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Lets talk headlamp bulbs

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#21 ·
I have not seen any reliable benchmark tests from these cree LED's against halogens/LED's yet and for P&P headlight conversions everything I've seen to date in regards to the LED's is that their directional light output and low lumens cannot safely be used for daily driving with the current technology. You can go search around but no matter where you look with these LED headlight kits, they look nice from the outside but they have very disappointing and in the case of diving dangerous results. Halogens and HID's have proven and safe light output for driving - so far LED's do not.

http://www.clubxb.com/forums/showthread.php?t=50337
 
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#22 ·
I'm well aware of the terrible beam pattern that HID's produce, these leds don't seem to produce that, and they are extremely bright, in fact they tend to overpower my 4x 18W spot lights on my bull bar.
 
Discussion starter · #23 · (Edited)
Went to advance auto,oreillys,and autozone today and none of them carry philips bulbs. They all only have sylvania.
 
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#25 ·
Tyler-98-W68 said:
I'm well aware of the terrible beam pattern that HID's produce, these leds don't seem to produce that, and they are extremely bright, in fact they tend to overpower my 4x 18W spot lights on my bull bar.
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Never said anything about a beam pattern - HID's have superior beam patterns and that is entirely dependent on the housing. Your LED's beams match those of the halogens (side filaments) so that is why they look ok in your housing, however the light output is where LED's have failed (don't know about these new kits however).

Have you found any comparison tests on these LED's versus either halogen or HID's (or both)?
 
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#26 ·
I was in a rush to get them installed so I never did a side by side comparison, they were rated at 1800-2000 lumens. I totally agree with you on the light output of LED's historically they have been quite poor compared to halogen.

They are rated at 1800 - 2000 Lumens +/- 10%

As an example, Phillips extreme vision H11 bulbs are rated at 2000 lumens.

So these lights are as bright as factory bulbs or the aftermarket halogen bulbs.
 
#27 ·
I only have internet education on halogen bulbs. Do the Phillips not have the problems discussed on the net about Sylvania?

What I remember reading about the brighter Sylvania halogens is:
- The color difference gives a perception of brighter, but in reality they are only slightly brighter.
- Bulb life is drastically shorter/bulbs are exponentially more expensive
- While initially brighter when new, they quickly degrade to a lower brightness

I decided that one level up from the OEM standard type bulb was probably the best value based on what I read above.

Am I wrong??
 
Discussion starter · #28 ·
Treegrower said:
I only have internet education on halogen bulbs. Do the Phillips not have the problems discussed on the net about Sylvania?

What I remember reading about the brighter Sylvania halogens is:
- The color difference gives a perception of brighter, but in reality they are only slightly brighter.
- Bulb life is drastically shorter/bulbs are exponentially more expensive
- While initially brighter when new, they quickly degrade to a lower brightness

I decided that one level up from the OEM standard type bulb was probably the best value based on what I read above.

Am I wrong??
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I am guessing that everything you say is true except for the color.The sylvania silverstars have a blue tint in the glass to change their color.The Philips xtreme do not.I believe the Philips Extreme bulbs remain the same color as stockers but just brighter.I think they are rated around 3500K.Although i did just order the Philips Extremes an hour or so ago,im sure their life expectancy is minimal.You may be correct that upgrading to one level up may be the most sufficient thing to do.
 
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#29 ·
I ran Extreme power Phillips bulbs in my compass, brighter than stock by quite a bit, but same yellow type color. Any blue tint on bulbs actually reduces actual light output but looks "better"

The crystal Vision Ultra bulbs by Phillips have a blue tint to them, but they are brighter than the factory bulbs so you gain the white light without losing any output.
 
#30 ·
I've run both Xtreme Power and Vision Ultra. As Tyler said Xtreme provides more light output where Vision Ultra has blue tint to them which I like. Xtreme bulbs were on for almost two years and I replaced them with Vision Ultra because of the looks. I kept Xtreme for backup purposes as they still work.
 
Discussion starter · #31 ·
the_jeep_now said:
I've run both Xtreme Power and Vision Ultra. As Tyler said Xtreme provides more light output where Vision Ultra has blue tint to them which I like. Xtreme bulbs were on for almost two years and I replaced them with Vision Ultra because of the looks. I kept Xtreme for backup purposes as they still work.
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xtremes were still working after 2 years of use?!?
 
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#35 ·
Yes but remember that an LED lumen is not comparable (directly) to halogen/HID lumens and the fact that LED's beam patterns are directional (similar but different than halogens). Looking around for anyone that has done a side by side bulb comparison test and no luck yet.

Tyler-98-W68 said:
I was in a rush to get them installed so I never did a side by side comparison, they were rated at 1800-2000 lumens. I totally agree with you on the light output of LED's historically they have been quite poor compared to halogen.

They are rated at 1800 - 2000 Lumens +/- 10%

As an example, Phillips extreme vision H11 bulbs are rated at 2000 lumens.

So these lights are as bright as factory bulbs or the aftermarket halogen bulbs.
Click to expand...
 
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#37 ·
The last set of LED's I see installed (both headlights and foglights) appeared brighter when looking at the car (in a dark rural setting) and once in the car most than half of the visible light was gone, half as effective as the halogens.
 
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Discussion starter · #39 ·
Just put in my new Philips Xtreme Power headlights last night and so far i am unimpressed :(
 
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#40 ·
bcom said:
Just put in my new Philips Xtreme Power headlights last night and so far i am unimpressed :(
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Of course, they can only do so much with a halogen bulb. You have limited choices with bulbs, you can stick with the OEM style bulb from a host of manufactures and receive the same exact color and light output. You can upgrade to one that will change the color slightly and in turn output less light due to the coating process to make the color different. You can also buy an upgraded wire harness and go with a brighter 65W halogen to squeeze a little more light output as well as a better color.

In the end HID (and possibly LED) is the better route.
 
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bcom
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