Усилитель на LA4550
| T I P | Vcc.min V | Vcc.nom V | Vcc.max V | P-out W | RL. ohm | Case | Orginal | Zamena |
| LA4550 | 4,5 | 9 | 13 | 2X 1 | 4 | 12-DIP+b | LA4555 |
| T I P | Vcc.min V | Vcc.nom V | Vcc.max V | P-out W | RL. ohm | Case | Orginal | Zamena |
| LA4550 | 4,5 | 9 | 13 | 2X 1 | 4 | 12-DIP+b | LA4555 |