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  2. JBL Paragon - Wikipedia

    en.wikipedia.org/wiki/JBL_Paragon

    Launched in 1957, the Paragon is the world's earliest production stereo loudspeaker for home use, [5] and also the most expensive speaker at the time. [2] As the flagship JBL product, it cost $1,830 (£650) – equivalent to $19,900 in 2023. [3] The "Paragon" is the product with the longest production run of all JBL loudspeakers. [1]

  3. Jerry Harvey (inventor) - Wikipedia

    en.wikipedia.org/wiki/Jerry_Harvey_(inventor)

    Jerry Harvey (inventor) Jerry Harvey (born 1961) is an American sound engineer best known for inventing, along with Karl Cartwright, a series of customized dual-speaker in-ear monitors in 1995. He founded Ultimate Ears that same year, and in 2007, founded JH Audio. He has served as the sound engineer for artists as varied as Van Halen, Kiss ...

  4. JL Audio - Wikipedia

    en.wikipedia.org/wiki/JL_Audio

    JL Audio introduces a 7.7-inch component system to the marine world [5] In the realm of OEM integration, JL Audio introduces the CleanSweep CL441dsp [6] This DSP-based device allows users to eliminate frequency related errors associated with standard factory systems. This same year, W1v2 products are introduced, marking the second version of ...

  5. Loudspeaker - Wikipedia

    en.wikipedia.org/wiki/Loudspeaker

    The hole below the lowest woofer is a port for a bass reflex system. A loudspeaker (commonly referred to as a speaker or, more fully, a speaker system) is a combination of one or more speaker drivers, an enclosure, and electrical connections (possibly including a crossover network). The speaker driver is an electroacoustic transducer [1]: 597 ...

  6. Beta3-adrenergic agonist - Wikipedia

    en.wikipedia.org/wiki/Beta3-adrenergic_agonist

    The β 3 (beta 3) adrenergic receptor agonist or β 3-adrenoceptor agonist, also known as β 3-AR agonist, are a class of medicine that bind selectively to β 3-adrenergic receptors. β 3 -AR agonists for the treatment of obesity and type 2 diabetes have been in developmental stages within many large pharmaceutical companies since the early ...

  7. Acoustic suspension - Wikipedia

    en.wikipedia.org/wiki/Acoustic_suspension

    Acoustic suspension. An acoustic suspension loudspeaker is a type of speaker enclosure in which a loudspeaker driver is mounted in a cabinet with a closed back and no ports or vents. Acoustic suspension is a loudspeaker cabinet design that uses one or more loudspeaker drivers mounted in a sealed box. Acoustic suspension systems reduce bass ...

  8. Harman Kardon - Wikipedia

    en.wikipedia.org/wiki/Harman_Kardon

    Harman Kardon designed and produced some of the first high fidelity audio products in the 1950s. The company's first product was an FM tuner.. Early integrated receivers (with a tuner, preamplifier and power amplifier) were an attempt to create, improve and produce high fidelity performance in a single unit.

  9. LS3/5A - Wikipedia

    en.wikipedia.org/wiki/LS3/5A

    LS3/5A. The LS3/5A (each element pronounced separately, without the stroke) is a small studio monitor loudspeaker originated by the BBC for use by outside broadcast vans to ensure quality of their broadcasts. The speaker concept set out transparent and natural sound as the goal, and the achievement of the result is widely acknowledged.