Full 
                          Music 300B/n 
                          specifications  
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                       Fullmusic 
                        TJ 300B/n globe 
                         
                        
                           
                            | 300B/n 
                              Premium mesh plate | 
                              | 
                           
                           
                            |   | 
                              | 
                           
                           
                            | Nominal 
                              operating conditions and parameters  | 
                              | 
                           
                           
                            |   | 
                              | 
                           
                           
                            | Filament 
                              voltage | 
                            5 
                              V* | 
                           
                           
                            | Nominal 
                              filament current | 
                            1.2 
                              A | 
                           
                           
                            | Plate 
                              voltage | 
                            300 
                              V | 
                           
                           
                            | Grid 
                              voltage | 
                            -58 
                              V** | 
                           
                           
                            | Plate 
                              current | 
                            60 
                              mA | 
                           
                           
                            | Amplification 
                              factor | 
                            3.85 | 
                           
                           
                            | Mutual 
                              Conductance | 
                            5,7 
                              mA/V  | 
                           
                           
                            | Grid 
                              current | 
                            0.05 
                              µA | 
                           
                           
                            | Plate 
                              resistance | 
                            700 
                              ohms | 
                           
                           
                            |   | 
                              | 
                           
                           
                            *AC 
                              filament supply or DC filament supply. 
                              **AC filament supply is used. 
                               
                               
                               
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