Koss
World's First SP3 Stereophone
In 1958, John C. Koss teamed up with engineer Martin Lange, Jr. to develop a portable stereo phonograph player with side-wing speakers. The pair demonstrated their new stereo record player at a Wisconsin audio show. One of the product's unique features was a privacy switch, which allowed listeners to hear music by plugging in the world's first SP/3 stereophone. The stereophones were intended to be an accessory to deomonstrate the high-fidelity stereo sound that the portable phonograph player delivered.
The revolutionary sound of the Koss SP/3 stereophone became the hit of the show.Koss K/6
The vintage Koss K/6 headphones are a classic model from Koss, a pioneer in the headphone industry, renowned for their innovations in personal audio equipment. First released in the 1960s and 1970s, the K/6 model became a symbol of high-fidelity audio during that era, prized by audiophiles for its rich sound and comfortable design. Here's a detailed review of its features and performance: 1. De..

