Koetsu is a legendary Japanese manufacturer of ultra-high-end phono cartridges, founded by Yoshi Koetsu Sugano and widely regarded as one of the most prestigious names in analog audio reproduction. Based in Japan, the company has spent decades perfecting the art of cartridge construction, creating handcrafted moving-coil cartridges that are considered among the finest in the world for vinyl record playback. Koetsu cartridges are renowned for their exceptional craftsmanship, often featuring exotic materials such as specially selected woods, precious metals, and semi-precious stones in their construction, with each cartridge essentially representing a work of art as much as an audio component. The company's approach emphasizes traditional Japanese craftsmanship combined with advanced acoustic engineering, producing cartridges that deliver warm, musical sound reproduction highly prized by serious audiophiles and vinyl collectors worldwide. Koetsu products command premium pricing due to their handmade construction and limited production, making them aspirational components for dedicated analog enthusiasts who appreciate the company's commitment to perfectionism and musical authenticity. Despite minimal web presence, Koetsu continues operations through select high-end audio dealers and distributors who serve discerning customers seeking the ultimate in vinyl playback performance.