A brazing system for manufacturing an armored superconductor wire (10, 10a) comprising a first superconductor portion and at least one second conductor portion, said system comprising: - a first feeder of a superconductor wire, - a second feeder of a conductor wire, a layer of brazing alloy being applied to a first face of said conductor wire, - an aligning device for approaching said superconductor wire to said first face of said conductor wire, so that said superconductor wires and conductor are aligned along a common axial direction, - a furnace for melting said brazing alloy layer, characterized by - a collimator comprising: - at least one first plurality of rolls rotatable about respective first rotation axes orthogonal to said axial direction to compress said superconductor and conductor wire assembly and said layer of molten brazing alloy in direction orthogonal to said first face of said conductor wire, - at least one second plurality of rolls rotatable about respective first rotation axes orthogonal to said axial direction and to said first rotation axes to compress the sides of said superconductor and conductor wire assembly and said layer of molten brazing alloy in direction parallel to said first face of said conductor wire and orthogonal to axial direction, - cooling means downstream of said plurality of rolls (17, 18) to remove heat from said superconductor and conductor wire assembly and said molten brazing alloy layer to obtain the solidification of said brazing alloy layer. - a first feeder of a superconductor wire, - a second feeder of a conductor wire, a layer of brazing alloy being applied to a first face of said conductor wire, - an aligning device for approaching said superconductor wire to said first face of said conductor wire, so that said superconductor wires and conductor are aligned along a common axial direction, - a furnace for melting said brazing alloy layer, characterized by - a collimator comprising: - at least one first plurality of rolls rotatable about respective first rotation axes orthogonal to said axial direction to compress said superconductor and conductor wire assembly and said layer of molten brazing alloy in direction orthogonal to said first face of said conductor wire, - at least one second plurality of rolls rotatable about respective first rotation axes orthogonal to said axial direction and to said first rotation axes to compress the sides of said superconductor and conductor wire assembly and said layer of molten brazing alloy in direction parallel to said first face of said conductor wire and orthogonal to axial direction, - cooling means downstream of said plurality of rolls (17, 18) to remove heat from said superconductor and conductor wire assembly and said molten brazing alloy layer to obtain the solidification of said brazing alloy layer. - a collimator comprising: - at least one first plurality of rolls rotatable about respective first rotation axes orthogonal to said axial direction to compress said superconductor and conductor wire assembly and said layer of molten brazing alloy in direction orthogonal to said first face of said conductor wire, - at least one second plurality of rolls rotatable about respective first rotation axes orthogonal to said axial direction and to said first rotation axes to compress the sides of said superconductor and conductor wire assembly and said layer of molten brazing alloy in direction parallel to said first face of said conductor wire and orthogonal to axial direction, - cooling means downstream of said plurality of rolls (17, 18) to remove heat from said superconductor and conductor wire assembly and said molten brazing alloy layer to obtain the solidification of said brazing alloy layer. - at least one first plurality of rolls rotatable about respective first rotation axes orthogonal to said axial direction to compress said superconductor and conductor wire assembly and said layer of molten brazing alloy in direction orthogonal to said first face of said conductor wire, - at least one second plurality of rolls rotatable about respective first rotation axes orthogonal to said axial direction and to said first rotation axes to compress the sides of said superconductor and conductor wire assembly and said layer of molten brazing alloy in direction parallel to said first face of said conductor wire and orthogonal to axial direction, - cooling means downstream of said plurality of rolls (17, 18) to remove heat from said superconductor and conductor wire assembly and said molten brazing alloy layer to obtain the solidification of said brazing alloy layer.