This document provides precautions for using the YAMAHA NS-120 speaker system, including avoiding distortion, not exceeding the rated input power, avoiding cleaning with chemical solvents, preventing direct sunlight and excessive humidity, and avoiding falling or being struck by objects.
The Yamaha NS-120 is a magnetically-shielded 2-way bass reflex speaker system featuring a 13 cm cone woofer and a 3 cm dome tweeter. This owner's manual covers essential safety precautions, such as preventing amplifier clipping to avoid damage and ensuring stable placement to prevent tipping.
The guide details how to attach the included stands or spikes for stability on various floor types, including thick carpets. It also explains proper wiring connections to an amplifier, emphasizing correct polarity (+/-) and positioning for optimal stereo imaging in a multi-channel system.
| System Type | 2-way bass reflex speaker system (Magnetically-shielded type) |
|---|---|
| Woofer Size | 13 cm cone woofer |
| Tweeter Size | 3 cm dome tweeter |
| Nominal Impedance | 6 ohms |
| Frequency Response | 42 Hz — 35 kHz |
| Sensitivity | 88 dB/2.83 V/m @ 1 kHz |
| Dimensions (W x H x D) | 168 x 800 x 269 mm |
| Weight | 12.5kg |
You should use spikes when setting up the speakers on a thick carpet to achieve increased stability and improvements in sound quality.
If one speaker is connected with reversed polarity, the sound will be unnatural and lack bass.