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  1. CoB_nUt

    Burned up a cob.Heatsink still good?

    So, I'm replacing a burned/cracked cob.After removing the chip I see the heatsink is scorched. I tried cleaning it with Iso and steel wool.No dice. Will this effect the new cob? Is the heatsink still Good? Will those char marks affect the TIMs ability and heat transfer? @Stephenj37826...
  2. CoB_nUt

    Cree CXB 3070 35K AB vs BB bin

    Hello all. I don't like to start threads,but my searches tpdidn't yeild the results I am after. I need to replace a CXB3070-0000- 000N0HBB35H. As well as grab an extra one for situations such as this. I see the AB bins just a about everywhere under $20.00 a pop. While the BB bins are $28+...
  3. CoB_nUt

    Need a lil Qb rig design help!

    Hello peoples! Thought I'd start a thread to see if it helps get some ideas tossed my way. I purchased 8 Qb120's and 2 Hlg 240-2100 drivers. These will go in a 4'x4'x6' tent. I need some rig frame ideas. I'd like a 2 frame system with 4 boards per. Don't have a lux meter at the moment or I...
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