Factory customized multiple layers inductor voice coil air wire coil air core inductor oxygen-free copper wire coil

Ⅰ,In the case of the same number of turns and volume, the "inductive reactance" value of the air-core inductor is much lower than that of the solid inductor; the air-core inductor is more suitable for occasions with a wide range of frequencies, while the solid inductive reactance has a serious frequency tendency; that is In other words, the hollow inductive reactance allows most of the audio or audio frequency to pass, and the solid inductive reactance is selective, allowing only a part of it to pass.