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#1
11-05-2013, 03:13 AM
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Rapid LED Cree RB differences?
Just rebuilt my lights. 3 pendants, 1 50W 20000K Ebay chip, and 8 XT-E RB per pendant. The RB are 4 on each pendant on a driver. One pendant had a bunch of LED's that are Dim after a day. Current is 1.3A very good cooling, Huge heatsink.
One think I noticed tho, is the 50W chip on the pendant that has the dim LED's doesnt shut off. All driven by Meanwell 60-48 dimmable drivers. and all others shut off. A couple RB on the center pendant are not as bright either. Anyone had Cree's just die? They were all same bright yesterday I'm sure. like 98% sure LOL
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Dan Pesonen Umm, a tank or 5 
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#2
11-05-2013, 04:58 AM
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I was always under the impression that the RB XT-E were run at 1050mA? Maybe you over drove them?
As far as the lights not turning off, you should be running a timer or power controlled module to kill power to the drivers when they are run down to 0v on the 1-10V circuit. Some drivers tend to continue to supply some current even at 0v (I had one do this).
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#3
11-05-2013, 01:54 PM
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They are all run by a Apex.
and from Rapids sire, Max 1500a http://www.rapidled.com/cree-xt-e-royal-blue-led-1/ Guess I am getting a hold of them for warranty?
__________________
Dan Pesonen Umm, a tank or 5
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