DIY Quantum Boards Vs CXB3590

Discussion in 'Do It Yourself' started by sciongardens, May 16, 2018.

  1.  
    sciongardens

    sciongardens New Member

    Hey All,

    I'm new to the forum, and new to the DIY LED Scene. My apologies if this is out of place. I started out looking at building a cob setup, and have started leaning towards QB's. I have no first hand experience with either one. The space I'm flowering in is 2.5' Deep x 6' Wide x 7' tall (minus an inch or two).

    Firstly, what are your thoughts on QB's vs. CXB3590's?

    For my space i was looking at the following passive cree setup (excluding holders/ rails / hangers) .

    4 Cree CXB 3590's (2700k 80 CRI) driven by Mean Well HLG-240H-C1400B

    6 Cree CXB 3590's (3500k 80 CRI) driven by Mean Well HLG-240H-C1050B

    on 10 black anodized 140mm pin heatsinks

    As for QB's, I'm struggling with coverage and power. I'm wondering how many QB's I should run for best results?

    Thanks in advance for your input /assistance.
     
    Last edited: May 16, 2018
  2.  
    GreenLogician

    GreenLogician Well-Known Member

    I hear that QB's are still top of the line, but CXB 3590's have been outdone by other, newer cobs.
    They are the most famous and were about the best when they came out, but their output per watt drops off at higher powers, by about 20% compared to other top of the line cobs.
    You don't need to be getting lots of cobs and dimming them way way down anymore, 3590-style. (Or so I've heard)
     
  3.  
    SCJedi

    SCJedi Well-Known Member

    Wait a week or two for V2 of the Quantam boards to come out and get those.
     
  4.  
    Airwalker16

    Airwalker16 Well-Known Member

    4 CXB3590's will fit on an HLG-240H-C1750B. Fyi
     
  5.  
    sciongardens

    sciongardens New Member

    You are absolutely right. Thanks
     
    Last edited: May 16, 2018
  6.  
    sciongardens

    sciongardens New Member

    Thanks for the response. When you say other newer cobs, are you talking vero, Bridgelux?
     
  7.  
    sciongardens

    sciongardens New Member

    SCJedi, Thanks for the tip. I've tried to find info on their upcoming release, but Ive not found a word of it. Anymore Info?
     
  8.  
    SCJedi

    SCJedi Well-Known Member

  9.  
    GreenLogician

    GreenLogician Well-Known Member

    coreywebster likes this.
  10.  
    sciongardens

    sciongardens New Member

    @SCJedi thanks for your input, I ordered 4 QB288's V2 3000k with slate 2 heatsinks this afternoon for this flower space. I'm still not 100% on what driver I should be using. I was looking at wiring the 4 in series, and using a dimmable driver. HLG-240H-C1050B, or HLG-320H-C1400B, is where my head is at based on HLG's QB288 Board guide. The board guide covers version 1 though, so I'm unsure.
     
    Last edited: May 18, 2018 at 9:26 PM
  11.  
    SCJedi

    SCJedi Well-Known Member

    I havent looked at the specs yet so i cannot say 100%. You can also post in the DIY Quantam Boards thread i linked above. Someone there can probably answer you faster than I can.
     
  12.  
    sciongardens

    sciongardens New Member

    Thank You!
     

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