Separator (100, 300, 400, 500) for separating granular material to be separated into at least one fraction of fine material and into one fraction of coarse material, having - a housing in which a stepped cascade (108, 108') which is permeable to separating gas is installed at an angle () deviating from the horizontal; - at least one inflow duct into the housing for separating gas; and - at least one outflow duct (105a, 105a', 105b, 105b') out of the housing for separating gas charged with fine material; wherein separating slats (107, 107') which are disposed on top of one another in the manner of Venetian blinds are disposed opposite the stepped cascade (108, 108') and separated by a separating zone; and wherein a material inlet opening (102, 102', 102", 102′′′) is disposed above the separating zone on the upper side of the housing; and a material discharge opening (104, 104') for the coarse material is disposed below the separating zone on the lower side of the housing, wherein at least two mutually opposite individual separators (100', 100", 100′′′, 100ʺʺ) are pneumatically interconnected by a common pressure equalization chamber by way of which the separating gas flows into the respective inflow ducts (103', 103") of the at least two individual separators (100', 100", 100''', 100ʺʺ), characterized in that the pressure equalization chamber is delimited by a roof (D,) a base and a rear face, as well as by a front wall and wherein the pressure equalization chamber is connected to the inflow ducts of the at least two individual separators (100', 100", 100′′′, 100ʺʺ) by way of a perforated panel wall or mesh wall (109, 109'). - a housing in which a stepped cascade (108, 108') which is permeable to separating gas is installed at an angle () deviating from the horizontal; - at least one inflow duct into the housing for separating gas; and - at least one outflow duct (105a, 105a', 105b, 105b') out of the housing for separating gas charged with fine material; wherein separating slats (107, 107') which are disposed on top of one another in the manner of Venetian blinds are disposed opposite the stepped cascade (108, 108') and separated by a separating zone; and wherein a material inlet opening (102, 102', 102", 102′′′) is disposed above the separating zone on the upper side of the housing; and a material discharge opening (104, 104') for the coarse material is disposed below the separating zone on the lower side of the housing, wherein at least two mutually opposite individual separators (100', 100", 100′′′, 100ʺʺ) are pneumatically interconnected by a common pressure equalization chamber by way of which the separating gas flows into the respective inflow ducts (103', 103") of the at least two individual separators (100', 100", 100''', 100ʺʺ), characterized in that the pressure equalization chamber is delimited by a roof (D,) a base and a rear face, as well as by a front wall and wherein the pressure equalization chamber is connected to the inflow ducts of the at least two individual separators (100', 100", 100′′′, 100ʺʺ) by way of a perforated panel wall or mesh wall (109, 109'). wherein separating slats (107, 107') which are disposed on top of one another in the manner of Venetian blinds are disposed opposite the stepped cascade (108, 108') and separated by a separating zone; and wherein a material inlet opening (102, 102', 102", 102′′′) is disposed above the separating zone on the upper side of the housing; and a material discharge opening (104, 104') for the coarse material is disposed below the separating zone on the lower side of the housing, wherein at least two mutually opposite individual separators (100', 100", 100′′′, 100ʺʺ) are pneumatically interconnected by a common pressure equalization chamber by way of which the separating gas flows into the respective inflow ducts (103', 103") of the at least two individual separators (100', 100", 100''', 100ʺʺ), the pressure equalization chamber is delimited by a roof (D,) a base and a rear face, as well as by a front wall and wherein the pressure equalization chamber is connected to the inflow ducts of the at least two individual separators (100', 100", 100′′′, 100ʺʺ) by way of a perforated panel wall or mesh wall (109, 109').