DIY with Quantum Boards

lukio · Mar 10, 2017

robincnn said:
Yes QB288 and QB 304 have same hole pattern
Slate 1 listing has been updated.
Will list stuff at 9pm. Updating numbers till then

no shipping to the uk dude? is that right?

Crazaer · Mar 10, 2017

Pulled the trigger. Now, which A series driver for 3 boards?

1KTrees · Mar 10, 2017

Crazaer said:
Pulled the trigger. Now, which A series driver for 3 boards?

Depends on how many watts you want for your space. 3 boards on a single drive is a little different with 54v version.

nl5xsk1 · Mar 10, 2017

Day 40 @12hrs. Cherry pie. 4 quantums running on a HLG 320-2800A, turned down to 330Watts@ wall, might be a bit much! 24" above plants, time to lower light, a bit, and drop back to 300W, learning curve! First time scrogging. Small foot print, light railings are 34"×44", and screen is 3'×3'

Crazaer · Mar 10, 2017

1KTrees said:
Depends on how many watts you want for your space.

Close to max, I would think, for my 2x4 tent. I also have a supplemental row of Cree xml-2 warm whites, from a rapidled kit.

greg nr · Mar 10, 2017

Yeah, I got two of the 54v boards. Specs say a 2800 to get close to 140 watts.

But my question is can these be cut down the middle to make 2 boards out of 1? I have a 3x3 tent, and 4 boards will be easier to space then 2.

They have 2 + and 2 - connectors on each board, so it looks like they can be cut with no issues....

blueleafjedi · Mar 10, 2017

you dont ship to the uk?! (as the 4k's sell out)

1KTrees · Mar 10, 2017

Crazaer said:
Close to max, I would think, for my 2x4 tent. I also have a supplemental row of Cree xml-2 warm whites, from a rapidled kit.

If you have the slate 1 sink you need to be under about 100w per board. So about 1800mA to 2100mA max each.

Crazaer · Mar 10, 2017

1KTrees said:
If you have the slate 1 sink you need to be under about 100w per board. So about 1800mA to 2100mA max each.

Fair point. As close to that as possible, then, with the option to dim down to ~90w/board. I recall @robincnn saying that was the sweet spot for the 304s on the @Growmau5 chat video.

pop22 · Mar 10, 2017

Just built one with the same driver:

Paka978 said:
Thought I'd share my 4 board rig for my 2 x4 tent I'm running it with 320h 2800b driver... can't wait to hang it

1KTrees · Mar 10, 2017

Crazaer said:
Fair point. As close to that as possible, then, with the option to dim down to ~90w/board. I recall @robincnn saying that was the sweet spot for the 304s on the @Growmau5 chat video.

With 3 54v boards you may need 2 drivers. Doing them in pairs Ill use
HLG-240H-C2100B
And
HLG-320H-C2800B is about max for 2 QB and heavier heat sink

robincnn · Mar 10, 2017

lukio said:
no shipping to the uk dude? is that right?

blueleafjedi said:
you dont ship to the uk?! (as the 4k's sell out)

I only added US Shipping rates so far on HLG website.
Sorry did not have enough inventory for international sales.
Just added UK shipping rates for small orders.
Will add PR, Alaska, EU, Canada before next batch

last 5 pcs 3000K QB288 left. sorry No Heatsinks

first few orders got free shipping as rates were not set properly :wink:

robincnn · Mar 10, 2017

greg nr said:
Yeah, I got two of the 54v boards. Specs say a 2800 to get close to 140 watts.
But my question is can these be cut down the middle to make 2 boards out of 1? I have a 3x3 tent, and 4 boards will be easier to space then 2.
They have 2 + and 2 - connectors on each board, so it looks like they can be cut with no issues....

Yes you can cut QB288 in center along red line.
but voids all warranty

1KTrees · Mar 10, 2017

robincnn said:
Yes you can cut QB288 in center along red line.
but voids all warranty
View attachment 3903688

Does that make it a 27v board? That could be a game changer.

robincnn · Mar 10, 2017

1KTrees said:
Does that make it a 27v board?

No. voltage for 1/2 board will go up for given wattage as diode count went down

1KTrees · Mar 10, 2017

robincnn said:
No. voltage for 1/2 board will go up for given wattage as diode count went down

Back to about 108v or it needs to be tested?

robincnn · Mar 10, 2017

Crazaer said:
Pulled the trigger. Now, which A series driver for 3 boards?

for 2x4 with 3 boards.
HLG-240H-C1400A for 3 board in series
HLG-240H-54A for 3 board in parallel
HLG-320H-C2100A for 3 board in series

robincnn · Mar 10, 2017

1KTrees said:
Back to about 108v or it needs to be tested?

Don't cut it in half please

If you do want to proceed. I will need more info about driver and number of boards to calculate voltage for you.
If you cut QB288 in half the voltage will remain around 50V-56V, depends on driver current.
QB288 is 18x16, when you cut in along the line i told you then it will become 2 pcs 18x8
18 remains constant and this is what determines the voltage.... mostly....... then there is drive current tooo

1KTrees · Mar 10, 2017

robincnn said:
for 2x4 with 3 boards.
HLG-240H-C1400A for 3 board in series
HLG-240H-54A for 3 board in parallel
HLG-320H-C2100A for 3 board in series

HLG-320H-54B looks like an option for about 108w per board

robincnn · Mar 10, 2017

Sorry all DIY Board stock is sold.
I apologize for those who missed this small batch.

Steve and I are working hard to ensure we will have plenty of boards and heatsinks soon.
There will be cool blue color heatsinks, new Slate 3 design , more slate 2 doubles and lots of cool stuff to make up for the delays
Small batches will be announced in this RIU thread.
for lager batches you will receive an email if you have entered you email ID here
https://horticulturelightinggroup.com/collections/diy/products/qb288-quantum-board
Thank You

DIY with Quantum Boards

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