“Every mechanical device with electric motor or any other moving parts makes noise as a side effect.”
512 floppy drives, four scanners and 16 hard drives, all playing MIDI. Peak draw is about 1.15 kilowatts, fed through speaker cable he admits breaks the safety rules. The drives are up to 30 years old and still fail now and then. It is the best use anyone has found for a floppy drive since 1995.