Hello wizards of technology, I need your help to design and implement an air cooler circuit, Do a favour - if you don't mind.

 

As you say.. a 12v fan!
Any other details forthcoming?
Max.

 

Here's one example, just put some Hysteresis on it....

 

A fan will cool an amplifier but it will not cool the air - indeed it will only heat it.

 

Missing are the wet pads ?