Tony Andrews has been building PAs for decades. Today, the soundsystems made by his company Funktion-One are preferred by the world’s best clubs. Their speakers are more iconic than you might expect something so technical to be – a testament to Andrews’ uncompromising vision for how to achieve great sound. Here, Andrews discussed the curse of line arrays, how to prevent what he calls the chainsaw effect, and why listening to music through our phones and other portable devices has ruined our ears.