The speaker accessory BASV voice coil is directly defined as a coil through the audio current, which is an important part of the electric speaker vibration system, and can also be said to be the heart of the speaker. The performance of the speaker accessories BASV voice coil will affect the sound pressure frequency characteristics of the speaker, sound pressure level, impedance curve, distortion, transient characteristics, speaker parameters, sound quality, etc., especially related to the power and life of the speaker.
Speaker assembly BASV voice coil structure
The most common voice coil is the voice coil with skeleton. As shown in the reference picture, the speaker accessory BASV voice coil is composed of the following parts.
1. Voice coil skeleton (BOBBIN). It is a skeleton supporting a coil, usually composed of kraft paper, asbestos paper, Nomex, polyimide, aluminum foil, copper foil, glass fiber, and the like.
2, enameled wire. Usually consists of self-melting enameled wire such as lacquered oxygen-free copper wire, copper clad aluminum wire, pure aluminum wire and so on.
3. Reinforce the paper. Used to secure leads and enhance the rigidity of the voice coil skeleton, usually consisting of kraft paper, crepe paper, Spunlace, Nomex and some special composite materials.
4, Jin silk line. It is wound by one or more copper alloys or silver alloy sheets, and then stranded or woven with the strands, and waxing, waterproofing, antistatic treatment, etc. may be added as needed.
