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The 2 X 260 would be the same as the 550 and more economical if you don't mind DIY.

How would a kit with the name 243.1 kit (depending on led forward voltage of course and your particular driver) lol. They indeed used to pull 285+ at the wall but as the LEDs have changed and VF has went down they have gained output while lowering power consumption.... win /win. At some point...

That's output..... Driver loss is around 6-7% so they pull in excess of 260 watts. Most lighting is listed at power draw.

Well let's see those sphere reports with 2 umol/j green LEDs. Besides that's not me I have one account not multiple....... You have called me a "coward" and basically a liar on multiple occasions. I guess I got fed up with it and just called out the truth. I'm not ashamed of my past.... How...

Oops I didn't realize. @hybridway2 if you would like I'll delete my posts.

Start here grasshopper https://www.rollitup.org/t/math-behind.868988/ The QER of this particular mono green is just guessing 4.3 umols ish. I don't have the time to digitize the spectrum and get exact numbers but it's close enough to realize that the best mono greens are well south of 1.5...

Also please do share the green monos that are 2.0 umol/j at temp. Please really. Osrams Olson is 945 mw input power and 254 mw output power at 25c...... So before thermal droop the green is roughly 26.8% efficient...... 5% more loss at 55C which is Tj active cooled on a high power. that's not 2...

@scammie @Specktrum Calling your light board "quantum" ....... Classic Just keep it up..... Gonna make this contest even more satisfying. I'm gonna drop some news on you in the near future that's gonna shut that mouth real quick. Just can't talk right now as government contracts are a...

You can actually generate more green with white per watt than monos pretty much and get all the other light for free.....Cost wise at least. Especially 70cri.....

Inventronics..... all of our 600 kits for the past year have been CC.

As I have discussed in other threads a standard gonio treats the fixture as a point source. To get an accurate simulation you need to be 3 times the longest light emitting surface away from the measuring plane. So take a 24" fixture that has LEDs at 20" from outside to outside point. The...

Yes, we will be sending TekniK some of our products..... Do you honestly think I have not sent every fixture we sell to the Gonio? Thus far they have all been inaccurate so why would I publish the data. Maybe Tekniks equipment is a different animal thus the reason I'm sending him some things to...

Yes. A big shipment of heatsinks got really damaged in shipping.....

The R-Spec is 3500k lm301B +660 Osram Olson SSL

Have you contacted Growerslights? They should send you replacement parts. Our warranty email is warrantyhlg@gmail.com

The trinity (actually Trident) is a 4k +630+660. Its spectrum is similar to the qb96 elite v2s but at nearly 3 umol/j system level. The white LEDs on hybridways sample are a year old. The prototype has been around awhile. At 1500 umol+ it's a bunch of light for sure.

Yeah I even advocate for a UPC battery backup on the air pumps. It is expensive to get it right for sure. Lowers the time in the garden if you are short on it.... Lol

Gonio and sphere should give accurate total output measurements. As I stated in another thread IES files from a gonio are not really accurate as they treat the light as a point source. The simulation will not be correct unless the distance from the measuring plane is greater than 3 times the...

Most labs calibrate quite often. I'll look at our reports they all list last calibration date.

The LEDs on the 324 are V1..... I would think at the very least there is a 12%+ efficiency bump with v3f1. V1F1 was super expensive at the time and didn't handle much current. Also at lower currents the 6 volt didn't keep gaining like the parallel 3 volts. In real world usage the 3 volt and 6...