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  #13  
Old 04-15-2011, 10:48 AM
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Re: Forget HID, where do I snag some LED headlights?

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Originally Posted by robpp View Post
These are the same headlamps we use in our rigs out here in Afghanistan. They are hella bright but do not offer enough wide-coverage IMO. Still a HUGE improvement over what we have been using, though.
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  #14  
Old 04-16-2011, 06:00 PM
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Re: Forget HID, where do I snag some LED headlights?

very cool. I remember back in the early 70's, most cars still had tungsten filament headlamps and halogen was starting to break into the North American market. Europe was way ahead of us and it was a novelty here to have driving lights. Now they are the norm and HID has taken over from halogen as the newer technology that even the new Charger has. Won't be long, another 10 years, and everyone will have LED headlamps. Hmmmm, will my WK last taht long?
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  #15  
Old 04-22-2011, 08:35 AM
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Re: Forget HID, where do I snag some LED headlights?

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Originally Posted by nifty97z View Post
These are the same headlamps we use in our rigs out here in Afghanistan. They are hella bright but do not offer enough wide-coverage IMO. Still a HUGE improvement over what we have been using, though.
Yep, these are just the 12V versions. But with the right lens they spread out pretty good. Our RCP has the kits installed on most of our rigs, it's something like 12 of these lights per truck. Now that is a lot of light! But the HID's in the rollers still put out farther.
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Old 04-22-2011, 10:28 AM
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Re: Forget HID, where do I snag some LED headlights?

Gotta love future innovation.
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  #17  
Old 04-22-2011, 01:18 PM
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Re: Forget HID, where do I snag some LED headlights?

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Originally Posted by jeepingib View Post
Yep, these are just the 12V versions. But with the right lens they spread out pretty good. Our RCP has the kits installed on most of our rigs, it's something like 12 of these lights per truck. Now that is a lot of light! But the HID's in the rollers still put out farther.
Not to offend anyone, but RCP is Route Clearance Package...

ANd yeah, they are a neccessity on the RCP!
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  #18  
Old 04-22-2011, 01:39 PM
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Re: Forget HID, where do I snag some LED headlights?

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Originally Posted by Scottina06 View Post
the Lexus LS had the first production ALL LED headlamps
my neighbor has the LS600h L with those lights.. they're weird looking but man they're bright!!

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  #19  
Old 04-24-2011, 07:58 PM
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Re: Forget HID, where do I snag some LED headlights?

edit: here we go,

Importance of LED lumen output vs. HID lamps

"Comparing the lumen output of LEDs to a discharge source is not an accurate way of measuring effective light output of a Luminaire. HID lamp lumens are measured spherically, counting all the lumens being produced over 360 degrees. The discharge arc tube is NOT a point source and is difficult to optimize optically, making for poor light collection efficiency and utilization. Many light fixtures have to redirect most of the lumens produced by a bulb, losing as much as 50% of the output. LEDs on the other hand are directional and have practically no wasted lumens. Virtually every LED lumen is directed and placed to maximize efficiency. A more accurate evaluation is to measure actual foot-candles or LUX on the ground. In addition, HPS and MH lamps have a considerable initial light output loss within the first 6 months. LEDs have no such drop and deliver useful light [with only 30% depreciation] for 12 to 15 years before needing replacement."

http://www.relume.com/htm/ledsexplained_led_vs_hid.htm
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  #20  
Old 04-30-2011, 10:51 AM
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Re: Forget HID, where do I snag some LED headlights?

Quote:
Originally Posted by soontobesrt View Post
edit: here we go,

Importance of LED lumen output vs. HID lamps

"Comparing the lumen output of LEDs to a discharge source is not an accurate way of measuring effective light output of a Luminaire. HID lamp lumens are measured spherically, counting all the lumens being produced over 360 degrees. The discharge arc tube is NOT a point source and is difficult to optimize optically, making for poor light collection efficiency and utilization. Many light fixtures have to redirect most of the lumens produced by a bulb, losing as much as 50% of the output. LEDs on the other hand are directional and have practically no wasted lumens. Virtually every LED lumen is directed and placed to maximize efficiency. A more accurate evaluation is to measure actual foot-candles or LUX on the ground. In addition, HPS and MH lamps have a considerable initial light output loss within the first 6 months. LEDs have no such drop and deliver useful light [with only 30% depreciation] for 12 to 15 years before needing replacement."

http://www.relume.com/htm/ledsexplained_led_vs_hid.htm
with that being said, has anyone on here checked out the LED replacement for the 9145 halogen fog light bulb? I know millions on here went to HID for the reverse and fogs, but I think I want to look at them next time a fog burns out.
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