Black spot in center of modded C12 emitter

Hey! That’s my line!

Did get rid of the black spot and it shows up in the beam a a tiny ring iam curious what could have caused that to happen?the light of seems to work fine but should I buy a new emitter and pad?

Try my hand at de doming and see how I do and if I can pull that ill go with with a XML2-U2 OR U3 im just a little bummed because it was my 1st attempt at a mod .

Since you already apparently have a hole in the dome, just soak the board+emitter in some gasoline (put some gasoline in a glass jar, enough to cover the emitter+board, and then gently drop the emitter+board into bottle, cover it up and let it sit maybe overnight. Check later and the dome should’ve floated off. The main thing is that the emitter itself get clear. If there’s gunk left around the edge after that or, ESPECIALLY around the tiny wires, DO NOT remove that. Just leave it be, as those wires are really easy to break, and it’ll be fine. After that rinse off with isopropyl (rubbing alcohol) to clean off the gasoline residue/odor, and then let it dry. Then try the emitter again (don’t be looking at it when you power it on!!).

I have run across this a few times now and in fact I just got a Lustefire triple in today with an emitter with a burnt spot on the top of it. I don’t know if it’s that something gets on them or if they are simply defective from the factory. I have de-domed them and twice I have just taken a razor blade and partially de-domed them. It seems that if you cut off the offending part of it that the burnt spot stops growing but if you leave it on and run it then it gets worse. I’m guessing that something either on the dome or actually in the dome itself is focusing heat and the dome simply burns. If you are sure you didn’t get anything on the dome then my guess is it’s a factory defect and you could ask for a replacement from whoever you bought it from. What is strange is that I have gotten several lights that had Fugic stuck on them and they don’t burn. So I’m almost thinking that it’s more likely that some impurity in the dome itself causes this to happen.

If the dedome makes it into too warm a tint, you can still use the emitter to adjust the tint of a multi-emitter light in the future. If that happens, check out some of the work done by RaceR86. It's some pretty cool stuff.

Good advice. Mixing emitters works great.

Lj, again I would recommend getting in touch with Calvin or Craig at Illumination Supply. They’re good guys and will probably take care of the defective emitter situation for you.

I called they sending me a xml2@6500 (xml2-u2) on the same sink pad so i can try de-doming it .