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Old 10-23-13, 12:58 AM   #11
roflwaffle
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Quote:
Originally Posted by Quest View Post
Folks, one thing worth noting for RE: CFL. If you manage to get it to serve over 1/2 of it's intended service life (e.g. 5 ~6k hrs, assuming that it's capable of up to 10k hrs nominal service life), it would have dimmed by about 30% when compared to it's original (hr zero) state.

My best CFL record kept (with slight mod to the PCB--replaced the vulnerable lytic capacitor with long service life ones) was about 7k hrs (Luminus, bought from costco Canada) before the film capacitor failed. By then the tube already dimmed by 30% or so.

I don't believe LED would suffer from gradual dimming over time but would simply die(flickered and then cut off, or simply cut off completely...all depends on the driving circuitry designs) but should be able to maintain it's brightness throughout it's usable service life.

My 2c's worth.

Q-TD
All the LEDs I've had, both 12V and 110V, also dimmed over their lifespan before dying. One thing I've noticed is that the LEDs will dim more before dying, while the CFLs won't get as dim before dying.

Of course YMMV. I haven't had as much experience w/ leds as cfls.

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