The standard input voltage for the electroacoustic component to work under normal working condition

The normal temperature for the electroacoustic component to functional properly.

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The working voltage range for a buzzr to work under normal conditions.

The delay between the input voltage trigger and the actual sound emission.

An enclosure to encase the interla components, hard enough but free of resonance noise.

Receives external electrical signal and processes it in the oscillation circuit on the board.

Receives external electrical signal and connects it to the coil terminals.

A porosus piece of cloth to prevent foregin material like water and dust from entering the microphone.

The DC resistance of the coil in electromagnetic buzzers and speakers.

The impedance measured on a speaker working at rated frequency, consisting of DC resistance and inducatance and eddy effect.

Describes how the microphone’s reception changes from different directions of sound source

Encompasses the electromotor and vibration system, hard enough but free of resosnacne noise.

The coil in electromagnetic acoustic components, when conducted an alternating magnetic field occurs around it to propel the diaphragm.

Describes the sound output level when a sound wave travels through a vibrating medium.

Receives sound waves and convert the vibration into electromechanical signals.

Receives electromechanical signals and convert it into air pressure variations.

The current that the electroacoustic components consume when working.

The ratio of the output signal strength to internal noise, the more the cleaner the signal.

A small plate of added mass on the buzzer’s diaphragm to tweak the sound output and frequencty characteristics.

Magnifies the electric signal generated by the microphone’s capacitive element.

The maximal voltage a microphone can handle in a short time when working.

The maximal sound level input a microphone can handle without producing too much harmonic distortion.

The maximal input power a speaker can handle in a short time when working.

The magnitude of the output electrical signal, given a sound pressure input.

A piece of often soft iron material used to conduct magnetic field, and forms the magnetic motor system along with the manget and basket.

Electret plate that forms a capacitive element in a electret condenser microphone.

A combination of piezo ceramic plate and brass plate which vibrates according to the power-saving piezo effect.

Placed in the output signal chain to filter unrelated noise.

Cushion material shaped like a ring around the diaphragm, as a contact between the speaker’s basket and the housing.

Serves as insulative gasket bewteen conductive plates in an electret condenser microphone.

Magnetic material that’s often ferrite, Alnico or NdFeB in cases of speakers.

Magnetic material that’s often ferrite or plastic magnets in terms of buzzers.

Holds the speaker’s diaphragm and voice coil and provides vibration compliance.

The vibrating mass in electroacoustics components

The soft iron surrounded by the coil in electromagnetic buzzers.

The first low fundamental resonant frequency of a speaker bare component.

Refers to the maximal sound output frequency in transducer buzzers and to the rated pre-determined frequency in indicator buzzers.

The impedance of a microphone’s electrical signal output after it receives sound pressure signals.

The flattened part of a response curve that specifies the upper and lower working bandwidth.

The normal temperature at which electroacoustic components can be stored without possible harms.

The proportion of all harmonic waves of the output signal when a speaker is input a pure sine wave.

The standard input power of a speaker under normal working condition.

The soft and flexible material that surrounds the diaphragm which provides compliance.