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Ok. I think i found the answer to this on this page. http://www.powerstream.com/Wire_Size.htm It seems like 24 ga will give me a voltage drop of 2,16 percent if the wire is 7 feet. Still it's the wire stevesleds recomends for 3 watt leds... Hmm. Maybe most folks doesn't use 110V-drivers..

Hello! I'm building a few lamps around Meanwell HLG-120H-C700A. They are dimmable from 350-700 mA. I accidentally bought 24 gauge cable, which is rated for 577 mA. Do you guys think it will be ok to run 700 mA? The cable will only be about 6 foot long in total.. This should be ok, right? I...

I hear what you are saying, and agree. But if it wasn't more pricy i would actually call it an advantage.. one light is out instead of four. :) But i did buy the mean wells, mostly because they had an internal dimmer, but also cause they were a little bit cheaper. The 3% extra efficiency is also...

Thank you for explaining supra! I love this forum, but sometimes have to struggle a bit to comprehend the language and the lingo.. :) Gonna se if i find any threads about FFH's grow.

Thats a flexible light system! Kudos! "This is also the reason why I suspect the CXA3590 might over concentrate the power for a 115 degree beam angle." Do you mean that you want a wider angle? Or that it's to concentrated to the middle of the angle? How big of an area can you cover properly...

If you choose to put the different low-driven cobs on several smaller heat sinks, you would also have the advantage of better spread, coverage and flexibility. I think that having all your plants in optimal distance from the light source can be a tremendous advantage... Maybe not worth the...

Could it be that most of us are more limited by space than electricity and keep jamming in the same watts per square meter in order to get the most out of our spaces. Maybe we are therefore seeing more THC and better quality instead of more gr/w. As you said growing Sog with more low intense...

I'll buy two of those! If there is someone who wants to drive several cobs without dealing with the high voltage, this could be a good option: http://www.inventronics-co.com/upload/EUC-144QxxxDT(ST)_2014022709293931211.PDF

This is one of few replies that maybe actually saved my life. Really good that you are sharing this info to me and others on this forum!

Wow, that was fast! Thanks a lot Scotch! Why did you go with the other version?

Another noob question.. I'm tempted to use the mean well HLG-185 drivers for my 8 cobs. The high voltage scares me a bit.. but so efficient and also relatively cheap. I'd like to dim them and understand that you need a 100k resistance plus a knob. This is a bit complicated for a noob like...

That was/is my wet dream! But even the z4's are hard to find if you don't wanna buy 20 of them.. My choice stood between 2 3590 or 8 smaller cobs. The 2530's costed me 22$ So it allowed me to have more of them for the same price, with decent efficiency, and better coverage and spread.. (ok, $...

I'm waiting for this led.. Let's hope the spectrum is good! Probably old news for you guys, but i got a bit exited. :) http://www.osram.com/osram_com/press/press-releases/_trade_press/2014/osram-constructs-the-worlds-most-efficient-led-lamp/index.jsp

I don't know if this is the right thread.. But can anyone vouch for this company? http://www.ledgroupbuy.com/ I'm looking for leds for my DIY cob/3 watt project. I need to buy high binned 630- 660 and possibly 440-450 nm 3 watters. watts matters most is that leds are as high binned as claimed...

If you're only looking for efficiency and don't care about the cost I think you could leave the $ out of it.. Probably a bit stupid, but reasons I can think about is beeing more environment friendly or wanting to break your gram/watt record no matter the cost.. There is a an old thread on...

But if we leave the invested $ out of the equation, don't you think the high photosynthetic activity of the reds could make up for their poor efficiency? Guess it depends on how much you value the green and yellow spectrums from the whites.. I've read a bit your and stardustsailors writings...

Don't you think the

Nope haven't run the numbers. I know that what you and supra are mentioning makes perfect sense.. But.. My electricity is for free.. Just like the idea of efficiency. LOL! Think this is something I have in common with TS. Will also pay attention to what's said about pk3 application!

High binned 3590 5000k + a shitload of 630-660 on a separate dimmer. I think it could be a pretty awesome light! :)