Zesto Audio

Founded around 2011-2012 by the husband-and-wife team of George and Carolyn Counnas, Zesto Audio is headquartered in Thousand Oaks, California at 3138 Calle Estepa. George Counnas, serving as President, brings extensive experience designing vacuum-tube gear since his college days in England and was part of a group creating navigation systems for the RAF. Responsible for all circuitry design, George combines engineering expertise with passion for tube electronics. Carolyn Counnas, an artist handling Sales and Marketing, is responsible for Zesto's distinctive aesthetic featuring strikingly curvaceous structural elements and wavelike face panels that set their products apart visually. The company specializes in hand-built tube amplifiers and phono stages with meticulous craftsmanship, creating an American-made line of separates that competes with the world's finest audio products. All Zesto products are designed and built by hand at their California headquarters, emphasizing quality over quantity. The company has received significant recognition, including the Los Angeles and Orange County Audio Society Premiere 'Innovation Award' for innovation in design and engineering in music reproduction. Zesto Audio has established itself as a company that successfully combines artistic flair, functionality, and reliability, representing the pinnacle of American tube audio craftsmanship with their distinctive visual design and exceptional sonic performance.