Kingbrite Rocks

benbud89

Well-Known Member
W
I see. I had a feeling that I saw someone posting $28.5 for CXB3070 AB from KB.
CXA3070 AB > CXB3070 AB > CXB3070 AD

Don't mind the $/PAR W column as the prices are not updated.
Ie CXA3070 AB @32W has same efficiency as CXB3070 AD @50W.

View attachment 3394482
View attachment 3394483

All credits for the charts go to @SupraSPL
What the molly, the CXB3070 is better than the more expensive CXB3590? At least at lower currents, is that correct, can I rely entirely on these calculations?
 

benbud89

Well-Known Member
It isn't and the chart says that it isn't lol.
I can understand why youd be annoyed, but I really am trying to get this. Thats why Im asking, since Id rather be stupid for a few minutes, than remain quiet and stay stupid forever. I can see the lumens are higher at different currents on the CXB3590, but on the other hand, the lm/w at 50C seems to be numbered higher on the CXB3070 from your datasheet on page 8. Perhaps Im reading it wrong, which shouldnt surprise me much. Thanks for taking the time to enlighten me!:) Pun referring to light intended.
 

Greengenes707

Well-Known Member
I can understand why youd be annoyed, but I really am trying to get this. Thats why Im asking, since Id rather be stupid for a few minutes, than remain quiet and stay stupid forever. I can see the lumens are higher at different currents on the CXB3590, but on the other hand, the lm/w at 50C seems to be numbered higher on the CXB3070 from your datasheet on page 8. Perhaps Im reading it wrong, which shouldnt surprise me much. Thanks for taking the time to enlighten me!:) Pun referring to light intended.
There are 2 versions of the 3590...a 36v and a 72v. The 36v is for all intents and purposes the same operating characteristics as the 3070(a 36v cob as well). The 72v version is the same chips, but the on board wiring(parallel and series) are a little different. To get to 50w with a 72v version, only 700ma is needed(72v x .7a=~50w). As where with the 3070 or 36v 3590, 1400ma will get you there(36v x 1.4a=~50w).

So for back on page 8...your looking at the 72v3590 not the 36v so the ma comparisons won't be the same. But watt to watt, the 3590 has the flag.
 

benbud89

Well-Known Member
There are 2 versions of the 3590...a 36v and a 72v. The 36v is for all intents and purposes the same operating characteristics as the 3070(a 36v cob as well). The 72v version is the same chips, but the on board wiring(parallel and series) are a little different. To get to 50w with a 72v version, only 700ma is needed(72v x .7a=~50w). As where with the 3070 or 36v 3590, 1400ma will get you there(36v x 1.4a=~50w).

So for back on page 8...your looking at the 72v3590 not the 36v so the ma comparisons won't be the same. But watt to watt, the 3590 has the flag.
Thanks for helping out, Greengenes. But is it then because we are comparing a low bin CXB3590 with the highest bins of the CXB3070? As far as I can see, looking at it the way you propose, since Im going to build a lamp at either 0,7Amps or 1,4Amps depending on the voltage being 36v or 72v, they seem to have almost the exact same efficiency and L/W. The difference seems to be 2,56% in total lumen output when powered to ~50w. Is that really worth the price difference, or am I simply making a stupid light?
 
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Greengenes707

Well-Known Member
Thanks for helping out, Greengenes. But is it then because we are comparing a low bin CXB3590 with the highest bins of the CXB3070? As far as I can see, looking at it the way you propose, since Im going to build a lamp at either 0,7Amps or 1,4Amps depending on the voltage being 36v or 72v, they seem to have almost the exact same efficiency and L/W. The difference seems to be 2,56% in total lumen output when powered to ~50w. Is that really worth the price difference, or am I simply making a stupid light?
That's about it. Just the bump in efficiency and thus output. But like your getting, it may not be worth the price for some. 3070's are awesome. If someone thinks a 3590 is going to be a total game changer compared to the 3070...their just justifying their purchase to themselves or never used either before. All depends on pricing and availability for you. But either choice will grow top tier herb and as much as the other 9/10 times.
 

Stephenj37826

Well-Known Member
That's about it. Just the bump in efficiency and thus output. But like your getting, it may not be worth the price for some. 3070's are awesome. If someone thinks a 3590 is going to be a total game changer compared to the 3070...their just justifying their purchase to themselves or never used either before. All depends on pricing and availability for you. But either choice will grow top tier herb and as much as the other 9/10 times.
I agree 3590 is for those who are looking to squeeze every last ounce of efficiency out. Two lights with same bin 3070 and 3590 driven at same wattage would be so close that all the other variables in the grow would over shadow any diffrence in light output.
 

robincnn

Well-Known Member
Here are Jerry's top bins in 3500K
3500K 3590 CD
3500K 3070 BB
Does anyone have Spreadsheet for these Bins ?

Here is 5000K in 3070 and 3590 in top bins for a comparison
CXB3070 5K BD.png
CXB3590 droop.png
3070 1400ma 49.83watts @ 54.68%
3590 700ma 48.85watts @ 56.34%
for a $10 difference 3070 seems like a investment than 3590. Almost same efficiency.

Jerry's stash
1.jpg
R]
 
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PerroVerde

Well-Known Member
Just finalized my order with Kingbrite. The MW HLG-185-C1400A were out of stock and not to return anytime soon so Jerry gave me the option for the HLG-185-C1400B, no wired external dimming. Jerry was quick to give me a heads up and options. I appreciate his service and am looking forward to getting this light built and rolling...
 

littlejacob

Well-Known Member
Bo
Just finalized my order with Kingbrite. The MW HLG-185-C1400A were out of stock and not to return anytime soon so Jerry gave me the option for the HLG-185-C1400B, no wired external dimming. Jerry was quick to give me a heads up and options. I appreciate his service and am looking forward to getting this light built and rolling...
Bonjour
Do you know you need a pots to dim the b version!? (100k)
How much is the hlg in kb?
Did you paid 40 $ shipping for cob +driver?
Anyone know if because there is no longer china post option I am going to have to pay vat when ups or dhl going to deliver my order?
Is any EU residents order from jerry and had to pay vat?
Thanks
Have a great day ★
 

PerroVerde

Well-Known Member
I must have the B and A versions of the hlg-185-1400 mixed up then and a 100k pot isn't a deal breaker either way. I'm sure I'll roll with which ever driver arrives. My order was 55$ shipping via DHL but I have a few things coming. I hope DHL treats my shipment better then Supra's experience... :)
 

testiclees

Well-Known Member
I must have the B and A versions of the hlg-185-1400 mixed up then and a 100k pot isn't a deal breaker either way. I'm sure I'll roll with which ever driver arrives. My order was 55$ shipping via DHL but I have a few things coming. I hope DHL treats my shipment better then Supra's experience... :)
my dhl shipment from kingbrite was prompt and secure.
 

littlejacob

Well-Known Member
Bonjour
55 $ shipment is a lot imo...
Is it for 1 hlg 4 cxb 4 holders?
And what about V.A.T?
Is Jerry's price are V.A.T include?
Have a great day ★
 

benbud89

Well-Known Member
Im so glad that Ive been busting so many balls before ordering! It looks like Im ready to go for it. Unfortunately Jerry hasnt answered any of my mails for two days, I think he got tired of all my questioning despite my polite inquiries. hehe. Thank you guys. Id rather do 8 of these 3070 at a lower voltage, than six 3590 at 1.4. So thats great news :) Thanks a lot everybody, Ill probably be all over the place once I get my stuff and have to do the wiring :D Thank you!
 
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