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Are you sure you know all the cold knowledge of the speaker industry?

2021-08-23 427
Whether you are an audiophile or an ordinary music lover, you will have one or two speakers in your home. Although you use them every day, not everyone knows your baby. This article will do a simple science for you, what are the cabinet materials of the speakers on the market, and what are their characteristics.

Wooden material
Our most common and popular one is wooden speakers, but it is worth noting that wooden cabinets are not equivalent to pure logs. According to the classification of materials, wooden boards can be divided into two categories: solid wood boards and artificial boards.
The first type of natural solid wood, its cost is relatively high, and its quality is much heavier than speakers of the same volume, and it is usually used in high-end speakers. The board of solid wood speakers usually chooses precious hardwoods such as mahogany, rosewood, peach wood, sandalwood, etc., preferably a seamless whole board, which is the top material for the production of speakers. However, such materials are difficult to find, expensive, and difficult to process. Followed by are willow wood, jujube wood, catalpa wood, etc. The ones with high specificity and uniform wood are better. The new material is easily deformed when wet, so it can be applied after drying. Therefore, sometimes in high-end products, different woods are also used as product grade marks.
But for the vast majority of household-level users, the most common wood material is wood-based panels. Among them, the density board is also called fiberboard. It is made by soaking wood, tree technology and other objects in water and then hot grinding, paving, and hot pressing. It is made of wood fiber or other plant fibers and applied with urea-formaldehyde resin or other suitable materials. Man-made panels made of adhesive. Density boards can be divided into high-density boards (density ≥880 kg/m3), medium-density boards (density 550 kg-880 kg/m3), low-density boards (density less than 550 kg/m3) . Because of its soft, impact-resistant, high strength, uniform density after pressing, it is easy to reprocess, but the disadvantage is that it has poor water resistance. Therefore, it is common to use it as a speaker cabinet.
Particle board is also called particle board or bagasse board. It is a wood-based board made of wood or other lignocellulosic materials and glued under the action of heat and pressure after applying an adhesive. It is also called particle board. Mainly used in the furniture and construction industry, as well as the manufacture of trains and automobile carriages. The finished particleboard does not need to be dried again, can be used directly, and has good sound absorption and sound insulation properties. But it also has its inherent shortcomings. Because the edges are rough and easy to absorb moisture, the edge banding process of furniture made of particleboard is particularly important. In addition, due to the large volume of particleboard, furniture made of it is also heavier than other boards.

Plastic material:

They are made of plastic materials, which are light and plastic in appearance. The advantage of plastic is that it is easy to process, the appearance can be made better, and it can be made at a very low cost in mass production. But it doesn't mean that plastic is synonymous with low-end. Like some well-known domestic and foreign brands, plastic materials are also used in high-end products, which can also produce good sound. We cannot simply think that the sound quality of plastic speakers is definitely not as good as wooden speakers. The material requirement of the speaker cabinet is that it is not easy to produce resonance, which affects the sound quality. As long as the plastic speaker is specially designed or used with special plastic materials, and has a good process guarantee, it can also achieve a better acoustic effect.

Are you sure you know all the cold knowledge of the speaker industry?

Glass material:
Now some major foreign brands, in order to pursue the aesthetics and artistry of the speakers, will also choose glass as the cabinet. But it is worth noting that this material is actually not silica glass in our traditional sense, but a fashionable plexiglass. Unlike glass in the traditional sense, it is not as fragile as we think in terms of material, and its material has good transparency, chemical stability, mechanical properties and weather resistance.

Metal material:
Although metal speakers are not common in daily life, it does not mean that they are not suitable for speaker cabinets. Metal is stronger than wood and plastic in strength and density, so it can create a more distinctive tone. In addition, due to the color and texture of the metal material itself, it is very in line with the current mainstream aesthetic orientation, so metal speakers also give people a very high-end feel. Many small-sized portable speakers use metal materials. In Bluetooth or WiFi small speakers, the use of metal is even more extensive.

Based on the above, we can see that there are many types of speaker materials, and each has its advantages and disadvantages. There is no final conclusion about which material is more suitable for the cabinet. What we need to pay attention to when buying is the stability of its product quality, and The user's own preference for the sound of speakers.
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