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FORUMS General Gear Talk Flash and Studio Lighting
Thread started 31 Aug 2017 (Thursday) 08:22
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Replace the led in the h600 or h1200 with a higher wattage?

 
mdelrossi
Member
60 posts
Joined Jul 2009
Brooklyn NY
Aug 31, 2017 08:22 |  #1

Hey all,
Has any one tried to replace the led in the h600 or h1200 with a higher wattage?

The dual leds in the adb2 are sufficient for a modeling light, but only 10 watt in the h600, that also sits behind the flash tube. That doesn't seem to be sufficient or a good idea.

Thoughts?
Thanks
mdr


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RDKirk
Adorama says I'm "packed."
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12,531 posts
Joined May 2004
USA
Aug 31, 2017 13:54 |  #2

The issue will be heat management. The electronics for high intensity LEDs get extremely hot--not the LEDs themselves (which stay startlingly cool) but the electronics.

I have some 100-watt high intensity LED light units for video that have heat sinks and fans larger than those on my i7 cpu. The light is larger than an AD600, and more than half of the internal volume of the shell is taken up by the heat sink alone.




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mmmfotografie
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2,059 posts
Joined Jul 2013
Utrecht Netherlands
Aug 31, 2017 15:07 |  #3

OK the led itself gets really hot but the heat is dispensated to the back/substrate and that is why the are attached to metal to draw the heat away and buffer it so that it can cooled in a controlled way.

The electronics to power the LED are very efficient and don't produce much heat. The only thing it is doing is turning and close the tap very fast.

When the voltage has to increased to power the LED then that is less efficient and produce heat that is lost.


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Replace the led in the h600 or h1200 with a higher wattage?
FORUMS General Gear Talk Flash and Studio Lighting


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