Yamaha NS-A638
Performance Series Speaker Systems by Yamaha Electronics
| Brand | Yamaha |
| Model | NS-A638 |
| Drivers | |
| Woofer | |
| Woofer diameter (mm) | |
| Midrange | |
| Midrange diameter (mm) | |
| Tweeter | |
| Tweeter diameter (mm) | |
| Frequency response | |
| Enclosure | |
| Sensitivity (dB) | |
| Impedance (Ω) | |
| Recommended amplifier power, least (W) | |
| Recommended amplifier power, most (W) | |
| Built-in amplifier power (W) | |
| Height (mm) | |
| Width (mm) | |
| Depth (mm) | |
| Weight (kg) |