Ma coil a Air-core amatha kugwiritsidwa ntchito ngati zosinthira zamakono, zokhala ndi gulu lafupipafupi, kakulidwe kakang'ono, kulemera kopepuka, koyenera kuyeza kwa digito, ndi chitetezo cha microcomputer. Amagwiritsidwa ntchito kwambiri paukadaulo wapa kanema wawayilesi, ukadaulo wamawu, kutumiza mauthenga, kulandira ndi kusefa mphamvu, mutu wa wailesi ya VCD, amplifier mlongoti, chojambulira makaseti a wailesi, maikolofoni ya mlongoti ndi magawo ena.