Read this before using the speakers.
This manual provides instructions for the Yamaha NS-8390 speaker system, including safety precautions for placement and handling. It details how to attach the included stands for stability and how to connect the speakers to an amplifier or receiver using the provided cables.
| Type | 3-way 3-speaker bass-reflex speaker system |
|---|---|
| Magnetic shielding | Magnetic shielding type |
| Woofer | 20 cm (8") cone woofer |
| Mid-range | 10 cm (4") cone mid-range |
| Tweeter | 2.2 cm (7/8") balanced dome tweeter |
| Impedance | 8Q |
| Frequency Response | 35 Hz to 27 kHz |
| Nominal Input Power | 70 W |
| Maximum Input Power | 220 W |
| Sensitivity | 89 dB/2.83 V/m |
| Crossover Frequency | 4 kHz, 10 kHz |
| Dimensions | 262 x 920 x 266 mm |
| Weight | 11.7 kg (25 Ibs. 14 02.) |
Better stereo images will be obtained when the speakers are slightly angled in towards the listeners.
Yes, the front cover is fastened at six points and can be removed by holding both sides and pulling straight away.
The sound will be unnatural and lack bass.