The electrostatic principle has many advantages; these can apply to the construction of electrostatic speakers. The construction of this kind of loudspeakers helps to create speakers with better transient response, lower coloration, and non-linear distortion. Moreover, the radiation qualities tend to work better with room acoustics. The electrostatic loudspeaker includes a pretty light and flexible…
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The diaphragm of ribbon speakers is conductive, positioned in a transverse magnetic field and supported by both ends. When an air current passes through the diaphragm, a perpendicular force results. This generates an even trust on the diaphragm that is typically thin and light. Ribbons are a type of flat-panel speakers. Ribbon Speakers and Electrostatic…
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Planar magnetic speakers are similar to the electrostatic ones; both are a type of flat-panel speakers. These devices are nearly identical because they both have a large, thin, and vertically oriented plastic diaphragm that operates as a vibrating element. As the name suggests, planar magnetic speakers are based on traditional magnetic principles (as are magnetostatic…
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Bending wave speakers operate on a basic principle. For a moment, imagine throwing a stone into a lake. When the stone falls, the surface of the water suffers a destabilization caused by an impulse. The wave produced tends to spread evenly on each side. Applied to bending wave speakers, this basic principle functions too. An…
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Flat-panel loudspeakers involve both a panel and an inertia exciter. Their structural vibration and acoustic radiation are quite unique. These devices have flexural resonance and the panel tends to vibrate randomly. Simulation tools are essential for flat-panel loudspeakers because they help with the integration process. The finite element analysis, the fast Fourier, and the electro-mechanical…
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People often confuse air-motion speakers with ribbon loudspeakers, but they are rather different. To begin with, a ribbon one emits a sound when the whole diaphragm moves forward and backwards in a consistent way. Within this process, the plates never change their angles. In contrast, the air-motion transformer shifts its diaphragm in a very different…
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Transparent ionic conduction speakers involve the latest technology. It’s been only a few years since they became available to the public. A couple of Harvard University researchers developed an application of ionic conductivity by designing a clear artificial muscle that produces sounds spanning the complete audible spectrum. Transparent Ionic Conduction Speakers: the Process The composition…
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Plasma arc speakers, also known as ionophores, are a type of loudspeaker that modifies air pressure with a high-energy electrical plasma. When connected to the output of an audio amp, the plasma speakers change the size of the electric arc, the plasma glow discharge, or the corona discharge. Eventually, they operate as a massless radiating…
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Thermoacoustic speakers are devices that produce sound waves from temperature fluctuations. They are good at heating up and cooling down conducting materials. Since they do not rely on vibrations to produce sounds, they only need a simple structure in order to generate sound. These speakers create good quality sound in all directions, so you can…
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Recently, Chinese researchers developed loudspeakers as thin as paper: these are the nanotube speakers. Users can attach it to windows, walls, or clothes. Additionally, people can even insert this loudspeaker into a human ear! The devices consist of transparent carbon nanotube films. People consider them the smallest loudspeakers in the world. Because of their size…
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