Examine any mid-range speaker driver and you will see the copper voice coil, the magnet, and the accordian-like fabric "spider" element. All motion of the cone is reciprocated and opposed by the spider. This causes the droning tone of spoken male voices and the "muddiness" of the tone of the wound strings of the electric guitar. Less obviously, it detracts from the clarity of the other instruments and voices. I suggest a driver made from an elastic cone-shaped element tensioned by a wire leading from its apex. Electric guitar pickups, here functioning as output transducers, are arrayed parallel to the wire. Each has 6 magnet-and-coil units.
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