UnderTone Audio (UTA) is a boutique pro audio company dedicated to crafting high-end analog recording gear that blends classic warmth with modern flexibility and innovation. Founded by Eric Valentine, a highly respected producer and engineer, UTA designs equipment with a deep understanding of real-world studio needs, ensuring superior sonic performance and intuitive workflow.

UTA’s flagship products include the MPDI-4 Mic Preamp, known for its versatile tone-shaping capabilities, and the UnFairchild 670M II, a meticulously designed recreation and modernization of the legendary Fairchild 670 compressor, offering authentic tube compression with modern control and flexibility. The UTEQ Equalizer and Undertone Console further demonstrate UTA’s commitment to precision-engineered, high-headroom, and musical analog processing.

Built with premium components and military-grade construction, UTA gear is trusted by top engineers, producers, and studios for its rich harmonic depth, transparency, and versatility. Whether in tracking, mixing, or mastering, UnderTone Audio brings timeless analog sound into the modern era, making it an essential choice for professionals who demand both character and clarity in their recordings.