This manual explains how to safely set up and use the Yamaha NS-2 speaker system. It covers precautions such as avoiding excessive humidity, direct sunlight, and improper amplifier settings, and provides detailed wiring instructions with polarity markings.
It also describes how to remove and re‑attach the front cover, optimal placement for best sound quality, and includes technical specifications, warranty details, and service contact information for Yamaha’s Japanese service network. This manual is written in Japanese.
| Frequency response | 4 kHz, 6 dB/oct |
|---|---|
| Dimensions (W×H×D) | 190 mm × 312 mm × 211 mm |
| Weight | 4.3 kg (9.1 oz) |
| Speaker cable length | 4 m × 2 |
Connect the screw‑type input terminals on the rear of the speaker to the amplifier’s speaker output terminals using the supplied speaker cables, matching the white‑marked side of the cable to the (+) terminals and the unmarked side to the (‑) terminals.
Place the speaker on a stable, vibration‑free surface away from direct sunlight and excessive humidity; avoid obstructing the bass‑reflex opening and keep it away from TVs to prevent picture interference.
Pull the front cover gently from the front and rear sides, then align the four pegs on the cover with the four holes on the speaker body and push gently to re‑attach.
The warranty lasts for one year from the date of purchase, with repairs covered according to the warranty card.