Goertz

Goertz is best understood as an American audio-cable brand rather than a full hi-fi manufacturer. The Goertz name is tied to Alpha-Core, which says the business began in 1982 in Connecticut, and the cable concept is associated with Danish engineer Ole Goertz; the broader corporate history also includes Bridgeport Magnetics Group in Shelton, Connecticut.

Its core focus is audio cables, especially speaker cables and interconnects built around flat, ribbon-like conductor geometry. That design is the defining Goertz idea, and the brand is best known for models such as the TQ and MI series rather than for amplifiers, speakers, turntables, DACs, or headphones.

In market terms, Goertz sits in the niche high-end cable segment. The brand has a long-standing reputation among serious audiophiles for technical distinctiveness, low-distortion construction, and strong performance over longer runs, but it is not a mass-market or one-stop hi-fi brand.