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53 relations: AC power, Amplifier, Antique radio, Audio signal, Bandwidth (signal processing), Bass (sound), Beep (sound), Bell Telephone Company, Capacitor, Choke (electronics), Damping ratio, Direct current, Distortion, Electrical impedance, Electrical polarity, Ferrous, Frequency response, Headphones, Horn loudspeaker, Impedance matching, Inductor, Inertia, Intercom, Intermodulation, Iron, Loudspeaker, Magnet, Magnetic field, Magnetization, Mass, Microphonics, Mid-range speaker, Paper, Pleat, Pole piece, Public address system, Radio receiver, Resistor, Resonance, Sensitivity (electronics), Solenoid, Sound quality, Speech, Spring (device), Telephone, Transformer, Transistor, Treble (sound), Triode, Tweeter, ..., Vacuum tube, Valve, Wire. Expand index (3 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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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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Antique radio
An antique radio is a radio receiving set that is collectible because of its age and rarity.
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Audio signal
An audio signal is a representation of sound, typically as an electrical voltage for analog signals and a binary number for digital signals.
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Bandwidth (signal processing)
Bandwidth is the difference between the upper and lower frequencies in a continuous band of frequencies.
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Bass (sound)
Bass describes tones of low (also called "deep") frequency, pitch and range from 16-256 Hz (C0 to middle C4) and bass instruments that produce tones in the low-pitched range C2-C4.
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Beep (sound)
A beep is a short, single tone, typically high-pitched, generally made by a computer or other machine.
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Bell Telephone Company
The Bell Telephone Company, a common law joint stock company, was organized in Boston, Massachusetts on July 9, 1877, by Alexander Graham Bell's father-in-law Gardiner Greene Hubbard, who also helped organize a sister company — the New England Telephone and Telegraph Company.
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Capacitor
A capacitor is a passive two-terminal electrical component that stores potential energy in an electric field.
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Choke (electronics)
In electronics, a choke is an inductor used to block higher-frequency alternating current (AC) in an electrical circuit, while passing lower-frequency or direct current (DC).
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Damping ratio
Damping is an influence within or upon an oscillatory system that has the effect of reducing, restricting or preventing its oscillations.
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Direct current
Direct current (DC) is the unidirectional flow of electric charge.
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Distortion
Distortion is the alteration of the original shape (or other characteristic) of something.
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Electrical impedance
Electrical impedance is the measure of the opposition that a circuit presents to a current when a voltage is applied.
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Electrical polarity
Electrical polarity is a term used throughout industries and fields that involve electricity.
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Ferrous
In chemistry, ferrous (Fe2+), indicates a divalent iron compound (+2 oxidation state), as opposed to ferric, which indicates a trivalent iron compound (+3 oxidation state).
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Frequency response
Frequency response is the quantitative measure of the output spectrum of a system or device in response to a stimulus, and is used to characterize the dynamics of the system.
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Headphones
Headphones (or head-phones in the early days of telephony and radio) are a pair of small loudspeaker drivers worn on or around the head over a user's ears.
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Horn loudspeaker
A horn loudspeaker is a loudspeaker or loudspeaker element which uses an acoustic horn to increase the overall efficiency of the driving element(s).
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Impedance matching
In electronics, impedance matching is the practice of designing the input impedance of an electrical load or the output impedance of its corresponding signal source to maximize the power transfer or minimize signal reflection from the load.
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Inductor
An inductor, also called a coil, choke or reactor, is a passive two-terminal electrical component that stores energy in a magnetic field when electric current flows through it.
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Inertia
Inertia is the resistance of any physical object to any change in its position and state of motion.
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Intercom
An intercom (intercommunication device), talkback or doorphone is a stand-alone voice communications system for use within a building or small collection of buildings, functioning independently of the public telephone network (Azori 2016).
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Intermodulation
Intermodulation (IM) or intermodulation distortion (IMD) is the amplitude modulation of signals containing two or more different frequencies, caused by nonlinearities in a system.
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Iron
Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.
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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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Magnet
A magnet is a material or object that produces a magnetic field.
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Magnetic field
A magnetic field is a vector field that describes the magnetic influence of electrical currents and magnetized materials.
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Magnetization
In classical electromagnetism, magnetization or magnetic polarization is the vector field that expresses the density of permanent or induced magnetic dipole moments in a magnetic material.
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Mass
Mass is both a property of a physical body and a measure of its resistance to acceleration (a change in its state of motion) when a net force is applied.
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Microphonics
Microphonics or microphony describes the phenomenon wherein certain components in electronic devices transform mechanical vibrations into an undesired electrical signal (noise).
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Mid-range speaker
A mid-range speaker is a loudspeaker driver that reproduces sound in the frequency range from 250 to 2000 Hz.
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Paper
Paper is a thin material produced by pressing together moist fibres of cellulose pulp derived from wood, rags or grasses, and drying them into flexible sheets.
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Pleat
A pleat (older plait) is a type of fold formed by doubling fabric back upon itself and securing it in place.
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Pole piece
A pole piece is a structure composed of material of high magnetic permeability that serves to direct the magnetic field produced by a magnet.
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Public address system
A public address system (PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment.
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Radio receiver
In radio communications, a radio receiver (receiver or simply radio) is an electronic device that receives radio waves and converts the information carried by them to a usable form.
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Resistor
A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element.
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Resonance
In physics, resonance is a phenomenon in which a vibrating system or external force drives another system to oscillate with greater amplitude at specific frequencies.
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Sensitivity (electronics)
The sensitivity of an electronic device, such as a communications system receiver, or detection device, such as a PIN diode, is the minimum magnitude of input signal required to produce a specified output signal having a specified signal-to-noise ratio, or other specified criteria.
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Solenoid
A solenoid (/ˈsolə.nɔɪd/) (from the French solénoïde, derived in turn from the Greek solen ("pipe, channel") and eidos ("form, shape")) is a coil wound into a tightly packed helix.
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Sound quality
Sound quality is typically an assessment of the accuracy, enjoyability, or intelligibility of audio output from an electronic device.
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Speech
Speech is the vocalized form of communication used by humans and some animals, which is based upon the syntactic combination of items drawn from the lexicon.
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Spring (device)
A spring is an elastic object that stores mechanical energy.
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Telephone
A telephone, or phone, is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly.
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Transformer
A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
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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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Treble (sound)
Treble refers to tones whose frequency or range is at the higher end of human hearing.
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Triode
A triode is an electronic amplifying vacuum tube (or valve in British English) consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid, and a plate (anode).
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Tweeter
A tweeter or treble speaker is a special type of loudspeaker (usually dome or horn-type) that is designed to produce high audio frequencies, typically from around 2,000 Hz to 20,000 Hz (generally considered to be the upper limit of human hearing).
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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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Valve
A valve is a device that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways.
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Wire
A wire is a single, usually cylindrical, flexible strand or rod of metal.
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References
[1] https://en.wikipedia.org/wiki/Moving_iron_speaker
