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How To Build The Perfect Spectrum Led Light.

Discussion in 'Lighting' started by Stan510, Jan 18, 2020.

  1. Stan510

    Stan510 Member

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  2. Phishless

    Phishless Lifetime Member
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    This has been done many ways.
    Been building these for years.
     
  3. Stan510

    Stan510 Member

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    Any Barr Report tutorials?
    Nice light...for a cube or olden days hexagon?
     
  4. Phishless

    Phishless Lifetime Member
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    I put them in tank canopy.
    300 watts worth over my 80G frag tank.
    Every heat sink has 6 - 15K whites, 6 - full spectrum, 1 - 460nm, and 1 - 520nm
    Reflection on water surface
    [​IMG]
     
  5. jeffkrol

    jeffkrol New Member

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  6. GreenTerror

    GreenTerror New Member

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  7. jeffkrol

    jeffkrol New Member

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    Mouser or Digikey.
    Smaller version (spectrally so close as to be possible measurement error)
    Part of their sunplus series.
    https://www.stevesleds.com/Luxeon-SunPlus-Cool-White_p_355.html
    Be aware of the large beam angle though. Probably best to use reflectors or really close to the water surface.

    One thing though LED tech is really moving fast and Bridgelux has a COB/chips that are equiv or dare I say better.

    Vesta Thrive series.
    Available at Mouser or Digikey.

    https://bridgelux.com/products/vesta-thrive
    [​IMG]
    Apparently runs 2 types of blue plus phosphors in each COB.

    If one wants some added spectrum one COB to look at is Lumileds "crisp white"
    Lower K temp (3000-ish) but adds some violet on the COB to "whiten" things.
    Some people may appreciate the violet..

    https://www.lumileds.com/wp-content/uploads/files/DS168-luxeon-cob-with-crispwhite-technology-datasheet.pdf
    [​IMG]



    Pairs of "fresh fish like" and crisp white are a pretty good one two punch.

    3.5:1 (on a lumen basis) Fresh fish and crisp white estimate:
    [​IMG]

    One CRI basis Crisp White/Bridgelux doesn't chart as good no matter the ratio.
    Doesn't make it bad, just different.
     
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