Dear everyone, I built a floating rack case for my amp recently (pics on the way). The amp vents to the sides, so I incorporated an a couple of 12v, 80mm fans, blowing air into the rack and directly on to the heat sinks on the sides. I used it for the first time last night and for some reason, I found myself playing with the volume control considerably lower than normal. I even got asked to turn down a few times. I think it was a case of me adjusting my volume with my eyes rather than my ears, but I've never done a gig with my volume knob in such a low position before and it threw me. Was this just a co-incidence? Was it just the room? Or does cooling your amp have this effect? PS:- the amp is an "Ebony" (Australian brand), Solid state, 400w at 4 ohms.