magnetic transducing head , comprising a core of magnetizable material having two slightly spaced limbs defining a transducing gap between them , a bundle of insulated wires of electrically conducting material running parallel to the transducing gap being bonded both to the inside and to the outside of at least one core limb , the ends of the wires of different bundles located on the same side of the core limb being connected together by means of connection wires in such a manner that a plurality of electrical turns is formed .