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Discussion Starter · #1 ·
Found 4 of these LED bars out of a Cree Ceiling light

Each is 18" long with attached heatsink

Each contains the following LEDs

20x XP-E Photo Red 650-670nm
38x XT-E 6500K
2x XP-G 6200K

Would it be worth it to try to make use of it?
 

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Found 4 of these LED bars out of a Cree Ceiling light

Each is 18" long with attached heatsink

Each contains the following LEDs

20x XP-E Photo Red 650-670nm
38x XT-E 6500K
2x XP-G 6200K

Would it be worth it to try to make use of it?
yep..curious as to where someone would have used those..adding 660nm red boosts cri but pretty uncommon..
 

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Discussion Starter · #4 ·
Another weird thing about it, the leds are in 3 banks (20x reds, 20x 6500k whites, and remaining 6500k and 6200k), but all 3 banks share a common cathode. This means I'm going to need to make cuk drivers to run them
 

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darkroom lights?
Maybe but only good for B&W photography...

Another weird thing about it, the leds are in 3 banks (20x reds, 20x 6500k whites, and remaining 6500k and 6200k), but all 3 banks share a common cathode. This means I'm going to need to make cuk drivers to run them
Since 6200K and 6500k normally have very little visual (but I suppose a possibly higher spectral difference) it is also odd..
How about a photo?
 
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