Classification of headphones
1. According to the working principle
There are mainly two types of dynamic and electrostatic earphones. Although there are several other types of magnetic earphones besides these two types, they have either been eliminated or used for professional use and have very little market share. , will not be discussed here.
Moving coil headphones: At present, the vast majority (about 99%) of earphones and earplugs belong to this category. The principle is similar to that of ordinary speakers. The coil in the permanent magnet field is connected to the diaphragm, and the coil is driven by the signal current to drive the diaphragm to produce sound.
Electrostatic earphone: The diaphragm is in a changing electric field. The diaphragm is extremely thin and accurate to a few microns (currently, the new generation of STAX's electrostatic earphone diaphragm is accurate to 1.35 microns). The coil is driven by the electric field force to drive the diaphragm to produce sound.
2: According to the degree of openness
Mainly open, semi-open, closed (closed)
Open earphones generally have a natural sense of hearing and are comfortable to wear. They are commonly used in HIFI earphones for home enjoyment. The sound can leak, and vice versa, you can also hear the sound of the outside world, and the earphones have less pressure on the ears.
Semi-open: There are no strict regulations, the sound can only come in or not, and make corresponding adjustments as needed.
Closed type: The earmuffs put a lot of pressure on the ears to prevent the sound from entering and leaving, and the sound is positioned correctly. This type of earphone is often seen in the field of professional monitoring. However, this type of earphone has a disadvantage that the bass sound is seriously dyed, and the A50 is an obvious example.
3: By use
Mainly used for Home, Portable, Monitor, Mix, Binaural Recording.
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