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  2. JBL - Wikipedia

    en.wikipedia.org/wiki/JBL

    The JBL L-100 and 4310 control monitors were popular home speakers. In the late 1970s, the new L-series designs L15, L26, L46, L56, L86, L96, L112, L150, and later the L150A and flagship L250 were introduced with improved crossovers, ceramic magnet woofers, updated midrange drivers, and aluminum-deposition phenolic resin tweeters.

  3. Sound reinforcement system - Wikipedia

    en.wikipedia.org/wiki/Sound_reinforcement_system

    From this perspective, speaker cabinets need to have easy-to-access horns, speakers, and crossover circuitry, so that repairs or replacements can be made. Many touring acts and large venue corporate events will rent large sound reinforcement systems that typically include one or more audio engineers on staff with the renting company.

  4. JL Audio - Wikipedia

    en.wikipedia.org/wiki/JL_Audio

    From 1987–1988, Speaker Warehouse began to design competition cars with their audio systems. In 1988, Speaker Warehouse/JL Audio dominates the car audio scene in South Florida. In 1989, seven Speaker Warehouse vehicles qualified for the first annual International Auto Sound Challenge Association (IASCA) Finals in Tempe, Arizona.

  5. What 'secret' loudspeaker codes mean at department stores - AOL

    www.aol.com/news/2010-10-13-what-secret...

    Walmart security watches shoppers enter on Black Friday This "code" is one of many innocuous sounding secret codes that stores use to alert employees to problems without distracting you from shopping.

  6. Loudspeaker - Wikipedia

    en.wikipedia.org/wiki/Loudspeaker

    The term loudspeaker may refer to individual transducers (also known as drivers) or to complete speaker systems consisting of an enclosure and one or more drivers.. To adequately and accurately reproduce a wide range of frequencies with even coverage, most loudspeaker systems employ more than one driver, particularly for higher sound pressure level (SPL) or maximum accuracy.

  7. Computer speakers - Wikipedia

    en.wikipedia.org/wiki/Computer_speakers

    Computer speakers, or multimedia speakers, are speakers sold for use with computers, although usually capable of other audio uses, e.g. for an MP3 player. Most such speakers have an internal amplifier and consequently require a power source, which may be by a mains power supply often via an AC adapter , batteries, or a USB port.

  8. Speaker wire - Wikipedia

    en.wikipedia.org/wiki/Speaker_wire

    Speaker wire is a passive electrical component described by its electrical impedance, Z.The impedance can be broken up into three properties which determine its performance: the real part of the impedance, or the resistance, and the imaginary component of the impedance: capacitance or inductance.

  9. Marquardt Corporation - Wikipedia

    en.wikipedia.org/wiki/Marquardt_Corporation

    Marquardt also provided space and capital for the James B. Lansing Company, a manufacturer of high-quality audio speakers known by the brand "JBL". In the late 1940s, Marquardt took over JBL operations, but the firm was divested when Marquardt was acquired by General Tire and Rubber Company in 1949. JBL speakers are still in production.

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