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You can just go for the BXRC-30G10K0-C-73-SE and use them in veg and flowering.

Your thing is a bit confusing. When you have one driver and wanna do two series and parallel LEDs the same two ends (+/-) are connected together. + ---A->B--- - + ---C->D--- -

This bar is to short for a 4x4 tent. A 1m long bar should work better.

Just checked data-sheet. The 3k C version should have more lumen on the same power than the 4k D version. Is there a redshift which lowers the lumen?

@Shinsou: nope + ---A->B--- - + ---C->D--- - (no connection between A/B and C/D) @linky: This is the C Version 80CRI.

two leds in series, two parallel, every led gets 67V and 1050mA.

320H-C2100A is a little saver, only half the voltage. BXRC-30G10K0-C-73-SE is the way to go. Just compared the 660nm emission between 80CRI & 90CRI (3000K). 90CRI has 75% more deep reed than 80CRI, same color temperature.

Anyone have the spectrum from 3.5k and 4k 90 CRI Veros? A little bit of uncertainty is in the air. A live test between 3k and 3.5k would be nice.

The red spectrum part is nearly the same in 3000k/3500k, a bit more energy is used in the blue part.

For Flowering BXRC-30G10K0-C-73-SE is a huge improvement over the 3.5k D Version. You should return. The D Version is the worst of the Veros. :D

I would suggest 2x BXRC-35G10K0-C-73-SE (150W) and 4 BXRC-30G10K0-C-73-SE (320W) 3k has better flower performance, 3.5k better veg performance.

Vero 3k 80CRI vs 3000k 90CRI vs 3.5k 90CRI would be a nice comparison. There is no spectrum of the 3500k 90CRI, but the red part should be nearly the same as the 3k, (black body with 3500k has its wavelength peak at 800nm) only the blue peak should be a bit higher and wider. Could be a good...

I ordered 3000k 80CRI, but after reading I am not sure if 90CRI is better?

Anybody waiting for the Vero 29 SE C 3000k on digikey, too? Should shipped yesterday. :(

I wanna only use the 4k in vegi. For flowering I wanna add the 2.7k. The reason is to have a panal, which is good in vegi and flowering.

Has anyone tried 4000k+2700k in a ratio 1:1 for flowering or should I go with the 4000k+3000k mix? Has the 2700k or the 3000k more µmol/W?