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IF you are new to LED and want help choosing what to buy, POST HERE!
What is 2-step and 4-step for CXA's? What does it mean?- Castaman
- Post #4,175
- Forum: LED and other Lighting
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DiY LED - Cree CXA3070
http://www.aliexpress.com/item/Freeshipping-1pcs-Cree-XLamp-CXA3070-led-74-117W-COB-EasyWhite-5000K-Warm-White-3000K-LED-Chip/2052849889.html Is it right bin? What driver will power it with best efficiency? Thanks!- Castaman
- Post #1,943
- Forum: LED and other Lighting
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3 watt diode 21-54 watt bulbs, question?
Seems like they bright enough for small box. Anyone tested them for a real consumption with power meter?- Castaman
- Post #13
- Forum: LED and other Lighting
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3 watt diode 21-54 watt bulbs, question?
One more thing, these bulbs are hot. I think they need active cooling, without cooling i can't hold a finger for more than 3-4 seconds on it in my box.- Castaman
- Post #11
- Forum: LED and other Lighting
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3 watt diode 21-54 watt bulbs, question?
Let me say a few words about this bulbs. I think they crap. First of all the most powerfull of them is 18w (54w declared). I bought 3 of them with custom spectrum (I don't understand WHY?!!). Let me show you it more closely:- Castaman
- Post #7
- Forum: LED and other Lighting