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Offline dr. jones

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Re: H9 LED
« Reply #10 on: 30 December, 2011, 01:11:54 AM »
not the review i wanted to hear, but i appreciate the heads up. given the rate of development in the LED arena i suspect we'll get a better version within a few years. until then, i guess i'll go for HID on the low beam, and LEDs for the aux lights.

thanks
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Offline dikman

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Re: H9 LED
« Reply #11 on: 31 December, 2011, 04:08:03 AM »
One potential problem with high-intensity LED assemblies is that they apparently generate quite a bit of heat and need decent heat-sinks and/or fans and should be placed in an airflow if possible. It makes using them as headlight replacements a bit problematical in our case.
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Offline StPeter

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Re: H9 LED
« Reply #12 on: 01 January, 2012, 11:29:46 PM »
Interesting point, Dikman. Some of the serious indoor lighting replacement have some very stylish heatsinkery attached to them. However . . . LEDs are more efficient than, say halogen; so how does the halogen mange to lose the (greater) amount of heat it generates?

It's a bit too late/I've had too many late nights over the last week/the tide's gone oute on too many bottles for me to work that one out!

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Online indytiger1050

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Re: H9 LED
« Reply #13 on: 02 January, 2012, 12:57:39 PM »
*Originally Posted by dikman [+]
One potential problem with high-intensity LED assemblies is that they apparently generate quite a bit of heat and need decent heat-sinks and/or fans and should be placed in an airflow if possible. It makes using them as headlight replacements a bit problematical in our case.
:0461:
I have noticed the same thing Dik.
I am perplexed, I thought led's consumed low wattage.
I thought there was a wattage/heat correlation.
The main reason incandescent lamps are to be pulled, 90% heat only 10% light.  Curious that such a low wattage item puts out that much heat. 
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Offline luisc

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Re: H9 LED
« Reply #14 on: 05 January, 2012, 05:22:16 AM »
I have a shop in the corner that sells it the owner told me  this h9 leds provided 1800 lumen so i went to the HID way 2500 lumen