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B it is then, last thing I want is that dimmer stripping LOL

The C it is, I just want to manually dim. One less thing to solder and buy. Thanks for the input!!

The meanwell drivers: The B series gives you the option to install a custom potentiometer. The C series has one built in right? Any other reasons to get a C over a B or do I pretty much have it? Also, do mounting screws come with the holder or the pinfin heatsink?

What's a good source of wiring for the cobs? Any specific type needed for the holders?

Do you plan to stock cxm22s in the 3500k spectrum?

Where can I find the CMX22's 3500k's? I can't find them anywhere. Now that I finished my build, just gotta find where to get the COB's

Finally solidifying my build 1x HLG-320H-54B 6x CXM22 3500k 80 CRI (Is this the right CRI to get?) 6x 120mm Pin Fin 6x Ideal Holders Left out the miscellaneous stuff, TIM, wiring, etc Now just questions about the driver Do I just buy a 3 prong plug to wire into the driver, to plug in the...

In soil and scrog? You use any nutes? Any tips?

What's the point of diminishing returns?

Oooo this might be a sweet spot. This enough light, the 6 @ 1000ma for a 4x2' closet?

But what I want to do is run 6 @ 1400ma, then expand later into 12 @ 700ma and still be able to use same drivers if that makes sense Oh god those drivers are so expensive. I got to downsize this a bit bleh.

Last question! Drivers are expensive, are there any 2 drivers that can power the following: Can accommodate both scenarios: 6 cobs at 1400ma, and 12 at 700ma? Obviously it would be dimmable.

Kind of a vague question, how much money would be saved per month running the cxm22s at 700ma vs 1400ma? Assuming 6 cobs, 18hrs a day, 30 days? 17 cents/kWh Been struggling on figuring out if it's worth going more cobs less amps for efficiency

That's so many lights! You using pin fin heatsinks or bars?

Now I'm getting into the details on my planned cob build. Spring is coming, and I don't foresee any other cobs coming out that will be better than the CMX22's 4 x 2ft grow area CMX22 3500k 6 @ 1400ma with 163mm pin fin OR 8 @ 700ma with 120mm pin fin Can someone show me calculations for...

@CobKits Do you plan on selling any pre built frames for ease of building? Kind of the last thing I need to plan out. Would be cool to be able to buy a piece of sheet metal with holes for the engines.

Perfect!!! Exactly what I was looking for. Would 2 be over kill? One above and one below the canopy?

In a 4x2x8 grow closet, there isn't much airflow. This closet won't be sealed either, so I figured just having good airflow would do the trick. Since the fans will be on 24/7, I'd like to pick out the best fans for my situation. I currently has a Lasko Box fan, however it's big for the closet...

Ooooh... I was under the impression the amps are constant...I guess those must be constant current. Anyway I'm done derailing this amazing thread :) I'll keep an eye on that driver when I get to building and ordering.

Soooo perfect!!! How can you tell it can run 4 like it says on the site? I'm going to graph some CFM/W numbers from household fans compared to larger PC fans.