Nominal Specifications
              
				    
                | Nominal Diameter | 
                460 mm (18 in) | 
               
                
                | Overall Diameter | 
                460 mm (18.11 in) | 
               
                
                | Bolt Circle Diameter | 
                440 mm (17.32 in) | 
               
                
                | Baffle Cutout Diameter | 
                422 mm (16.61 in) | 
               
                
                | Depth | 
                215 mm (8.46 in) | 
               
                
                | Flange and Gasket Thickness | 
                13.9 mm (0.55 in) | 
               
                
                | Net Weight | 
                7.3 kg (16.1 lb) | 
               
                
                Shipping Box (Single Carton Box) | 
                503 x 500 x 258 mm  (19.8 x 19.7 x 10.2 in) | 
               
                
                | Shipping Weight | 
                8.7 kg (19.2 lb) | 
               
                         
               
               
              Technical Parameters
              
                                
                  | Nominal Impedance | 
                  8 Ohm | 
                 
                                
                  | Minimum Impedance | 
                  6.3 Ohm | 
                 
                                
                  | AES Power Handling (1) | 
                  1200 W | 
                 
                                
                  | Maximum Power Handling (2) | 
                  2400 W | 
                 
                                
                  | Sensitivity (1W/1m) | 
                  98 dB | 
                 
                                
                  | Frequency Range | 
                  35÷1600 Hz | 
                 
                                
                  | Voice Coil Diameter | 
                  100 mm (4 in) | 
                 
                                
                  | Winding Material | 
                  Cu | 
                 
                                
                  | Former Material | 
                  Glass Fiber | 
                 
                                
                  | Winding Depth | 
                  28.9 mm (1.14 in) | 
                 
                                
                  | Magnetic Gap Depth | 
                  12 mm (0.47 in) | 
                 
                                
                  | Flux Density | 
                  1.22 T | 
                 
                                
                  | Magnet | 
                  Neodymium Ring | 
                 
                                
                  | Basket Material | 
                  Aluminum | 
                 
                                
                  | Demodulation | 
                  Aluminum Ring | 
                 
                                
                  | Cone Surround (3) | 
                  Triple Roll | 
                 
                                
                  | NET Air Volume filled by Loudspeaker | 
                  5.3 dm^3 (0.187 ft^3) | 
                 
                                
                  | Spider Profile | 
                  2x non-adjacent symmetrical variable height waves | 
                 
                                | 
            
            Thiele and small parameters
            
                              
                | Fs | 
                35 Hz | 
               
                              
                | Re | 
                5 Ohm | 
               
                              
                | Qes | 
                0.38 | 
               
                              
                | Qms | 
                11.1 | 
               
                              
                | Qts | 
                0.37 | 
               
                              
                | Vas | 
                200.3 dm^3 (7.07 ft^3) | 
               
                              
                | Sd | 
                1212 cm^2 (187.86 in^2) | 
               
                              
                | Xmax (4) | 
                12.45 mm | 
               
                              
                | Xdamage (5) | 
                21 mm | 
               
                              
                | Mms | 
                211.8 g | 
               
                              
                | Bl | 
                24.8 N/A | 
               
                              
                | Le | 
                1.26 mH | 
               
                              
                | Mmd | 
                164.1 g | 
               
                              
                | Cms | 
                0.10 mm/N | 
               
                              
                | Rms | 
                4.2 kg/s | 
               
                              
                | Eta Zero | 
                2.20 % | 
               
                              
                | EBP | 
                92 Hz | 
               
                           
             
             
              PART NUMBER (P/N)
              
                                
                  | Push Terminals - 8 Ohm Version | 
                  04604053 | 
                 
                               
               
               
               
              Notes:
              
                                
                  | (1) 2 Hours Test According to AES 2-1984 Rev. 2003 | 
                 
                                
                  | (2) Maximum power is defined as 3dB greater than nominal power. | 
                 
                                
                  | (3) Treated Polycotton | 
                 
                                
                  | (4) Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3) | 
                 
                                
                  | (5) Maximum excursion before permanent damage | 
                 
                              
              |