Weak current College】 【loudspeaker manufacturing materials are those.

Speaker materials refers to in-car speaker cone loudspeaker with manufacturing materials. At present the material contained in the speaker to treble and bass unit to distinguish different.
Treble unit if mainly for digital audio sources, material quality better silk film and lower-cost, flexible membrane PV ball as it is in line with the digital audio sources reduces high-frequency signal a sense of hard, soft, smooth, and smooth feeling; treble unit if mainly for analog audio sources, materials to titanium ball.

Bass unit determines the characteristics of on-board sound, select relative importance, the most common are the following:

Cone, packing tape, paper-based wool basins, tight repression basin several, cone with sound natural, cheap, good rigidity, material lesser sensitivity compared to the advantages, disadvantages are moist, it is difficult to control the consistency of the time of manufacture.

Bullet-proof fabric, with wide frequency response and low distortion, strong bass who was passionately fond of choice, the disadvantage is the high costs, making complex, sensitivity is not high and light music effect is not very satisfactory.

Wool woven basin, soft texture, its soft music and light music performance is excellent, but the bass is poor, weak and shocking.

Polypropylene Cone, consistent good low distortion, now widely used in high-end car speakers.

In addition, some luxury car speakers also adopted PPTA diaphragm, polyether imide cone loudspeaker with, new in its range. PPTA diaphragm and metal material diaphragm similar performance, but no metal materials often occur in the shrill sound of the Horn can be delicate, vivid sound characteristics. Polyether imide cone loudspeaker with in its range (PEI) ether and poly-imide resin mixture of xian, used in its range and high range cone loudspeaker with materials, has excellent physical properties. PEI can emit a clear sound and has high rigidity, durability, high heat-resistance to chemical materials and weather.