DIY with Quantum Boards

[The_Dude]

Can anyone tell me the cost of the CB288's, I am trying to budget.
Robin: Any idea when the next batch are coming? I missed the last batch, ugh.

 

[greg nr]

Can anyone tell me the cost of the CB288's, I am trying to budget.
Robin: Any idea when the next batch are coming? I missed the last batch, ugh.

They were $75 each, same as the 300's.

 

[Crazaer]

They were $75 each, same as the 300's.

Robin did mention, a while back, that the next batch may be priced lower, FWIW.

 

[pop22]

Put my light on a watt meter today. 363 watts at the wall!

 

[1KTrees]

Put my light on a watt meter today. 363 watts at the wall!

How did you wire them up? 2 series sets in parallel?

 

[pop22]

all 4 in parallel. Thats with no dimmer so running full bore on a 320H-C2800b

How did you wire them up? 2 series sets in parallel?

 

[Crazaer]

all 4 in parallel. Thats with no dimmer so running full bore on a 320H-C2800b

Do you have slate 1 or slate 2 on them, and how hot are they at the heatsink?

 

[1KTrees]

all 4 in parallel. Thats with no dimmer so running full bore on a 320H-C2800b

2800/4= 700mA
54v x 700mA = 37.8w each
37.8w x 4QB = 151w total
Looks like you aren't using that driver up to its potential. Usi g 363w to get 151w in output.

 

[REALSTYLES]

2800/4= 700mA
54v x 700mA = 37.8w each
37.8w x 4QB = 151w total
Looks like you aren't using that driver up to its potential. Usi g 363w to get 151w in output.

I think he's doing parallel series like I did with my 240H 2100B that pulls 249w from the wall

 

[1KTrees]

I think he's doing parallel series like I did with my 240H 2100B that pulls 249w from the wall

Hopefully but I am not a mind reader so I only have the info that was posted.

 

[robincnn]

2800/4= 700mA
54v x 700mA = 37.8w each
37.8w x 4QB = 151w total
Looks like you aren't using that driver up to its potential. Usi g 363w to get 151w in output.

I think he has 4x QB304, not 54V

Do you have slate 1 or slate 2 on them, and how hot are they at the heatsink?

pop using slate 2 singles i think
https://www.rollitup.org/t/diy-with-quantum-boards.927159/page-133#post-13405825

Robin did mention, a while back, that the next batch may be priced lower, FWIW.

Sorry board prices will be same for next batch as long as they are S6. The batch after that could see a price drop.
Prices of heatsinks will drop before prices of boards drops

 

[1KTrees]

I think he has 4x QB304, not 54V

Well that works!

 

[MMJ Dreaming 99]

Put my light on a watt meter today. 363 watts at the wall!

Pictures of the lights?

 

[MMJ Dreaming 99]

Which way is the best way to go under a budget to beat a 1000 Watt HPS Single End.

1. 5 QB board set up. 4 square with #5 in the middle. 4 board in a square. Each QB about 16" apart??

2. 4 QB board set up and 3 Citizen 1212 COBs in the middle. Stephen/Robin have 1212's for $15

 

[Stephenj37826]

Which way is the best way to go under a budget to beat a 1000 Watt HPS Single End.

1. 5 QB board set up. 4 square with #5 in the middle. 4 board in a square. Each QB about 16" apart??

2. 4 QB board set up and 3 Citizen 1212 COBs in the middle. Stephen/Robin have 1212's for $15

4 QB 304s on 2 HLG 240H- 1050 is a SE 1000 watt replacement by itself.

 

[1KTrees]

4 QB 304s on 2 HLG 240H- 1050 is a SE 1000 watt replacement by itself.

So 4 54v QB on 2 hlg240- 2100 would be the same?

 

[Stephenj37826]

Yep pretty much. Just different wiring.

 

[1KTrees]

Yep pretty much. Just different wiring.

I thought they was both 2 boards on each driver in series.

 

[pop22]

Slate 2

Do you have slate 1 or slate 2 on them, and how hot are they at the heatsink?

 

[pop22]

I'm using QB304, 100V boards

2800/4= 700mA
54v x 700mA = 37.8w each
37.8w x 4QB = 151w total
Looks like you aren't using that driver up to its potential. Usi g 363w to get 151w in output.