Cooling method for GTP-750

Question

Hi, I just came across this post and I just got a GTP-750 and I too notice that it runs extremely warm when left on for a while. And I am suprised that there are no cooling vents OR a fan used...right now I have the top cover open about a 1/4th of the way just to let some circulation happen. What do you have for a cooling method and the rectifier info would be appreciated in case I need repair on this unit - mine works great still and I am hoping to not have to go through any repair anytime soon due to overheating!Please email me at [e-mail]. Thanks!