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64 relations: AC power, Alternating current, Alternator (automotive), Amplifier, Amplitude, Audio crossover, Audio electronics, Audio engineer, Audio noise measurement, Audio power, Audio power amplifier, Audio system measurements, Bridged and paralleled amplifiers, Clipping (signal processing), Consumer Technology Association, Crest factor, Decibel, Deutsches Institut für Normung, Distortion, Dynamic range compression, Eastern Acoustic Works, Electric power, Electrical efficiency, Electrical load, Electrical resistance and conductance, Energy consumption, Equal-loudness contour, Excursion (audio), Federal Trade Commission, Figure of merit, Heat sink, Hertz, Home theater in a box, Input impedance, International Electrotechnical Commission, JBL, Logarithmic scale, Loudness, Loudspeaker, Marketing, Ohm, Oscilloscope, Power (physics), Power rating, Power supply, Professional audio, Programme level, Real versus nominal value (economics), Rohm, Roll-off, ..., Root mean square, Shelf stereo, Sine wave, Sound level meter, Sound power, Square wave, Studio monitor, Subwoofer, Surround sound, Total harmonic distortion, Transistor, Vacuum tube, Voltage, Watt. Expand index (14 more) »
AC power
Power in an electric circuit is the rate of flow of energy past a given point of the circuit.
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Alternating current
Alternating current (AC) is an electric current which periodically reverses direction, in contrast to direct current (DC) which flows only in one direction.
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Alternator (automotive)
Alternators are used in modern automobiles to charge the battery and to power the electrical system when its engine is running.
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Amplifier
An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the power of a signal (a time-varying voltage or current).
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Amplitude
The amplitude of a periodic variable is a measure of its change over a single period (such as time or spatial period).
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Audio crossover
Audio crossovers are a type of electronic filter circuitry used in a range of audio applications, to split up an audio signal into two or more frequency ranges, so that the signals can be sent to drivers that are designed for different frequency ranges.
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Audio electronics
Audio electronics is the implementation of electronic circuit designs to perform conversions of sound/pressure wave signals to electrical signals, or vice versa.
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Audio engineer
An audio engineer (also sometimes recording engineer or a vocal engineer) helps to produce a recording or a performance, editing and adjusting sound tracks using equalization and audio effects, mixing, reproduction, and reinforcement of sound.
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Audio noise measurement
Audio noise measurement is carried out when assessing the quality of audio equipment, such as is used in recording studios, broadcast studios, and in the home (Hi-Fi).
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Audio power
Audio power is the electrical power transferred from an audio amplifier to a loudspeaker, measured in watts.
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Audio power amplifier
An audio power amplifier (or power amp) is an electronic amplifier that reproduces low-power electronic audio signals such as the signal from radio receiver or electric guitar pickup at a level that is strong enough for driving (or powering) loudspeakers or headphones.
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Audio system measurements
Audio system measurements are made for several purposes.
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Bridged and paralleled amplifiers
Multiple electronic amplifiers can be connected such that they drive a single floating load (bridge) or a single common load (parallel), to increase the amount of power available in different situations.
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Clipping (signal processing)
Clipping is a form of distortion that limits a signal once it exceeds a threshold.
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Consumer Technology Association
The Consumer Technology Association (CTA), formerly Consumer Electronics Association (CEA), is a standards and trade organization for the consumer electronics industry in the United States.
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Crest factor
Crest factor is a parameter of a waveform, such as alternating current or sound, showing the ratio of peak values to the effective value.
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Decibel
The decibel (symbol: dB) is a unit of measurement used to express the ratio of one value of a physical property to another on a logarithmic scale.
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Deutsches Institut für Normung
Deutsches Institut für Normung e.V. (DIN; in English, the German Institute for Standardization) is the German national organization for standardization and is the German ISO member body.
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Distortion
Distortion is the alteration of the original shape (or other characteristic) of something.
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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.
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Eastern Acoustic Works
Eastern Acoustic Works (EAW) is an American manufacturer of mainly professional audio reinforcement tools, such as loudspeaker systems and processors.
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Electric power
Electric power is the rate, per unit time, at which electrical energy is transferred by an electric circuit.
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Electrical efficiency
The efficiency of an entity (a device, component, or system) in electronics and electrical engineering is defined as useful power output divided by the total electrical power consumed (a fractional expression), typically denoted by the Greek small letter eta (η – ήτα).
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Electrical load
An electrical load is an electrical component or portion of a circuit that consumes (active) electric power.
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Electrical resistance and conductance
The electrical resistance of an electrical conductor is a measure of the difficulty to pass an electric current through that conductor.
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Energy consumption
Energy consumption is the amount of energy or power used.
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Equal-loudness contour
An equal-loudness contour is a measure of sound pressure (dB SPL), over the frequency spectrum, for which a listener perceives a constant loudness when presented with pure steady tones.
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Excursion (audio)
Excursion is defined as how far the cone of a speaker linearly travels from its resting position.
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Federal Trade Commission
The Federal Trade Commission (FTC) is an independent agency of the United States government, established in 1914 by the Federal Trade Commission Act.
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Figure of merit
A figure of merit is a quantity used to characterize the performance of a device, system or method, relative to its alternatives.
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Heat sink
A heat sink (also commonly spelled heatsink) is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often air or a liquid coolant, where it is dissipated away from the device, thereby allowing regulation of the device's temperature at optimal levels.
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Hertz
The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.
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Home theater in a box
A "home theater in a box" (HTIB) is an integrated home theater package which "bundles" together a combination DVD or Blu-ray player, a multi-channel amplifier (which includes a surround sound decoder, a radio tuner, and other features), speaker wires, connection cables, a remote control, a set of five or more surround sound speakers (or more rarely, just left and right speakers, a lower-price option known as "2.1") and a low-frequency subwoofer cabinet.
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Input impedance
The input impedance of an electrical network is the measure of the opposition to current flow (impedance), both static (resistance) and dynamic (reactance), into the load network being that is external to the electrical source.
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International Electrotechnical Commission
The International Electrotechnical Commission (IEC; in French: Commission électrotechnique internationale) is an international standards organization that prepares and publishes International Standards for all electrical, electronic and related technologies – collectively known as "electrotechnology".
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JBL
JBL is an American company that manufactures loudspeaker and associated electronics.
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Logarithmic scale
A logarithmic scale is a nonlinear scale used when there is a large range of quantities.
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Loudness
In acoustics, loudness is the subjective perception of sound pressure.
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Loudspeaker
A loudspeaker (or loud-speaker or speaker) is an electroacoustic transducer; which converts an electrical audio signal into a corresponding sound.
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Marketing
Marketing is the study and management of exchange relationships.
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Ohm
The ohm (symbol: Ω) is the SI derived unit of electrical resistance, named after German physicist Georg Simon Ohm.
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Oscilloscope
An oscilloscope, previously called an oscillograph, and informally known as a scope or o-scope, CRO (for cathode-ray oscilloscope), or DSO (for the more modern digital storage oscilloscope), is a type of electronic test instrument that allows observation of varying signal voltages, usually as a two-dimensional plot of one or more signals as a function of time.
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Power (physics)
In physics, power is the rate of doing work, the amount of energy transferred per unit time.
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Power rating
In electrical engineering and mechanical engineering, the power rating of equipment is the highest power input allowed to flow through particular equipment.
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Power supply
A power supply is an electrical device that supplies electric power to an electrical load.
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Professional audio
Professional audio, abbreviated as pro audio, refers to both an activity and a category of high quality, studio-grade audio equipment.
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Programme level
Programme level refers to the signal level that an audio source is transmitted or recorded at, and is important in audio if listeners of Compact Discs (CDs), radio and television are to get the best experience, without excessive noise in quiet periods or distortion of loud sounds.
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Real versus nominal value (economics)
In economics, a real value of a good or other entity has been adjusted for inflation, enabling comparison of quantities as if prices had not changed.
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Rohm
is a Japanese electronic parts manufacturer based in Kyoto, Japan.
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Roll-off
Roll-off is the steepness of a transmission function with frequency, particularly in electrical network analysis, and most especially in connection with filter circuits in the transition between a passband and a stopband.
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Root mean square
In statistics and its applications, the root mean square (abbreviated RMS or rms) is defined as the square root of the mean square (the arithmetic mean of the squares of a set of numbers).
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Shelf stereo
A Magnavox 2.0 shelf stereo The term shelf stereo refers to any home stereo system that is small enough for placement on a shelf or other similar location.
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Sine wave
A sine wave or sinusoid is a mathematical curve that describes a smooth periodic oscillation.
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Sound level meter
A sound level meter is used for acoustic (sound that travels through air) measurements.
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Sound power
Sound power or acoustic power is the rate at which sound energy is emitted, reflected, transmitted or received, per unit time.
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Square wave
A square wave is a non-sinusoidal periodic waveform in which the amplitude alternates at a steady frequency between fixed minimum and maximum values, with the same duration at minimum and maximum.
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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.
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Subwoofer
A subwoofer (or sub) is a woofer, or a complete loudspeaker, which is dedicated to the reproduction of low-pitched audio frequencies known as bass and sub-bass.
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Surround sound
Surround sound is a technique for enriching the sound reproduction quality of an audio source with additional audio channels from speakers that surround the listener (surround channels).
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Total harmonic distortion
The total harmonic distortion (THD) is a measurement of the harmonic distortion present in a signal and is defined as the ratio of the sum of the powers of all harmonic components to the power of the fundamental frequency.
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Transistor
A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power.
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Vacuum tube
In electronics, a vacuum tube, an electron tube, or just a tube (North America), or valve (Britain and some other regions) is a device that controls electric current between electrodes in an evacuated container.
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Voltage
Voltage, electric potential difference, electric pressure or electric tension (formally denoted or, but more often simply as V or U, for instance in the context of Ohm's or Kirchhoff's circuit laws) is the difference in electric potential between two points.
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Watt
The watt (symbol: W) is a unit of power.
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Redirects here:
P.M.P.O., PMPO, Peak kilowatt, Pmpo, Power handling, RMS power, W (RMS), W RMS, Watt RMS, Watts (RMS), Watts RMS.
References
[1] https://en.wikipedia.org/wiki/Audio_power
