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PocketBeam said:
Be careful of companies advertising 5w or 3w luxeon lights. Mostly they tend to mean a Luxeon III or Luxeon V led light. Unless you know bin, voltage and amps, you don't know for sure.
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Well, that's what you want, right? Something with a known emitter with known performance?
Why do you care if it's a Luxeon III but not actually dissipating 3W? Is it as bright as it's claimed? Were you depending on X watts being dissipated because you needed the light to generate a minimum amount of heat?
Sheesh - we're talking photons out the front, not something like RF where power out really matters.