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I've looked but had no luck finding any. Are 80/20 aluminium extrusions available in Australia?

Hey VegasWinner, Your post above got me curious so I started Googling single drivers, including the DT-PF1005 in your link above. From what I have found, this driver is not dimmable. Have you found a dimmable driver to run a single [email protected]? Thanks.

@welight Hi Mark, I wanted to price the LPF1180-CUT Heatsink but when I went into Checkout and applied the CUTANDROLL coupon no discount was applied. Any reason CUTANDROLL isn't working for this item? I also notice that your LPF1180-ZHE-C heatsink is the exact same heatsink but the holes are...

Because the kit contains: 4 pcs Cree CXB3590, top bins only 4 pcs Ideal 50-2303CR CXB Holder 4 pcs Ideal 50-2300AN Adapter for the Ledil ANGELINA 4 pcs Ledil Angelina 90 Degree reflector 4 pcs Graphite Thermal pad(TIM) 1 side adhesive for simple assembly on the COB 1 pc LGSU-1400D, Dimmable...

http://www.pairuigroup.com/upload/file/20150720/LGSU-200C.pdf

Hi Mark, Any idea as to when these heatsinks will be available and at what price? Also, when will you be getting some more LSB9980-B? Also, I'm looking for alternatives for a Mean Well HLG-185H-C1400B to run 4 x [email protected]. Is your Pairui LGSU-200-C1400 suitable, and if so, when are you...

Well I'm at that stage where I need to know how to do this as well. I don't have a photo, but I made a pretty picture. So if I understand this correctly the above is how we wire in the potentiometer and resistor in order to use the dimmer feature of the Model B Mean Well Drivers...

Thanks Mark, I think I've got my heart set on the Jaycar Silicone wire. Unless someone says otherwise I reckon it should be fine. http://www.jaycar.com.au/Wire,-Cable-&-Accessories/Hookup-&-Power-Cable/General-Purpose-Hookup/Heavy-Duty-Silicone-Hook-Up-Wire-10m-Handy-Pack-Red/p/WH3035

I need a 10 metre length.

Using this chart: http://www.firemountaingems.com/resources/encyclobeadia/charts/6404 18AWG measures out to 1.02mm wire, so any solid cored or multi-strand cored wire measuring 1mm will do the job. Or is there more to it? Thanks

Sprinkler wire is hard to come by here, or it's called something else all together. Regardless, I couldn't find any. So I've chosen 7 core trailer wire. Heaps of the shit available...

Thanks Airwalker, Perfect answer.

Thanks Airwalker, Forgot to mention, again, I'm in Australia, so we don't have a Home Depot, we have a Bunnings. You say "solid core". Does this mean the stranded silicone stuff I have linked to above is not suitable and the correct wire should be solid core? I would also like to know if...

Hey All, Hopefully this is a good place to ask this question as it's related to powering COBs. I plan on running 4 x CXB3590 @ 1.4A using an HLG-185H-C1400B Driver. I wish to mount the driver about 3-4 metres from the canopy where the COBs will be mounted. Will 18AWG Silicone Wire be suitable...

Thanks for your input Pop22. Lots to learn here, so good luck on your journey. I've considered using a thermal cut off switch but have put it low on the list of solutions based on assumptions which I should probably clear up. If a single COB fails in a string of COBs, what happens to the...

Yep. My concern was loosing a COB if the fan went out. Agree about heatsink prices in Oz. I've considered the same manufacturers as you and I've been focusing my preference towards the Fastron H42 profile, which I'm now thinking will be overly efficient for the lengths I need. Calculations...

I like your idea about splitting the length in two and spreading the COBSs further apart. That would definitely give better light distribution Before discounting CPU coolers, could someone please tell me what would happen if I had a [email protected] generating 21.33 Heat Watts attached to a CPU...

Driving the CXB3590s softer @ 1.4A means less heat to dissipate which has now opened up the possibility of eliminating the CPU fans and going for passive heatsinks, my preferred choice, but I need a few more pieces of the puzzle. I have 860mm x 500mm of floor space to work with and I'd like 2...

Fixed. Thanks. At some point during this thread is was pointed out that the the W/ft² standard was more for the HID/Sodium type lighting and for COBs we were more interested in the PPFD value, so I lost focus on W/ft². That now makes two posts that have commented on my solution. If there...

That exact argument has been going through my head for a few days now, but I keep thinking with a 7 foot high cabinet, and not growing a SCROG, maybe it could get better penetration at 1378 PPFD, or is my thinking wrong and 1378 PPFD is just overkill? Apologies for all the questions. When I...