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  2. Constant-voltage speaker system - Wikipedia

    en.wikipedia.org/wiki/Constant-voltage_speaker...

    Constant-voltage speaker systems are also commonly referred to as 25-, 70-, 70.7-, 100 or 210-volt speaker systems; distributed speaker systems; or high-impedance speaker systems. In Canada and the US, they are most commonly referred to as 70-volt speakers. In Europe, the 100 V system is the most widespread, with amplifier and speaker products ...

  3. Electrostatic loudspeaker - Wikipedia

    en.wikipedia.org/wiki/Electrostatic_loudspeaker

    The transformer is almost always specific to a particular electrostatic speaker. To date, Acoustat and Beveridge built the only commercial "transformer-less" electrostatic loudspeaker. [ citation needed ] In this design, the audio signal is applied directly to the stators from a built-in high-voltage valve amplifier (as valves are also high ...

  4. The 10 Best Outdoor Speakers of 2024 - AOL

    www.aol.com/12-best-outdoor-speakers-wired...

    Atrium4 Outdoor Speakers. Similar in set-up to the Yamaha duo, Polk's pair of outdoor speakers are a bit more expensive because they have better innards for better audio range—from bass to mid ...

  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. Supersonic: The Best Outdoor Speakers for Your Backyard and ...

    www.aol.com/finance/supersonic-best-outdoor...

    Discover the top outdoor speakers for ultimate backyard entertainment with our expert reviews and picks. Enjoy impressive sound quality anywhere, rain or shine.

  7. Bridged and paralleled amplifiers - Wikipedia

    en.wikipedia.org/wiki/Bridged_and_paralleled...

    A bridge-tied load (BTL), also known as bridged transformerless and bridged mono, is an output configuration for audio amplifiers, a form of impedance bridging used mainly in professional audio & car applications. [1]

  8. Transformer types - Wikipedia

    en.wikipedia.org/wiki/Transformer_types

    A transformer steps up the output of the system's amplifier to the distribution voltage. At the distant loudspeaker locations, a step-down transformer matches the speaker to the rated voltage of the line, so the speaker produces rated nominal output when the line is at nominal voltage.

  9. Voltage transformer - Wikipedia

    en.wikipedia.org/wiki/Voltage_transformer

    A capacitor voltage transformer (CVT), is a transformer used in power systems to step down extra high voltage signals and provide a low voltage signal to the actual VT (voltage transformer) used for operating metering/protective relays due to a lower cost than an electromagnetic PT. The circuit diagram for a simple capacitor voltage transformer

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