Cree or SSC P4, which is better?

[Flymo]

I want to try to modify my Pentagonlight L2 with a CREE led. (if possible...)
Where and what kind of circuitboard do I need to use a CREE led, or is it better to use a SSC P4 emitter for a better result?
And where can I buy CREE led's and circuitboards (website) ?

Thanks, Kind regards.

Flymo

 

[Ra]

The only thing I can tell you is that, reading through these forums, I would go for the SSC P4 !!

Everywhere remarks show up like: "impressive" and "WOW" and :duck:

The SSC is build more like the earlier Luxeons I and III with one difference: It has a silicon-dome! So it retracts dust easily, and should be handeled with more care! But it has better light-output and has a wider emittance-angle then the Cree, which is an advantage in most cases!

I hope to receive my first few SSC's in a few days..

Regards,

Ra.

 

[charlesn]

Don's comments, posted in response to my question in another thread about why he stayed with the Cree emitter in the XR19:

"THe XR19 head is host to the McR-19XR reflector which is designed specifically for the Cree XR-E. THe Seoul P4 would not work in this head with this reflector. The McR-19XR exploits the viewing angle of the XR-E as well as the image location, relative to the package. In the case of the S27 head, the McR-27L reflector was designed specifically for a Luxeon and lambertian distribution. It was modified to work with the XR-E and it does a good job if not white wall pretty. Switching to the Seoul P4 with this reflector was easy and I think the S27 with its edge on lux and more even beam distribution is a more acceptable solution for the majority. I still like the XR-E behind the 27 reflector for its greater intensity in the spill portion but the Seoul won out.

In general, I find I prefer the XR-E in the small reflectors but in the larger reflectors which are typically about throw to start with, the Seoul P4 is a better choice. This is all very subjective. I do think the XR-E is the best packaged LED out there right now but when protected in a flashlight head, the advantages of the XR-E's composition are not really significant, again, IMHO."

Also, if you scroll down about 3/4 of the way through the linked thread below, Don gets into a detailed discussion w/ pics of the Cree vs. Seoul--as you'll see, the question of which is best is highly subjective, and dependent on the reflector and intended use of the light:

http://candlepowerforums.com/vb/showthread.php?t=138418

 

[Kiessling]

This thread isn't really well place in the McGizmo forum, so it is moved to Homemade. Carry on.
bernie

 

[bombelman]

Hi Flymo, welcome to CPF !!
Nice to see more fellow Dutch-men in CPF (Ra also)

I think the Pentagon L2 is a good platform to start a mod !
As to answer your question qhich is beter, I have succesfuly used McR-reflectors
for the Cree Emitters, but I had to sand them down. Theoreticaly, I don't know if this is the most efficient stup, but from first hand experience, it is for my the most practical. XR-series reflectors are longer in Diameter and does not really fit in lights
I want to mod. Like the McR-19XR, which is 5mm longer then the McR-20....
I've tested these side by side and have found no real difference...

However, with current Seoul-emitters, you can use the McR-series reflectors,
with a very tiny mod, sanded down only about 0.030", or you can buy the
McR-(S) series reflectors...

There have been some tint issues with the SSC, but I think only when overdriven
or extremely underdriven.

I'm not sure it's out there, I hope it is, but I would really like to see a side
by side comparison of these two emitters, regarding heat production,
light production, power-consumption, etc, etc...

Best of luck, of beter gezegd, veel succes !
Je kunt me anytime hiervoor contacten.

Cheers !

 

[jsr]

To throw in another player...how about the Edison Edixeon? Currently cheaper than the SSC P4s with a lambertian radiation pattern still that's more easily manageable with Luxeon reflectors. I'm deciding between the Edison and SSC for some mods right now.

 

[bombelman]

I have all 3 of those emitters you mentioned...
I will be building them into 3 similar lights, however,
I do not any testing/measuring equipment, so I can only make assumptions...