Good 660 nm monos
- Thread starter BurgerBro
- Start date
Randomblame
Well-Known Member
I would say,
1. Cree XP-E HE-Series(High Efficacy), photored, 670nm, C01 is Top bin, 425mW@350mA (cutter.com.au)
2. Osram Oslon SSL-120, look for horticulture version that's the top bin T3T4, hyperred, 660nm, 400mW@350mA(led-tech.de)
But I'm sure other brands like Phillips(Rebel Series) or Lumileds have comparable products (SunPlus Horticulture LED's), but have no datasheets..
1. Cree XP-E HE-Series(High Efficacy), photored, 670nm, C01 is Top bin, 425mW@350mA (cutter.com.au)
2. Osram Oslon SSL-120, look for horticulture version that's the top bin T3T4, hyperred, 660nm, 400mW@350mA(led-tech.de)
But I'm sure other brands like Phillips(Rebel Series) or Lumileds have comparable products (SunPlus Horticulture LED's), but have no datasheets..
PetFlora
Well-Known Member
This is inside info from 2012, in response to a query I made on IC. I suppose 660s hae improved a lot since then but also the 630s, which should be a lot cheaper
As one can see, the CREE Neutral White (I call it 'Goldilocks', because it's almost 'just right'
) has a RSPD that still allows nearly ~25% of its total power in the blue range (and plants only really 'need' ~8-10%), and more that 1/3 of which (i.e. the area under the curve) is over ~580nm or so (which has a Photosynthetic RS of over 90%!) - which is much better than even your typical 'Enhanced HPS'.
Couple that with strong white light (green-response chlorophyll extending throughout and deep into leaf structures, with a net effect at or near that of the (mostly) surface-level blue and reds), which also takes care of most of the ~660nm+ you actually need for photomorphogenesis - and you can get by with 630nm reds just fine.
(i.e. 630nm red is ~95% of the PSR of 660nm, AND they currently still have ~20-30% greater radiometric efficiency - as well as being cheaper than the deep reds - so there's more 'bang for the buck'):
Something like that would probably meet the needs of ~95% of today's growers.
As one can see, the CREE Neutral White (I call it 'Goldilocks', because it's almost 'just right'
Couple that with strong white light (green-response chlorophyll extending throughout and deep into leaf structures, with a net effect at or near that of the (mostly) surface-level blue and reds), which also takes care of most of the ~660nm+ you actually need for photomorphogenesis - and you can get by with 630nm reds just fine.
(i.e. 630nm red is ~95% of the PSR of 660nm, AND they currently still have ~20-30% greater radiometric efficiency - as well as being cheaper than the deep reds - so there's more 'bang for the buck'):
Something like that would probably meet the needs of ~95% of today's growers.
Malocan
Well-Known Member
thats wrons nowadays, they have never 20-30 greater radiometric efficency and they arent cheaper dont .... just looks check the datasheet from the manufactors and go check price online.
BurgerBro
Member
Thanks, man! That was exactly the kind of answer I was hoping for! Gives me a good starting point for doing research.
