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Cheers man. Thanks so much for the info, apologies if the question had been asked million times before. I tried searching before posting but was struggling to find any relevant posts. Makes a lot more sense now Hope yours and @alesh 's super informative responses help others as much it help me...

Hey guys, would appreciate some advice, hopefully is an easy answer for you jedi masters. I currently have 4 cxb3590 cobs (36 v CD) being powered by a hlg 185h-c1400b. Actively cooled by 4 Arctic Alpine 64 Plus fans. Just picked up a decent watt meter to test the consumption of the panel I just...

Thought I'd share a reply I got from Arctic, just if any one is unsure about the wiring for the new version of the Arctic Alpine 64 Plus. Also they confirmed reverse polarity will destroy the fan. "The wire assignment for latest version of Alpine 64 PLUS as below: Black - Ground Yellow - +12V...

I have one, I just originally thought it wouldn't harm the fan to be wired in reverse polarity. I was obviously wrong..

Good thread, thanks for all the info guys. I too fucked up wiring and blew all four Arctic Alpine 64 Plus fans in a split second using a regulated 12 volt 1.25 amp wall wart. Was pretty shattered as now I have to wait a week for replacement fans to arrive from Hong Kong, but shit happens and...

Hey man, how did you find these fans? After re-reading this thread in an attempt to properly digest all the information, I reckon you nailed it and I'm going to take yours and @SupraSPL 's advice. I'm going to go the actively cooled CPU cooler route to start with and may experiment with a...

Thanks for that info man, waiting to hear back from fastron regarding pricing. Still undecided if I'm going to go active or passive. What are people's thoughts? Will just be starting with 4 cxb3590s running at 50watts each powered by a HLG-185h-c1400. Will only be growing 2 (3 max) plants at a...

Awesome, thanks @SupraSPL :) Would the H42 profile be any good for passive cooling or would you recommend I take the active cooling route? Thanks again for all your help, really appreciate it. Super excited to start building my panel, will definitely post some images in the coming weeks :bigjoint:

Hey man, yep will most likely be ordering from these guys :) stumbled across their discount code thread a couple days ago and couldn't believe they are local. how did you go with your fastron heatsink, is your fixture actively or passively cooled? Would be keen to see more close up images of...

Thanks so much for taking the time to upload those charts man, that is super helpful :) @klx @Led Newbie Oz Cheers for the heads up guys, will definitely shoot an email through to Fastron. I'm actually based in Melbourne, so I'm hoping I might be able to pickup the order to save on shipping...

Thanks so much for taking the time to upload those charts man, that is super helpful :) @klx @Led Newbie Oz Cheers for the heads up guys, will definitely shoot an email through to Fastron. I'm actually based in Melbourne, so I'm hoping I might be able to pickup the order to save on shipping...

Hey guys, did you guys work out what is the best heat sink option for the people located in AU & NZ? I'm planning on starting with the configuration of (4) cxb 3590s @1400ma powered by a MW HLG 185h-c1400 driver. I would like to create a modular type of fixture design that I can easily expand...