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<blockquote data-quote="audiobaun" data-source="post: 8786157" data-attributes="member: 634282"><p>I am pretty sure that that type of FAN needs to be installed vertically to get some fresh air movement /Flow through to get some real CFMs out of those fans. Laying Flat on a flat surface, no air being flowed through the fan and heat will eventually kill the fans out one by one and may not keep up with keeping your amps running cooler. It would be best to cut out the backside of the wood for the fans and or as well as place 4-5 washers to get some room under the fans bolt down/feet to get some Flow and fresh air moving. Or... Trash those and look into some high cfm Scroll fans. I use Stinger 6&quot; and 8&quot; scroll fans. Those mount on a flat surface and would work very well. But as you have those installed. I would recommend taking one fan off and using a hole saw and drill out a min. of a 2-2.50&quot; hole&nbsp; for each fan to get some air flow and fresh air movement and get some heat out of that location a bit better.</p></blockquote><p></p>

[QUOTE="audiobaun, post: 8786157, member: 634282"] I am pretty sure that that type of FAN needs to be installed vertically to get some fresh air movement /Flow through to get some real CFMs out of those fans. Laying Flat on a flat surface, no air being flowed through the fan and heat will eventually kill the fans out one by one and may not keep up with keeping your amps running cooler. It would be best to cut out the backside of the wood for the fans and or as well as place 4-5 washers to get some room under the fans bolt down/feet to get some Flow and fresh air moving. Or... Trash those and look into some high cfm Scroll fans. I use Stinger 6" and 8" scroll fans. Those mount on a flat surface and would work very well. But as you have those installed. I would recommend taking one fan off and using a hole saw and drill out a min. of a 2-2.50" hole for each fan to get some air flow and fresh air movement and get some heat out of that location a bit better. [/QUOTE]

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