Audio

11 objects in 3 subcategories, each ordered by the year production began. The longest-running is the Klipschorn, made by Klipsch since 1946.

Headphones

4
Koss Porta Pro 1984 42 years Koss Porta Pro Koss Sennheiser HD 25 1988 38 years Sennheiser HD 25 Sennheiser Sony MDR-7506 1991 35 years Sony MDR-7506 Sony Sennheiser HD 600 1997 29 years Sennheiser HD 600 Sennheiser

Speakers & Radios

2
Klipschorn 1946 80 years Klipschorn Klipsch 2 other years claimed Klipsch Heresy 1957 69 years Klipsch Heresy Klipsch 1947 also claimed

Turntables & Hi-Fi

5
Ortofon SPU Classic G 1959 67 years Ortofon SPU Classic G Ortofon 2 other years claimed · One pause Denon DL-103 1964 62 years Denon DL-103 Denon 2 other years claimed Technics SL-1200 1972 48 years Technics SL-1200 Technics One pause Linn Sondek LP12 1973 53 years Linn Sondek LP12 Linn Products 1972 also claimed Rega Planar 1 1977 49 years Rega Planar 1 Rega 1973 also claimed · One pause