A phone connector is a family of cylindrically-shaped electrical connectors primarily for analog audio signals. Invented in the late 19th century for telephone switchboards, the phone connector remains in use for interfacing wired audio equipment, such as headphones, speakers, microphones, mixing consoles, and electronic musical instruments. A male connector, is mated into a female connector, though other terminology is used.
Mark Levinson is an American high-end audio equipment brand established in 1972 by eponymous founder Mark Levinson, and based in Stamford, Connecticut. It is owned by Harman International Industries, a subsidiary of Samsung Electronics.
Sansui Electric Co., Ltd. was a Japanese manufacturer of audio and video equipment. Headquartered in Tokyo, Japan, it was part of the Bermuda conglomerate.
Contemporary Records was a jazz record company and label founded by Lester Koenig in Los Angeles in 1951. Contemporary produced music from a variety of jazz styles and players.
Harman Kardon is a division of US-based Harman International Industries, an independent subsidiary of Samsung Electronics. Harman Kardon was originally founded in Westbury, New York, in 1953 by business partners Sidney Harman and Bernard Kardon.
McIntosh Laboratory is an American manufacturer of handcrafted high-end audio equipment headquartered in Binghamton, New York. It is a subsidiary of McIntosh Group which is under the ownership umbrella of Highlander Partners, a Dallas-based private equity firm.
Founded by David Hafler and Ed Laurent in Philadelphia, Pennsylvania in 1955, Dynaco was an American hi-fi audio system manufacturer popular in the 1960s and 1970s for its wide range of affordable, yet high quality audio components.. Its best known product was the ST-70 tube stereo amplifier. They also manufactured other tube and solid state amplifiers, preamplifiers, radio tuners and bookshelf loudspeakers. Dynaco was liquidated in 1980, and the trademark is now owned by Radial Engineering Ltd.
Robert W. (Bob) Carver is an American designer of audio equipment based in the Pacific Northwest.
Roksan is a British manufacturer of high fidelity audio products for domestic use, based in Rayleigh, Essex. It is best known for its influential and innovative design for hi-fi equipment, and in particular its Xerxes platform for playing LP records.
QUAD Electroacoustics is a British manufacturer of hi-fi equipment, based Huntingdon, Cambridgeshire. QUAD is part of the IAG Group, with corporate headquarters located in Shenzhen, China.
Madrigal Audio Laboratories was founded in 1984 by Sanford Berlin, when he took over the Highend audio-company Mark Levinson. Further brands of Madrigal were Audioaccess, Proceed, Madrigal, Imaging. 1997 the subsidiary Revel Audio for high quality loudspeakers was founded.
Harman International Industries, commonly known as Harman, is an American audio electronics company. Since 2017, the company has been operating as an independent subsidiary of Samsung Electronics.
Audiolab is a British manufacturer of audio equipment. It specializes in affordable systems and has a range of stereo and surround sound systems. During its ownership under McLaren Group it was named TAGMcLaren Audio.
H. H. Scott, Inc. was a major manufacturer of hi-fi equipment in the U.S. It was founded in 1947 by Hermon Hosmer Scott in Cambridge, Massachusetts and moved to the nearby town of Maynard in 1957.
Luxman is a brand name of Japanese Luxman Corporation (ラックスマン株式会社) that manufactures luxury audio components. Luxman produces a variety of high-end audio products, including turntables, amplifiers, receivers, tape decks, CD players and speakers.
Fisher Electronics was an American company specialising in the field of hi-fi electronics. The company and the name was bought by Japanese electronics conglomerate Sanyo in 1975.
Dimensia was RCA's brand name for their high-end models of television systems and their components produced from 1984 to 1989, with variations continuing into the early 1990s, superseded by the ProScan model line. After RCA was acquired by General Electric in 1986, GE sold the RCA consumer electronics line to Thomson SA which continued the Dimensia line. They are significant for their wide array of advanced features and for being the first television receiver systems to feature a built in computer, somewhat of an early incarnation of a smart TV, but without internet access. In 1985, RCA released the Digital Command Component System, a fully integrated audio system that permitted the full functionality of Dimensia audio components without a Dimensia monitor. The name "Dimensia" actually dates back to the early 1970s when RCA used the term for an enhanced spatial stereo effect which they called "Dimensia IV". The tagline for the Dimensia was The Next Dimension in Sight and Sound.
Crown International, or Crown Audio, is an American manufacturer of audio electronics, and is a subsidiary of Harman International Industries, which has been part of South Korea-based Samsung Electronics since 2017. Today, the company is known primarily for its power amplifiers, but has also manufactured microphones, loudspeakers, and a line of commercial audio products, as well as digital audio networking products.
Threshold Audio is a high-end audio equipment manufacturer originally established in California in 1974 by audio engineer Nelson Pass and graphic designer René Besne. The company, today based in Houston Texas, manufactures mono-block and stereo power amplifiers, multi-channel power amplifiers and stereo control amplifiers.
Mark Levinson is an American audio equipment designer, recording and mastering engineer, and multi-instrumentalist musician. He was formerly married to the actress Kim Cattrall.
