UnderTone Audio (UTA), founded by Eric Valentine, specialises in high-quality analog recording gear that blends vintage warmth with modern functionality. Their flagship product, the UnFairchild 670M II, reimagines the classic Fairchild compressor with advanced features like variable attack, mid-side processing, and feedback/feed-forward modes. UTA also offers software emulations of its hardware, delivering exceptional sound quality and versatility for professional audio production.