ok i recently got an ampeg avt-4 pro and i think a lot of people on here have one so i'd ask some advice, i have heard from some people that it isn't a good idea to rackmount it because it will overheat, i tried to do it anyway with an skb case and it didn't fit very well and after i played it for about 20 minutes it started to get really hot, anyone have any recommendations on a rack case for this head that would give it enough room to breathe