IME components need to be selected for low coil whine (and the related brethren, namely electrostriction and piezoelectrics), because it easily dwarfs (both in

IME components need to be selected for low coil whine (and the related brethren, namely electrostriction and piezoelectrics), because it easily dwarfs (both in loudness and annoyance) the air flow and fan noise of a well-built air-cooled machine.