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Hello all! Today one of my cxa 3070 start to blink, worked perfect more than a year. What could it be? Fixed on CPU cooler by kapton tape, with fan attached, powered by chinese driver 50w, 1500mA.

This is exactly what i meant. Thanks! I need this info for my 3*cxa2540+hlg120-c1400b. I was misfit in voltage calculation, so it's better to leave dimmer connector open in my case for more current output? Or it's still will be limited due to voltage limit?

What is the percentage of current drop, when dimming potentiometer is connected to MW HLG series?

Will it work? 2 x CXA 3590 77v and CXA 3070 36v together - in series driven by HLG-185H-C1050A

А тут лички нет, пиши на стене.

Профиль удалён, бро. Сори, на олке политика у модеров весьма странная.

Профиль удалён, я туда больше ни ногой. Если интересно я на jahforum.org

I have made a light with 3 x 2540 and HLG-120H-C1400B. I know now that my choice with driver was wrong cause i can't use it for a max, because 2540 isn't 36v at driver max current. Nevertheless it's working (dimming isn't used) and it's consumption from the wall is near 120W. So, if i change one...

Hello bro Positivity. I see you using ledil reflectors. What kind of degree they are? The holder is also Ledil?

At the bottom. So, i really think it's a mistake even when i got a confirmation that they have it in stock.

I found them in my own country, it's a myth? I already got confirmation for a bin and price - CXA3590-0000-000R00CD0E3 Sorry, forgot the link. Here. http://ledcomfort.com.ua/cree-xlamp-cxa.html

If there is an optimal $200 DIY for a 2x2, including cobs and driver(s)?

Hello All. Just a simple question for CXB3590 DIY. I need to cover 10х4. How much cobs do i need for this area. Active cooling, efficiency is not an issue while budget is.

Very nice DIY. Is it enough one fan per fixture?

Can anyone explain what happens if led driver will be a little over voltage? I have 3xCXA 2540 - 36.2v (1.1A) + MW HLG-120H-1400B (108v max). Will they work together at 1400mA?

Hi Supra! How do you think, did i choose right: HLG-120H-1400B for 3xCXA 2540 (datasheet 36.2V)? How could I dim it right? By 100kOm resistor?

lol? I don't think it's a good idea of using AC cobs for grow plants because of AC frequency. Though i didn't check it.

So, after i finish my cxa2540 diy, i'll try to make Seoul COB build! First ever on RIU? Thanks to this forum and members like you i forgot about Chinese leds. After i found RIU, my first build was 2*3070CXA, and it grows me buds like never before (chinese fullspectrum junk also works anyway).