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circuit boards
I have four "570" watt Peltier coolers installed under the block of aluminum, they are 62 mm X 62 mm, these TEC's are about as large as they come and cost about 40 dollars each on ebay. The actual cooling capacity is close to 350 watts each. This photo shows parts placement and was taken before most of the wiring had been done. The amount of Peltier/TEC coolers are far in excess of what is required to cool the LED's or 2 watt lasers.
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