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2. Tweeter - Wikipedia

   en.wikipedia.org/wiki/Tweeter

   Dome tweeter with a membrane with 25 mm diameter made from titanium; from a JBL TI 5000 loudspeaker box, c. 1997. A dome tweeter is constructed by attaching a voice coil to a dome (made of woven fabric, thin metal or other suitable material), which is attached to the magnet or the top plate via a low compliance suspension.

3. Piezoelectric speaker - Wikipedia

   en.wikipedia.org/wiki/Piezoelectric_speaker

   A piezoelectric speaker (also known as a piezo bender due to its mode of operation, and sometimes colloquially called a "piezo", buzzer, crystal loudspeaker or beep speaker) is a loudspeaker that uses the piezoelectric effect for generating sound. The initial mechanical motion is created by applying a voltage to a piezoelectric material, and ...

4. Keyboard amplifier - Wikipedia

   en.wikipedia.org/wiki/Keyboard_amplifier

   The 50 KW has 50 watts of power, a 10" woofer and a 3.75" tweeter. It has "2-channel operation", with "Channel 1 optimized for microphones with an XLR and a 1/4" input" and "Channel 2 optimized for line level and keyboard sources with 2 phone jack inputs and 2 RCA inputs" [ 12 ] The 50 KW is wedge-shaped, so it can be used as a monitor for a ...

5. 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.

6. Piezotronics - Wikipedia

   en.wikipedia.org/wiki/Piezotronics

   Working mechanism for piezoelectric devices with one end of the piezoelectric material is fixed. The induced piezopotential distribution is similar to the applied gate voltage in a traditional field-effect transistor, as shown in (b). Schematic diagram showing the three-way coupling among piezoelectricity, photoexcitation and semiconductor.

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