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Powered speakers, the Glossary

Index Powered speakers

Powered speakers, also known as self-powered speakers and active speakers, are loudspeakers that have built-in amplifiers.[1]

Table of Contents

  1. 38 relations: Amplifier, Audio crossover, Audio signal, Bass amplifier, Class-D amplifier, Clipping (audio), Compression driver, Computer speakers, Disc jockey, Dynamic range, Dynamic range compression, Electromotive force, High fidelity, High-end audio, Home audio, Home cinema, JBL, John Meyer (audio engineer), Linn Products, Loudness, Loudspeaker, Loudspeaker enclosure, McCune Audio/Video/Lighting, Meyer Sound Laboratories, Microphone preamplifier, Mixing console, Naim Audio, Negative feedback, Paramount Pictures, Rave, Sound reinforcement system, Speaker wire, Stage monitor system, Studio monitor, Subwoofer, Wi-Fi, Woofer, XLR connector.

  2. Loudspeaker technology

Amplifier

An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the magnitude of a signal (a time-varying voltage or current).

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Audio crossover

Audio crossovers are a type of electronic filter circuitry that splits an audio signal into two or more frequency ranges, so that the signals can be sent to loudspeaker drivers that are designed to operate within different frequency ranges. Powered speakers and audio crossover are loudspeaker technology.

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Audio signal

An audio signal is a representation of sound, typically using either a changing level of electrical voltage for analog signals, or a series of binary numbers for digital signals. Powered speakers and audio signal are audio engineering.

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Bass amplifier

A bass amplifier (also abbreviated to bass amp) is a musical instrument electronic device that uses electrical power to make lower-pitched instruments such as the bass guitar or double bass loud enough to be heard by the performers and audience. Powered speakers and bass amplifier are loudspeakers.

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Class-D amplifier

A class-D amplifier or switching amplifier is an electronic amplifier in which the amplifying devices (transistors, usually MOSFETs) operate as electronic switches, and not as linear gain devices as in other amplifiers.

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Clipping (audio)

Clipping is a form of waveform distortion that occurs when an amplifier is overdriven and attempts to deliver an output voltage or current beyond its maximum capability. Powered speakers and Clipping (audio) are audio engineering.

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Compression driver

A compression driver is a small specialized diaphragm loudspeaker which generates the sound in a horn loudspeaker. Powered speakers and compression driver are loudspeaker technology.

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Computer speakers

Computer speakers, or multimedia speakers, are speakers sold for use with computers, although usually capable of other audio uses, e.g. for an MP3 player. Powered speakers and computer speakers are loudspeakers.

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Disc jockey

A disc jockey, more commonly abbreviated as DJ, is a person who plays recorded music for an audience.

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Dynamic range

Dynamic range (abbreviated DR, DNR, or DYR) is the ratio between the largest and smallest values that a certain quantity can assume.

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Dynamic range compression

Dynamic range compression (DRC) or simply compression is an audio signal processing operation that reduces the volume of loud sounds or amplifies quiet sounds, thus reducing or compressing an audio signal's dynamic range. Powered speakers and dynamic range compression are audio engineering.

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Electromotive force

In electromagnetism and electronics, electromotive force (also electromotance, abbreviated emf, denoted \mathcal) is an energy transfer to an electric circuit per unit of electric charge, measured in volts.

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High fidelity

High fidelity (often shortened to Hi-Fi or HiFi) is the high-quality reproduction of sound. Powered speakers and high fidelity are audio engineering and consumer electronics.

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High-end audio

High-end audio is a class of consumer home audio equipment marketed to audiophiles on the basis of high price or quality, and esoteric or novel sound reproduction technologies. Powered speakers and high-end audio are consumer electronics.

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Home audio

Home audio refer to audio consumer electronics designed for home entertainment, such as integrated systems like shelf stereos, as well as individual components like loudspeakers and surround sound receivers. Powered speakers and home audio are consumer electronics.

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Home cinema

A home cinema, also called a home theater or theater room, is a home entertainment audio-visual system that seeks to reproduce a movie theater experience and mood using consumer electronics-grade video and audio equipment and is set up in a room or backyard of a private home.

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JBL

JBL is an American audio equipment manufacturer headquartered in Los Angeles, California, United States.

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John Meyer (audio engineer)

John Meyer is a pioneer in the sound reinforcement industry.

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Linn Products

Linn Products is an engineering company that manufactures hi-fi and audio equipment.

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Loudness

In acoustics, loudness is the subjective perception of sound pressure.

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Loudspeaker

A loudspeaker (commonly referred to as a speaker or speaker driver) is an electroacoustic transducer that converts an electrical audio signal into a corresponding sound. Powered speakers and loudspeaker are audio engineering, consumer electronics and loudspeakers.

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Loudspeaker enclosure

A loudspeaker enclosure or loudspeaker cabinet is an enclosure (often rectangular box-shaped) in which speaker drivers (e.g., loudspeakers and tweeters) and associated electronic hardware, such as crossover circuits and, in some cases, power amplifiers, are mounted. Powered speakers and loudspeaker enclosure are audio engineering, loudspeaker technology and loudspeakers.

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McCune Audio/Video/Lighting

McCune Audio Video Lighting (previously known as Harry McCune Sound Service, McCune Audio Visual and McCune Audio Visual Video) is an American company based in South San Francisco, California, with offices in Monterey and Anaheim.

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Meyer Sound Laboratories

Meyer Sound Laboratories is an American company based in Berkeley, California that manufactures self-powered loudspeakers, multichannel audio show control systems, electroacoustic architecture, and audio analysis tools for the professional sound reinforcement, fixed installation, and sound recording industries.

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Microphone preamplifier

The term microphone preamplifier can either refer to the electronic circuitry within a microphone, or to a separate device or circuit that the microphone is connected to.

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Mixing console

A mixing console or mixing desk is an electronic device for mixing audio signals, used in sound recording and reproduction and sound reinforcement systems.

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Naim Audio

Naim Audio is a British hi-fi manufacturer based in Wiltshire, United Kingdom.

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Negative feedback

Negative feedback (or balancing feedback) occurs when some function of the output of a system, process, or mechanism is fed back in a manner that tends to reduce the fluctuations in the output, whether caused by changes in the input or by other disturbances.

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Paramount Pictures

Paramount Pictures Corporation, commonly known as Paramount Pictures or simply Paramount, is an American film and television production and distribution company and the namesake subsidiary of Paramount Global.

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Rave

A rave (from the verb: to rave) is a dance party at a warehouse, club, or other public or private venue, typically featuring performances by DJs playing electronic dance music.

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Sound reinforcement system

A sound reinforcement system is the combination of microphones, signal processors, amplifiers, and loudspeakers in enclosures all controlled by a mixing console that makes live or pre-recorded sounds louder and may also distribute those sounds to a larger or more distant audience. Powered speakers and sound reinforcement system are audio engineering and loudspeakers.

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Speaker wire

Speaker wire is used to make the electrical connection between loudspeakers and audio amplifiers. Powered speakers and Speaker wire are loudspeakers.

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Stage monitor system

A stage monitor system is a set of performer-facing loudspeakers called monitor speakers, stage monitors, floor monitors, wedges, or foldbacks on stage during live music performances in which a sound reinforcement system is used to amplify a performance for the audience. Powered speakers and stage monitor system are audio engineering and loudspeakers.

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Studio monitor

Studio monitors are loudspeakers in speaker enclosures specifically designed for professional audio production applications, such as recording studios, filmmaking, television studios, radio studios and project or home studios, where accurate audio reproduction is crucial. Powered speakers and studio monitor are audio engineering and loudspeakers.

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Subwoofer

A subwoofer (or sub) is a loudspeaker designed to reproduce low-pitched audio frequencies, known as bass and sub-bass, that are lower in frequency than those which can be (optimally) generated by a woofer. Powered speakers and subwoofer are audio engineering, loudspeaker technology and loudspeakers.

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Wi-Fi

Wi-Fi is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio waves.

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Woofer

A woofer or bass speaker is a technical term for a loudspeaker driver designed to produce low frequency sounds, typically from 20 Hz up to a few hundred Hz. Powered speakers and woofer are loudspeakers.

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XLR connector

The XLR connector is a type of electrical connector primarily used in professional audio, video, and stage lighting equipment.

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See also

Loudspeaker technology

References

[1] https://en.wikipedia.org/wiki/Powered_speakers

Also known as Active loudspeaker, Active speaker, Active speaker systems, Active speakers, Amplified loudspeaker, Powered loudspeaker, Powered speaker, Self-powered speakers.