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  2. Paul Wilbur Klipsch - Wikipedia

    en.wikipedia.org/wiki/Paul_Wilbur_Klipsch

    Paul Wilbur Klipsch (March 9, 1904 – May 5, 2002) was an American engineer and high fidelity audio pioneer, known for developing a high-efficiency folded horn loudspeaker.

  3. Loudspeaker enclosure - Wikipedia

    en.wikipedia.org/wiki/Loudspeaker_enclosure

    The multiple entry horn (also known under the trademarks CoEntrant, Unity or Synergy horn) is a manifold speaker design; it uses several different drivers mounted on the horn at stepped distances from the horn's apex, where the high frequency driver is placed. Depending on implementation, this design offers an improvement in transient response ...

  4. Fire alarm notification appliance - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_notification...

    In 1970, Space Age Electronics introduced the first visual notification appliance, the AV32 light plate (which was installed over an existing horn) and V33 remote light. Meanwhile, in 1976, Wheelock introduced the first horn/strobe notification appliances with its 7000 series. The majority of visual signals throughout the 1970s and 1980s were ...

  5. New Kindle? Here are 10 accessories you need - AOL

    www.aol.com/lifestyle/new-kindle-here-are-10...

    This tablet stand holder is a useful gadget that'll get used time and time again. With it you can watch your favorite show or read your current page-turner without needing to use both hands ...

  6. Horn loudspeaker - Wikipedia

    en.wikipedia.org/wiki/Horn_loudspeaker

    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.

  7. The retreat from the world’s largest auto market has begun

    www.aol.com/retreat-world-largest-auto-market...

    It wasn’t long ago that China was by far the largest, and most profitable market, for General Motors. While the company was hemorrhaging money in North America and Europe and hurtling towards ...

  8. New Year's resolutions for NFL teams: Lions, 49ers, Vikings ...

    www.aol.com/sports/years-resolutions-nfl-teams...

    In this episode of Football 301, Nate Tice and Matt Harmon are ringing in the New Year with their resolutions for NFL teams as the playoff race heats up. Matt's resolutions focus on teams in the ...

  9. Horn (acoustic) - Wikipedia

    en.wikipedia.org/wiki/Horn_(acoustic)

    A patent horn loudspeaker. Loudspeakers are often built into horn-shaped enclosures or use horns. Most often the higher-frequency elements (tweeters and midranges) use horns, sometimes with acoustic diffraction lenses to spread the sound waves in a horizontal pattern at ear-level and limit the vertical pattern. An audio driver (e.g., a speaker ...