What is the difference in TL from the VTL and Effective TL?
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                                    VA ONE                            
                            
                
                                    Vibro-Acoustics                            
            
        
        |2017年3月13日            
    
         
                            The difference is that with Effective TL you select a single area junction and with VTL you select a set of panels. The only practical difference is in the area of the connection between the cavities