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 | 
                223 mm (8.78 in) | 
               
                
                | Flange and Gasket Thickness | 
                14 mm (0.55 in) | 
               
                
                | Net Weight | 
                14.7 kg (32.4 lb) | 
               
                
                Shipping Box (Single Carton Box) | 
                490 x 485 x 275 mm  (19.3 x 19.1 x 10.8 in) | 
               
                
                | Shipping Weight | 
                16.2 kg (35.7 lb) | 
               
                         
               
               
              Technical Parameters
              
                                
                  | Nominal Impedance | 
                  8 Ohm | 
                 
                                
                  | Minimum Impedance | 
                  6.5 Ohm | 
                 
                                
                  | AES Power Handling (1) | 
                  1600 W | 
                 
                                
                  | Maximum Power Handling (2) | 
                  3200 W | 
                 
                                
                  | Sensitivity (1W/1m) | 
                  97 dB | 
                 
                                
                  | Frequency Range | 
                  30÷1500 Hz | 
                 
                                
                  | Voice Coil Diameter | 
                  100 mm (4 in) | 
                 
                                
                  | Winding Material | 
                  Cu | 
                 
                                
                  | Former Material | 
                  Glass Fiber | 
                 
                                
                  | Winding Depth | 
                  31 mm (1.22 in) | 
                 
                                
                  | Magnetic Gap Depth | 
                  15 mm (0.59 in) | 
                 
                                
                  | Flux Density | 
                  1.1 T | 
                 
                                
                  | Magnet | 
                  Ferrite Ring | 
                 
                                
                  | Basket Material | 
                  Aluminum | 
                 
                                
                  | Demodulation | 
                  Triple Al Dem. Ring | 
                 
                                
                  | Cone Surround (3) | 
                  Triple Roll | 
                 
                                
                  | NET Air Volume filled by Loudspeaker | 
                  7.4 dm^3 (0.261 ft^3) | 
                 
                                
                  | Spider Profile | 
                  2x non-adjacent symmetrical constant height waves | 
                 
                                | 
            
            Thiele and small parameters
            
                              
                | Fs | 
                32 Hz | 
               
                              
                | Re | 
                5.4 Ohm | 
               
                              
                | Qes | 
                0.39 | 
               
                              
                | Qms | 
                10.0 | 
               
                              
                | Qts | 
                0.38 | 
               
                              
                | Vas | 
                195.9 dm^3 (6.92 ft^3) | 
               
                              
                | Sd | 
                1212 cm^2 (187.86 in^2) | 
               
                              
                | Xmax (4) | 
                13.00 mm | 
               
                              
                | Xdamage (5) | 
                30 mm | 
               
                              
                | Mms | 
                259.0 g | 
               
                              
                | Bl | 
                27 N/A | 
               
                              
                | Le | 
                1.68 mH | 
               
                              
                | Mmd | 
                211.3 g | 
               
                              
                | Cms | 
                0.10 mm/N | 
               
                              
                | Rms | 
                5.2 kg/s | 
               
                              
                | Eta Zero | 
                1.61 % | 
               
                              
                | EBP | 
                82 Hz | 
               
                           
             
             
              PART NUMBER (P/N)
              
                                
                  | Push Terminals - 8 Ohm Version | 
                  04604151 | 
                 
                               
               
               
               
              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 | 
                 
                              
              |