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Discussion in 'Gen 2 Prius Main Forum' started by tintmanpa, Oct 11, 2022.

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  1. tintmanpa

    tintmanpa Junior Member

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    I need new bulbs for my 09 Prius. I’m seeing a few different brands of bulbs and I’m told the Phillips are good ones to choose. I’ve also see that they are 35 watts. My question is I’ve seen some that have much higher kilowatt 4000 up to 6000k. Can I use a brighter color bulb that has a higher k?
     
    #1 tintmanpa, Oct 11, 2022
    Last edited: Oct 11, 2022
  2. PriusCamper

    PriusCamper Senior Member

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    The ballasts that power the lights are going to limit/prevent your upgrade options...
     
    #2 PriusCamper, Oct 11, 2022
  3. tintmanpa

    tintmanpa Junior Member

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    That makes sense. Thank you
     
    #3 tintmanpa, Oct 11, 2022
  4. TMR-JWAP

    TMR-JWAP Senior Member

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    The stock OEM Phillips HID is 4300k, but research I've seen says the 5k is probably the best for visibility. Going higher than that, you're becoming one of the DB's that are blinding the crap out of everyone else. I stay with stock OEM 4300k
     
    #4 TMR-JWAP, Oct 12, 2022
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  5. tintmanpa

    tintmanpa Junior Member

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    Thanks. I think I’ll just go with the 4300k
     
    #5 tintmanpa, Oct 12, 2022
  6. dolj

    dolj Senior Member

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    Just to clarify what seems to be an incorrect assumption on your part, the “K” is an abbreviation for Kelvin, not kilowatts (kW).

    Kelvin is a measure of light color temperature.

    4300K is essentially equivalent to daylight. Going up towards 6000K (or higher) the light is moving to the blue end of the spectrum. The perception with bluer light is that it is brighter even if, in terms of lumens, it isn’t. The perception comes about because past experience with tungsten filament bulbs, higher color temperature is commensurate with brighter bulbs.
     
    #6 dolj, Oct 13, 2022
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  7. tintmanpa

    tintmanpa Junior Member

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    Kelvin that’s good to know. Thank you for making me a little smarter. I’m just putting some 4300 Philips in.
     
    #7 tintmanpa, Oct 14, 2022
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