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post #1 of (permalink) Old 04-15-2009, 09:26 PM Thread Starter
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HID light ?

Ok I am looking at the HID lights but came up with a question. The HIDs are 35watt bulbs...Whats up with that. I have run 55watt halogen and wasnt happy with how bright they were. I assume that the 35watt HID will be even dimmer...Or will the HID make a diffrence and make a 35watt simmilar to a 55+watt light?
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post #2 of (permalink) Old 04-16-2009, 05:07 AM
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Wattage is the amount of electrical energy put into the light, and doesn't directly say anything about how much light comes out. HID lights have been promoted as making light more efficiently - more of the electricity is converted to light and less to heat. I've never seen hard figures of the efficiency ratio of HID or halogen lights, but I wouldn't believe that a 35 watt HID could produce as much light as a 55 watt halogen - that would require that the HIDs be 36% more efficient than halogens.

You should be able to find output information on the lights you're considering. As I understand it, a lumen rating is how much total light is given off, and the candlepower rating is how bright the light is, so it's related to how tightly the beam is focused. There's a lot more to lights than wattage.

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Last edited by Jim_Lou; 04-16-2009 at 07:24 AM.
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post #3 of (permalink) Old 04-16-2009, 07:16 AM Thread Starter
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Cool, Ill check into it
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post #4 of (permalink) Old 04-16-2009, 08:51 AM
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The HID uses different technology than a standard filament. It is like the florescent lights... they put out the same light with lower energy usage (watts). The HID should put out more light and use less wattage.

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