Luxeon III replacement

MrMimizu · Jan 13, 2013

I've been out of lights for a couple of years and just found my old Mr Bulk Lionheart.
It's got a Luxeon III TWOJ binned LED at this time.
Think this thing is 8 years old now. Can someone tell me what the newest, brightest LED I can use to replace the current LED is?
I've got some Cree P5(I think) leds but they aren't the same shape as the Luxeons.

Thanks.

datiLED · Jan 15, 2013

The best LED for upgrading the Lionheart is a CREE XM-L2 U2. Make sure to mount the LED high enough to account for the difference in height between the Luxeon and the CREE. You will likely need to use a copper shim under the LED star to get the LED properly focused in the reflector. Do a dry fit to get the proper focus before committing to anything.

MrMimizu · Jan 19, 2013

Awesome! Thanks for the headsup.
Now to go find someone who sells em.

PCC · Jan 20, 2013

Keep in mind that the larger die of the XM-L2 will make the hotspot grow considerably compared to what you have now. If you want to retain a smaller hotspot then you should consider the XP-G2, which will have a slightly lower lumens per watt rating, but, will give you a more intense hotspot.

You'll want to get the emitter on tiny 8mm boards if you're going to just desolder the Lux III and replace it with a new emitter.

bald1 · Jan 25, 2013

I too have a vintage LiOnHeart HA3 with a Lux III TWOJ. Mine retained the V.1 firmware and has the extra 168a Otokoyama HA3 body as well as a Ti pocket clip. Being a retiree my hands and eyes aren't what they once were so attempting any upgrade myself is out of the question. Any suggestions on a reputable craftsman to accomplish the upgrade? Is Charlie Wong doing stuff like this?

Thanks.

Luxeon III replacement

MrMimizu

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datiLED

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MrMimizu

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PCC

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bald1

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