NS-30A
| Brand | Yamaha |
| Manufacturer | Nippon Gakki Co. Ltd. |
| Function | Speaker |
| Produced | 1970 |
| Country | Japan |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 100 × 74 × 36 cm (W × H × D) |
| Weight | 36kg |
| Treble | 2" Paper Cone (Yamaha JA-0506B) |
| Midrange | 12" Paper Cone (Yamaha JA-3053) |
| Bass | 25"x35" Polystyrene (Yamaha JA-6002) |
| Impedance (Nominal) | 8Ω |
| Power Handling | 30W |
| Enclosure Type | Open Baffle |
| Finish | Walnut |