Or are quiet and cheap mutually exclusive? 
Okay so this isn't technically for PCs, but it is for cooling. I have a receiver in my stereo system rack that seems to get pretty warm, and I'm thinking of installing a 120mm fan in the back of the rack to vent it out. I don't know that whisper quiet is absolutely necessary, but since the point is to be able to listen to music, obviously the fan shouldn't be too loud. Also, should I just get a 120VAC fan and just run it off household current or get a 12VDC fan and a transformer? Any suggestions?
Okay so this isn't technically for PCs, but it is for cooling. I have a receiver in my stereo system rack that seems to get pretty warm, and I'm thinking of installing a 120mm fan in the back of the rack to vent it out. I don't know that whisper quiet is absolutely necessary, but since the point is to be able to listen to music, obviously the fan shouldn't be too loud. Also, should I just get a 120VAC fan and just run it off household current or get a 12VDC fan and a transformer? Any suggestions?