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2. Air Motion Transformer - Wikipedia

   en.wikipedia.org/wiki/Air_Motion_Transformer

   The Air Motion Transformer (AMT) is a type of electroacoustic transducer.Invented by Oskar Heil (1908–1994), it operates on a different transduction principle from other loudspeaker designs, such as moving coil, planar magnetic or electrostatically-driven loudspeakers, and should not be confused with planar or true ribbon loudspeakers.

3. Vibration-powered generator - Wikipedia

   en.wikipedia.org/wiki/Vibration-powered_generator

   A transducer made of a piezoelectric diaphragm being disturbed by a sound pressure wave. A vibration powered generator is a type of electric generator that converts the kinetic energy from vibration into electrical energy. The vibration may be from sound pressure waves or other ambient vibrations.

4. Electromagnetic acoustic transducer - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_acoustic...

   An electromagnetic acoustic transducer (EMAT) is a transducer for non-contact acoustic wave generation and reception in conducting materials. Its effect is based on electromagnetic mechanisms, which do not need direct coupling with the surface of the material.

5. Single coil guitar pickup - Wikipedia

   en.wikipedia.org/wiki/Single_coil_guitar_pickup

   A single-coil pickup is a type of magnetic transducer, or pickup, for the electric guitar and the electric bass. It electromagnetically converts the vibration of the strings to an electric signal. Single-coil pickups are one of the two most popular designs, along with dual-coil or "humbucking" pickups.

6. Electrical characteristics of dynamic loudspeakers - Wikipedia

   en.wikipedia.org/wiki/Electrical_characteristics...

   The voice coil in moving coil drivers is suspended in a magnetic field provided by the loudspeaker magnet structure. As electric current flows through the voice coil (from an electronic amplifier), the magnetic field created by the coil reacts against the magnet's fixed field and moves the voice coil (and so the cone). Alternating current will ...

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8. AOL Mail - AOL Help

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9. Top 5 Most Expensive States for Car Insurance Rates - AOL

   www.aol.com/top-5-most-expensive-states...

   State. Average Monthly Rate: Minimum Coverage. Average Monthly Rate: Standard Coverage. Average Monthly Rate. Michigan. $151. $522. $481. New Jersey. $120. $390. $360