[2] Coyne was born in Elizabeth, New Jersey, and grew up in nearby Union, where he graduated from Roselle Catholic High School in 1972.

Coyne then was hired at Frankford/Wayne Mastering Labs,[6] assisting under Dominic Romeo,[7] known for cutting 45s for The Rolling Stones, The Four Seasons, Frankie Valli, Dionne Warwick, and others.

In 1989, Coyne was hired by The Hit Factory where he spent another five years mastering mostly Hip-Hop and R&B records by artists such as Billy Ocean, A Tribe Called Quest and De La Soul.

[8] In 1998, Coyne, Ted Jensen, Greg Calbi, Murat Aktar (Absolute Audio co-founder), and UK-based Metropolis bought Sterling Sound from Lee Hulko.

[14][15] Sterling Sound is located in New York City, occupying the top floor of the Chelsea Market in the Meatpacking District.