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sounds like its growing well and ready to transplant

cxb2530 t2

https://cobkits.com/product/cxm22-light-engine/ 1 of these per room on those drivers to slightly bump up your watts, 3000k 90cri to get the red you're looking for. just a thought

Sounds like 3 for the price of a qb 288, fitting for the amount of diodes... samsung diodes :dunce:

Is your tray in the open? the 260 xl kit will certainly do well in a 2x4 tent

Was looking at 96 diode strips from not hlg so I decided I'd inquire with hlg about their 96 diode strips. Would be awesome to run 6 retrofit to a mars 300. A bit pricey at that current ( ~700ma) but they'd be powerful. After that I thought of running 10 qb96 on an hlg 240h-c1050 I really...

Looks like you figured it out

SI-B8V121530WW Apparently Samsung make an 8 row 198 lumen/watt pcb. Lm561b+ 21.7v 570ma. Max 2.88Amp. 25 use ea roughly. Minimum order of 40. Probably a better bet than Alibaba though

Message them thru their site contact with your original order number they may help.

The same 288 you will be flowering with Will out veg the t5 set ups

Not sure on the 1 plug deal. The 2 drivers in my (garbage) mars 300 run on 1 plug, would be handy. Can wire multiple of your drivers in a 220v junction box kinda deal. Idk if it's actually called a junction box, but I saw pictures so I guess it happened. I have personally wired in 2 qb 288 in...

Wire driver positive to "board A" positive, bring a new wire from board A negative over to board b positive, attach a new wire to board B negative and connect to driver negative. Repeat for your other 2 boards. Go buy 2 more boards and fix them in the middle ( maybe)

4 of the 6 are one 2 hlg-185h-c700a and wired in series. Running fine now after 30hrs no break. The 2 boards that were running on the hlg240hc1400 in parallel.... ( assuming that makes 700ma ea) well one anyhow, started cackling when I plugged it in. So not running that.

I'm a bit embarrassed to admit it but yes I have bought cheap china 304diode pcbs. They may or may not be lm561c diodes. They are defo 100% low quality. Minimal copper between diodes. I have paid hlg for 5 qb 288 ( 135w kitt + 4 boards and 2 xl heatsinks) and 4 qb 120 ( bought the dc jack...

2-3 ft at full works for me. Haven't bothered to lower the power

If I don't use all of the available voltage on a driver will the driver draw less than max power?

That's the qb120 mate well oops. Disregard that

I can confirm this.

Im a bit bored and curious. Just about have all of the parts for my build. not sure what kind of wire Im going to need to wire: 8 cxb2530 at 700ma. Using Hlg 185 c700b. Can anyone recommend the wire to use with that? Also I'm not too sure about what dimming device (lol) i need. I haven't...

USD$45.99 for the 3000k chip and holder, doesnt seem too far off average. not that I'd take my advice on this subject.