Statements (23)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:public_speaker
                                        
                                         | 
                            
| gptkbp:amplifierType | 
                                    
                                        
                                            
                                            direct/reflecting speaker
                                        
                                        
                                         | 
                            
| gptkbp:cabinetType | 
                                    
                                        
                                            
                                            wood veneer
                                        
                                        
                                         ported  | 
                            
| gptkbp:countryOfOrigin | 
                                    
                                        
                                            gptkb:United_States
                                        
                                         | 
                            
| gptkbp:dimensions | 
                                    
                                        
                                            
                                            12 x 21 x 12.75 inches (H x W x D)
                                        
                                        
                                         | 
                            
| gptkbp:frequency | 
                                    
                                        
                                            
                                            30 Hz – 15 kHz
                                        
                                        
                                         | 
                            
| gptkbp:impedance | 
                                    
                                        
                                            
                                            8 ohms
                                        
                                        
                                         | 
                            
| gptkbp:manufacturer | 
                                    
                                        
                                            gptkb:Bose_Corporation
                                        
                                         | 
                            
| gptkbp:marketedAs | 
                                    
                                        
                                            
                                            home audio
                                        
                                        
                                         | 
                            
| gptkbp:notableFeature | 
                                    
                                        
                                            
                                            eight rear-firing drivers, one front-firing driver
                                        
                                        
                                         requires external equalizer for proper performance  | 
                            
| gptkbp:numberOfDoors | 
                                    
                                        
                                            
                                            9
                                        
                                        
                                         | 
                            
| gptkbp:predecessor | 
                                    
                                        
                                            gptkb:Bose_901_Series_III
                                        
                                         | 
                            
| gptkbp:productType | 
                                    
                                        
                                            gptkb:Bose_901
                                        
                                         | 
                            
| gptkbp:releaseYear | 
                                    
                                        
                                            
                                            1987
                                        
                                        
                                         | 
                            
| gptkbp:requiredAccessory | 
                                    
                                        
                                            
                                            Active Equalizer
                                        
                                        
                                         | 
                            
| gptkbp:size | 
                                    
                                        
                                            
                                            4.5 inch
                                        
                                        
                                         | 
                            
| gptkbp:successor | 
                                    
                                        
                                            gptkb:Bose_901_Series_V
                                        
                                         | 
                            
| gptkbp:weight | 
                                    
                                        
                                            
                                            about 35 lbs (each)
                                        
                                        
                                         | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:Bose_901_speakers
                                        
                                         | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            6
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            Bose 901 Series IV
                                        
                                        
                                         |