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JBL: United States Jensen: United States JL Audio: United States JVC: Japan K-array: Italy KEF: United Kingdom (brand) Kenwood: Japan Kharma International: Netherlands KLH: United States Klipsch: United States Krell Industries: United States KRK: United States Kustom: United States L-Acoustics: France Legacy Audio: United States Linn: United ...
JBL is an American audio equipment manufacturer headquartered in Los Angeles, California. [1] The company was founded in 1946 by James Bullough Lansing, an American audio engineer and loudspeaker designer. JBL currently serves the home and professional audio markets.
A horn loudspeaker is a loudspeaker or loudspeaker element which uses an acoustic horn to increase the overall efficiency of the driving element(s). A common form (right) consists of a compression driver which produces sound waves with a small metal diaphragm vibrated by an electromagnet, attached to a horn, a flaring duct to conduct the sound waves to the open air.
A JBL Flip 3 battery-powered and waterproof Bluetooth speaker connected to a charging cable. The length is ca. 17 cm, diameter 6.4 cm, weight 450 g. TV set (size 55 inch) with two Sonos Play:5 wireless HiFi speakers (WiFi-based) and a soundbar
From about 1900 to the 1950s, the "lowest frequency in practical use" in recordings, broadcasting and music playback was 100 Hz. [9] When sound was developed for motion pictures, the basic RCA sound system was a single 8-inch (20 cm) speaker mounted in straight horn, an approach which was deemed unsatisfactory by Hollywood decisionmakers, who hired Western Electric engineers to develop a ...
Nevertheless, many high-end cone tweeters remained in limited production by Audax, JBL and SEAS until the mid-1980s. Cone tweeters are now rarely used in modern hi-fi usage and are routinely seen in low cost applications such as factory car speakers, compact stereo systems, and boom boxes.