A magnet system for an electromechanical transducer; wherein said magnet system comprises a first set of magnets and a second set of magnets; - wherein said first set of magnets comprises a first, inner annular magnet and a first outer, annular magnet; - wherein said second set of magnets comprises a second, inner annular magnet and a second, outer annular magnet; - wherein said first, inner annular magnet is arranged in the interior of said first outer annular magnet; - wherein said second inner annular magnet is arranged in the interior of said second outer annular magnet; - wherein the magnetic polarity in respect of said first, inner annular magnet, said first, outer annular magnet, said second, inner annular magnet and of said second, outer annular magnet is having a direction corresponding to a direction perpendicular to the annular extension of said magnets; - wherein said magnet system comprises a first pole piece arrangement, said first pole piece arrangement comprises a first, inner annular pole piece and a first, outer annular pole piece, wherein said first, inner annular pole piece is arranged within the interior of said first, outer annular pole piece; - wherein said first pole piece arrangement is being arranged between said first set of magnets and said second set of magnets; - wherein the magnetic polarity of said first, inner annular magnet is opposite to the magnetic polarity of said first, outer annular magnet; - wherein the magnetic polarity of said first, inner annular magnet is opposite to the magnetic polarity of said second, inner annular magnet; and - wherein the magnetic polarity of said first, outer annular magnet is opposite to the magnetic polarity of said second, outer annular magnet; and - wherein said first, inner annular magnet and said first outer, annular magnet are having geometries and dimensions so that a first magnet air gap is being present between said first, inner annular magnet and said first, outer annular magnet; and - wherein said second, inner annular magnet and said second, outer annular magnet are having geometries and dimensions so that a second magnet air gap is being present between said second, inner annular magnet and said second, outer annular magnet; and - wherein said said first, inner annular pole piece and said first, outer annular pole piece are having geometries and dimensions so that a first pole piece air gap is being present between said first, inner annular pole piece and said first, outer annular pole piece; characterized in that said first, inner pole piece and said first, outer pole piece are being made from a non-ferromagnetic material. - wherein said first set of magnets comprises a first, inner annular magnet and a first outer, annular magnet; - wherein said second set of magnets comprises a second, inner annular magnet and a second, outer annular magnet; - wherein said first, inner annular magnet is arranged in the interior of said first outer annular magnet; - wherein said second inner annular magnet is arranged in the interior of said second outer annular magnet; - wherein the magnetic polarity in respect of said first, inner annular magnet, said first, outer annular magnet, said second, inner annular magnet and of said second, outer annular magnet is having a direction corresponding to a direction perpendicular to the annular extension of said magnets; - wherein said magnet system comprises a first pole piece arrangement, said first pole piece arrangement comprises a first, inner annular pole piece and a first, outer annular pole piece, wherein said first, inner annular pole piece is arranged within the interior of said first, outer annular pole piece; - wherein said first pole piece arrangement is being arranged between said first set of magnets and said second set of magnets; - wherein the magnetic polarity of said first, inner annular magnet is opposite to the magnetic polarity of said first, outer annular magnet; - wherein the magnetic polarity of said first, inner annular magnet is opposite to the magnetic polarity of said second, inner annular magnet; and - wherein the magnetic polarity of said first, outer annular magnet is opposite to the magnetic polarity of said second, outer annular magnet; and - wherein said first, inner annular magnet and said first outer, annular magnet are having geometries and dimensions so that a first magnet air gap is being present between said first, inner annular magnet and said first, outer annular magnet; and - wherein said second, inner annular magnet and said second, outer annular magnet are having geometries and dimensions so that a second magnet air gap is being present between said second, inner annular magnet and said second, outer annular magnet; and - wherein said said first, inner annular pole piece and said first, outer annular pole piece are having geometries and dimensions so that a first pole piece air gap is being present between said first, inner annular pole piece and said first, outer annular pole piece;