| Materials of Construction | 
								        
									        | 
										        Coil Former Material
									         | 					
									        
										        Glass Fibre
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Voice Coil Material
									         | 					
									        
										        Copper - Inside/ Outside
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Magnet Material
									         | 					
									        
										        Neodymium
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Chassis Material
									         | 					
									        
										        Die-cast Aluminium
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Cone Material
									         | 					
									        
										        Straight Poly-cellulose Ribbed
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Surround / Edge Termination
									         | 					
									        
										        Polyvinyl Damped Multi Roll. Poly Cotton
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Dust Dome Material
									         | 					
									        
										        Paper
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Connectors
									         | 					
									        
										        Push-button Spring Terminals
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Polarity
									         | 					
									        
										        Positive voltage at red terminal causes forward motion of cone
									         | 								
								        
                                        
							        
                                        	
                                        
 | 
|---|
| Mounting / Shipping Information | 
								        
									        | 
										        Overall Diameter
									         | 					
									        
										        19.1" / 485 mm
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Width Across Flats
									         | 					
									        
										        18" / 457 mm
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Flange Height
									         | 					
									        
										        0.465" / 11.8 mm
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Baffle Hole Diameter F/M
									         | 					
									        
										        16.53" / 419.86 mm
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Baffle Hole Diameter R/M
									         | 					
									        
										        16.33" / 414.78 mm
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Gasket Supplied
									         | 					
									        
										        Front & Rear
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Outer Fixing Holes
									         | 					
									        
										        8x ø 0.275" on 18.425" PCD / 8x ø 7 mm on 468 mm PCD
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Inner Fixing Holes
									         | 					
									        
										        8x ø 0.275" on 17.25" PCD / 8x ø 7 mm on 438.15 mm PCD
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Depth
									         | 					
									        
										        7.75"  /  197 mm
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Weight
									         | 					
									        
										        17.52 lb  / 7.95 Kg
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Recommended Enclosure Volume
									         | 					
									        
										        3.53 - 8.82 cu ft / 100 - 250 Litres
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Shipping Weight
									         | 					
									        
										        21.05 lb  /  9.55 Kg 
									         | 								
								        
                                        
							        
                                        	
                                        
								        
									        | 
										        Packing Carton Dimensions
									         | 					
									        
										        (W) 485 (D) 485 (H) 230 mm
									         |