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Thread: Xenon bulbs hotter then halogen?

  1. #1
    Senior Member HID Rookie kikkegek's Avatar
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    Xenon bulbs hotter then halogen?

    hi guys,

    I have a question on xenon vs halogen bulbs.

    I have used xenon bulbs in my H4 housings, but wasnt satisfied with the output and blinding other drivers.

    I then changed from these xenon to regular cheap H4 halogen bulbs.

    with the halogen bulbs in the housing the lens gets so hot within minutes, that you can not touch the lens anymore without hurting your hands. is that normal?

    I was wondering.

    My halogen are 55W and my H4 Xenon bulbs are only 35W. Do the xenon bulbs thus produce less heat and more light?

    I bought some new housings and I am using my old housings for my retro with Morimoto Moni's, but dont want burn up the new housings again within one year in the mean time.

    some help with these bulbs would be nice.

  2. #2
    Senior Member HID Nut MAD's Avatar
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    What causes your lenses to get hot with halogen is infrared radiation. HID bulbs dont emit infrared radiation so they never really warm the lens up much.
    That can be a problem if you're in a snowy/icy area, that's one of the reasons for high pressure washers.
    What they can emit though is high levels of UV radiation. But if you stick to OEM or Morimoto bulbs you'll be right.
    HID lighting systems are much more efficient than halogen, I dont have the figures, but halogen loses a lot of energy to heat instead of light.

  3. #3
    Senior Member HID Rookie kikkegek's Avatar
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    cool! thanks for the info!

    for now, until my retro is done, I'll put the bi-xenon bulbs in my headlight.

    Autopal_HL-106_MSRM.JPG

    with these bulbs for now!

    IMAG0153.jpg
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  4. #4
    Senior Member HID Nut MAD's Avatar
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    Please don't. Please just leave the halogens in there until you're done.

  5. #5
    Senior Member HID Rookie kikkegek's Avatar
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    :-)

    why? the glare aint to bad. see picture below. top is halogen and bottom is bi-xenon bulb

    Rechts_Halogeen_vs_Xenon.jpg

  6. #6
    Junior Member HID Newbie
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    but it's a lifted truck, right?

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  8. #8
    Senior Member HID Rookie
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    I can see a lot of light above the hotspot. It is intensified by more than 2 times when using HID. Lifted trucks are higher, and the light will shine right into other cars mirrors.
    2008 Toyota Camry LE I4
    S2K Retrofit Headlight - Osram 66240SVS
    TRD 18 Wheel, Navigation system
    LED-heat-fold Turn Signal Side Mirror w/ JDM Switch
    OEM fog light, integrating to Turn Signal Switch

  9. #9
    Moderator HID MASTER Adam's Avatar
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    I can verify that even a 55w HID bulb is very cool compared to halogen. If I have my bix high on and my halogen high on, after ten minutes the lens is quite hot on the halogen side and barely warm on the HID side. Huge difference

  10. #10
    LOL so much glare, the entire wall is illuminated

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