps(1798umol), ROI would be 11,538 hours of operation. Or 2.6 years of operation at 12/12 lighting.

If you built a little less efficient, say 50%, and full DIY you can come in at around $1/w. You need a little more wattage, 650w is close(1495umol), 4,861 hours of operation for ROI.


If replacing an existing HPS system, ROI is a little longer, at 15,384 hours for $2/w 56% efficiency. And 9,027 hours for $1/w 50% efficiency. Us average of $.12/kwh. If electricity is higher than this, ROI is sooner, if it's cheaper then longer.

 

[iampepe]

Gotcha I have been. Building it is the easy part, learning the details is where i'm at.

 

[iampepe]

For those who may not have seen this, here's some good info in Cree cobs. And the 2530 isn't as far behind the CXB 3590 as you think. so lets say, I need 2x as many.

That's still $20 vs $45. Don't get me wrong, I'd go with the CXB 3590 in a heartbeat! But, I'm still building a light you'd be hard pressed to match for twice what I have invested! And I can upgrade the chips and use everything else that already exsists in the lights. I may spend more in the long run, but this gives me a good light NOW..

My goal is to get rid of all my Chinese growlights using DIY, efficient lights to reduce my power load. Increased yeild in just icing on that cake!

View attachment 572687

thanks great info!

 

[Atulip]

For those who may not have seen this, here's some good info in Cree cobs. And the 2530 isn't as far behind the CXB 3590 as you think. so lets say, I need 2x as many.

That's still $20 vs $45. Don't get me wrong, I'd go with the CXB 3590 in a heartbeat! But, I'm still building a light you'd be hard pressed to match for twice what I have invested! And I can upgrade the chips and use everything else that already exsists in the lights. I may spend more in the long run, but this gives me a good light NOW..

My goal is to get rid of all my Chinese growlights using DIY, efficient lights to reduce my power load. Increased yeild in just icing on that cake!

View attachment 572687

You don't need 2x as many though. You need 4-5x as many. 3590 is actually 115w or so for the same efficiency as a 25w cxa2530. So cost wise pretty much the same cost/watt. You will have better heat management and spread, but more holes to drill and accessories to buy.


Now citizens come it at nearly half the cost per watt at equal efficiencies to Cree, but Cree chips are priced pretty close to eachother, watt for watt.

 

[Dion]

10 watts? no try 25.2 when run at 700ma and about 41% efficient. If you want to drive them hard, you can run them at 1100ma for 40 watts

not even close

800mA is the test current aka suggested drive current
@ 700mA they are about 38.5% efficcient

@ 1100 they drop lower than hps

depending on the bin 40% eff is achieved at around 500mA or 18w depending on bin though

to match the cxb 3590 at 50w( 56% efficient) u would need top bin running at 300mA

so thats gonna be 5 2530 cobs per 1 3590.....

 

[iampepe]

3590 data
http://www.cree.com/~/media/Files/C...Modules/XLamp/Data-and-Binning/ds-CXB3590.pdf

I'm getting a headache stuffing my brains cells with information. I just want more bang for my buck and to a avoid buying Chinese.

 

[pop22]

Then I'll be running at 20% of a cxb3590........... yet I've seen 480 grams from a 245 watt CXA 2530 based light, so If I can match that, or even come close, I'll be happy!

not even close

800mA is the test current aka suggested drive current
@ 700mA they are about 38.5% efficcient

@ 1100 they drop lower than hps

depending on the bin 40% eff is achieved at around 500mA or 18w depending on bin though

to match the cxb 3590 at 50w( 56% efficient) u would need top bin running at 300mA

so thats gonna be 5 2530 cobs per 1 3590.....

 

[pop22]

When I can afford the CXB 3590's, I'll gut my Vipar "900" watt light and use its heatsink and a new driver, then mount 5 or 6 of my 2530s in it.

 

[Dion]

When I can afford the CXB 3590's, I'll gut my Vipar "900" watt light and use its heatsink and a new driver, then mount 5 or 6 of my 2530s in it.

yeah its all photons

I have some cxa2540s at 1200mA=38% eff
and i have a cxa2530 at 600mA= about the same

but if u consider running a cxb3590 at 100w its 42% eff roughly so

it all works dude/dudette

btw the spreadhseet u posted is for the cxb2530 not the cxa-are you talking about the cxb or cxa2530?

 

[keep pounding]

What does the CB,CD, DB, BD mean? 3000k BD vs 3000k CB

those are the bin class. do not know exactly how to translate it . the higher the letter the better the cob. I think