I saw you are located in Italy.
A good alternative for the Mackie is Soundcraft Spirit Folio line as these are way cheaper as Mackies in Europe! and definately same quality.
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Keyboards/Sound Units: Kurzweil 2600S, Roland VR-760, Acces Virus C, Roland G-800, Akai AX60, Minimoog, Machine Drum, Roland R8-M, mediastation x-76