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  1. dirtyoldb

    New loft build 4 x 2 LED (lm301) (xpg 3)

    Driver needed for running 12 strips. Not 100% sure before I purchase. Min 1.0a Max 1.6a Min 10v Max 13v Min 10w Max 13w 12 strips max power 156w 12 strips Max fv 156v HLG 185 C1400A max 143v (parallel) HLG 240 C1400B max 173v (series) Any advice on efficiency, which is better to run...
  2. dirtyoldb

    New loft build 4 x 2 LED (lm301) (xpg 3)

    Here is my little design for my home build thanks to some wise folk on here. All their knowledge and insights have made me move from Migro 100 to my very own homemade LED light. Samsung lm301 are the strips(so2 3k) Big red circles are Cree xpg-3 deep red (G01 660nm) 4 diodes on a round pcb...
  3. dirtyoldb

    Lumatek Zeus 600 Pro

    After watching the video again I seen they have the 4% far red (700-780) for 3.5k spectrum. Slightly higher deep red with the aid of orsam diodes, compared to green. With blue about 1/4 PPFD. Very nice design indeed, just like it a bit more around the 3k spectrum miss out the 4k lights that...
  4. dirtyoldb

    Lumatek Zeus 600 Pro

    @ end thanks for that info too. My old lamp is Migro100 before it came more efficient. Was between 100 and Optic 1. Will now use this as a veg lamp adding tent. Thanks for the 3k info also. Be running 301. Just loved the design of the Zeus and its extra reds or red ?
  5. dirtyoldb

    Lumatek Zeus 600 Pro

    @grotbags Thanks for the clearing that up. Yes I was confused about deep red, far red and infrared. Know what the numbers are I want (660) and the odd (730) From the video its shows 2 reds? after every white strip, for 3 runs of white. Followed by 1 white then a single darker red. After the...
  6. dirtyoldb

    Lumatek Zeus 600 Pro

    Thanks for your valuable information. As I'm currently building my very first LED lamp and looking to add the proper amount of Fr (660nm). Which I believe can vary depending on white light spectrum k value. I'm running 3k and from what I have read, Fr (660nm) can range from 2.5% to 11.8%...
  7. dirtyoldb

    Lumatek Zeus 600 Pro

    Very nice reading so far. My concern about this and other newer LEDs is the far red range. Looks a lot of Fr to bump up the numbers. Too much Fr and especially Ir are not good. Judging by the numbers of LEDs per bar. Fr is 7.5% Maximum Fr should be 5%/4%. IR should be on a separate power...
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