Gas turbine combustor comprising: - a plurality of burner assemblies arranged adjacent each other, wherein each burner assembly comprises a front panel with a front face facing a combustion chamber and a back face facing away from the combustion chamber and connected to a burner throat, the front panel being provided with a top edge and a bottom edge a left edge and the right edge; the left edge and the right edge having a slot; - a plurality of strip seal arrangements configured to provide a seal between a first front panel of a burner assembly and a second front panel of an adjacent burner assembly: wherein each strip seal arrangement comprises: a sealing plate with a front face facing the combustion chamber and a back face facing away from the combustion chamber; the sealing plate being partially inserted in two adjacent slots of two adjacent burner assemblies and comprises a portion exposed to the combustion chamber; one or more holes of a predefined cross-sectional area extending through a thickness of the sealing plate positioned along a length of the sealing plate at the portion exposed to the combustion chamber; and one or more containers having a predefined volume attached to the back face of the sealing plate in fluid communication with the one or more holes to create at least one acoustic damper. - a plurality of burner assemblies arranged adjacent each other, wherein each burner assembly comprises a front panel with a front face facing a combustion chamber and a back face facing away from the combustion chamber and connected to a burner throat, the front panel being provided with a top edge and a bottom edge a left edge and the right edge; the left edge and the right edge having a slot; - a plurality of strip seal arrangements configured to provide a seal between a first front panel of a burner assembly and a second front panel of an adjacent burner assembly: wherein each strip seal arrangement comprises: a sealing plate with a front face facing the combustion chamber and a back face facing away from the combustion chamber; the sealing plate being partially inserted in two adjacent slots of two adjacent burner assemblies and comprises a portion exposed to the combustion chamber; one or more holes of a predefined cross-sectional area extending through a thickness of the sealing plate positioned along a length of the sealing plate at the portion exposed to the combustion chamber; and one or more containers having a predefined volume attached to the back face of the sealing plate in fluid communication with the one or more holes to create at least one acoustic damper. a sealing plate with a front face facing the combustion chamber and a back face facing away from the combustion chamber; the sealing plate being partially inserted in two adjacent slots of two adjacent burner assemblies and comprises a portion exposed to the combustion chamber; one or more holes of a predefined cross-sectional area extending through a thickness of the sealing plate positioned along a length of the sealing plate at the portion exposed to the combustion chamber; and one or more containers having a predefined volume attached to the back face of the sealing plate in fluid communication with the one or more holes to create at least one acoustic damper.