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View Full Version : Lighting/ LED Par 38 Lamps



Hopkins
03-02-2010, 09:09 PM
I am throwing around the idea of lighting my new tank with your LED lamps.

The tank will be 36x24x18 and house mostly SPS. How many lamps would I need?

evilc66
03-03-2010, 09:30 AM
I would say at a minimum 6, and they would be staggered front to back as they went along the length of the tank. That is so that you get better front to back coverage. I'm running 4 on my 40B (36x18x16) with 40 degree optics, and it barely covers the tank front to back. With the extra 6" of width that you have, you need a few more. If you keep everything on tracks, you can add or change the setup as you need. You may find that 6 isn't enough for what you need.

iyachtuxivm
03-03-2010, 11:05 AM
What if you changed the optics? Would that cut down on PAR? And if so how drastic would the drop be?
I love learning!

evilc66
03-03-2010, 03:25 PM
Increased coverage from a wider angle will always decrease PAR. The severity of that change will depend on how drastic of an angle change you do.

pjr
03-22-2010, 07:30 PM
Where can you find more info and/pr purchase the PAR 38 lamps?

btw, the RC police are really delete happy Evil. They are a bit zealous on you. Geez... You must be encroaching on Grim Reefer's turf. :)

ReeferRob
03-23-2010, 09:01 AM
Where can you find more info and/pr purchase the PAR 38 lamps?

btw, the RC police are really delete happy Evil. They are a bit zealous on you. Geez... You must be encroaching on Grim Reefer's turf. :)

That why WE gave the evil mad light scientist his own forum! Light it up Evil!!

evilc66
03-23-2010, 10:07 AM
Where can you find more info and/pr purchase the PAR 38 lamps?

btw, the RC police are really delete happy Evil. They are a bit zealous on you. Geez... You must be encroaching on Grim Reefer's turf. :)

I got three infractions for the stupidest crap in less than a week. The last one was for saying I wasn't going to be able to post on that thread any more! Apparently I'm one point away from getting punted. No big loss IMO.

Anyway, on to the info:

These can be purchased at Nanotuners/Nanocustoms (same company for those that are confused by this). We have a sponsorship in place, but my boss hasn't sent over the banner yet, which is why you don't see us in the sponsor section.

Here is a quick rundown of the features:


E26/27 medium base socket (same as all household lamps)
90-240v AC input for worldwide use without converters
Cree XR-E series LEDs
Very efficient heastsink
'12K', '20K', all blue, and all red color options available (new '20K' color temp coming soon too)
All lamps available with 40 degree (standard), 60 degree or 80 degree optics
High PAR levels with low power consumption


PAR levels are high, but can be tailored to the needs of the tank with different optics and height of the lamp above the tank. Here are some PAR plots that were taken on the 12K lamp. The 20K plots are the same, as color temperature doesn't affect PAR levels like it does with other light sources.

http://i261.photobucket.com/albums/ii45/evilc66/14in40deg.jpg
14", 40 degree

http://i261.photobucket.com/albums/ii45/evilc66/20in40deg.jpg
20", 40 degree

http://i261.photobucket.com/albums/ii45/evilc66/30in40deg.jpg
30", 40 degree

http://i261.photobucket.com/albums/ii45/evilc66/14in60deg.jpg
14", 60 degree

http://i261.photobucket.com/albums/ii45/evilc66/20in60deg.jpg
20", 60 degree

http://i261.photobucket.com/albums/ii45/evilc66/30in60deg.jpg
30", 60 degree

http://i261.photobucket.com/albums/ii45/evilc66/14in80deg.jpg
14", 80 degree

http://i261.photobucket.com/albums/ii45/evilc66/20in80deg.jpg
20", 80 degree

http://i261.photobucket.com/albums/ii45/evilc66/30in80deg.jpg
30", 80 degree

Now, these numbers are taken in open air, so expect to see about a 10-20% increase in PAR from focusing of surface agitation and internal tank reflection.\

I'll post some more pictures of the lamps when I have access to my Photobucket account (blocked at work).

koralkrab125
03-23-2010, 04:20 PM
i am interested in led since i need an upgrade, i have heard a lot about you making led setups for people but havnt ever seen any pics of them, that would be nice. i might be interested in getting a led setup made

ReeferRob
03-23-2010, 06:15 PM
i am interested in led since i need an upgrade, i have heard a lot about you making led setups for people but havnt ever seen any pics of them, that would be nice. i might be interested in getting a led setup made

Evil has his very own forum in the "Discussion with the Experts" area "Ask Evil" there you should be able to find tons of great info including some killer pics by the man himself!

pjr
03-23-2010, 08:09 PM
I got three infractions for the stupidest crap in less than a week. The last one was for saying I wasn't going to be able to post on that thread any more! Apparently I'm one point away from getting punted. No big loss IMO...

There is no ability to discuss and reason with the vast majority of RC mods. Mucho and wolverine are reasonable guys, but every RC mod that i have interacted with are off the hook to the other extreme. Best to say OK and move on before the guerrilla tactics are enforced.

evilc66
03-23-2010, 09:33 PM
i am interested in led since i need an upgrade, i have heard a lot about you making led setups for people but havnt ever seen any pics of them, that would be nice. i might be interested in getting a led setup made

Sorry bud. I'm in no position right now to make anything custom for anyone. I just don't have the time.


There is no ability to discuss and reason with the vast majority of RC mods. Mucho and wolverine are reasonable guys, but every RC mod that i have interacted with are off the hook to the other extreme. Best to say OK and move on before the guerrilla tactics are enforced.

It's sad that the site has become patroled by people like that. The constant censoring of sites that they don't like is pathetic too.

fishtal
05-05-2010, 09:09 PM
Looking at the graphs you posted it looks like one of these would work on my 12G nano that I asked you about... am I correct?

evilc66
06-21-2010, 02:15 PM
Sorry for the long delay tal. It's been a tough few months with family issues.

A single can work over a tank like that. 60 or 80 degree optics would do the job, depending on what you are keeping, and how high you want the lamp off the water surface.