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  2. Keyboard amplifier - Wikipedia

    en.wikipedia.org/wiki/Keyboard_amplifier

    While most keyboard amplifiers produce monophonic sound, a small number of higher-priced, higher-wattage keyboard combo amps have two speakers and two horns and can produce stereophonic sound. When a stereo keyboard amp is used with a stereo chorus effect or Leslie speaker simulator pedal, this can produce a spacious, full sound. Some keyboard ...

  3. Electrostatic loudspeaker - Wikipedia

    en.wikipedia.org/wiki/Electrostatic_loudspeaker

    Schematic showing an electrostatic speaker's construction and its connections. The thickness of the diaphragm and grids has been exaggerated for the purpose of illustration. An electrostatic loudspeaker (ESL) is a loudspeaker design in which sound is generated by the force exerted on a membrane suspended in an electrostatic field.

  4. Audio feedback - Wikipedia

    en.wikipedia.org/wiki/Audio_feedback

    Block diagram of the signal-flow for a common feedback loop [1]: 118 . Audio feedback (also known as acoustic feedback, simply as feedback) is a positive feedback situation that may occur when an acoustic path exists between an audio output (for example, a loudspeaker) and its audio input (for example, a microphone or guitar pickup).

  5. Crossover distortion - Wikipedia

    en.wikipedia.org/wiki/Crossover_distortion

    Crossover distortion is a type of distortion which is caused by switching between devices driving a load. [1] It is most commonly seen in complementary, or "push-pull", class-B amplifier stages, although it is occasionally seen in other types of circuits as well. Input–output characteristic of a class-B complementary emitter follower stage

  6. Digital-to-analog converter - Wikipedia

    en.wikipedia.org/wiki/Digital-to-analog_converter

    A 1990s external DAC from Audio Alchemy as an add-on for CD players, having only about 12 cm width, intended to improve the sound of older or less expensive players. Most modern audio signals are stored in digital form (for example MP3s and CDs ), and in order to be heard through speakers, they must be converted into an analog signal.

  7. 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.

  8. Distortion - Wikipedia

    en.wikipedia.org/wiki/Distortion

    In signal processing, distortion is the alteration of the original shape (or other characteristic) of a signal.In communications and electronics it means the alteration of the waveform of an information-bearing signal, such as an audio signal representing sound or a video signal representing images, in an electronic device or communication channel.

  9. Computer hardware - Wikipedia

    en.wikipedia.org/wiki/Computer_hardware

    Computer hardware includes the physical parts of a computer, such as the central processing unit (CPU), random access memory (RAM), motherboard, computer data storage, graphics card, sound card, and computer case. It includes external devices such as a monitor, mouse, keyboard, and speakers. [1] [2]