This document is an instruction manual for Yamaha speaker system. It reminds users to switch off the amplifier before making connections. Then it provides steps for connecting the speakers to the amplifier, including correctly connecting the red and black cables and avoiding polarity reversal. It also provides a method for using banana plug connections. Finally, it gives precautions, including avoiding speaker wires from touching each other to prevent damage.
This manual provides instructions for the Yamaha NS-55 and NS-45 home cinema main speakers. It covers safety precautions, connection procedures to an amplifier, and guidelines for optimal speaker placement to ensure good sound quality and stereo imaging.
| System Type (NS-55) | 3-way 4-speaker bass-reflex speaker system |
|---|---|
| System Type (NS-45) | 2-way 3-speaker bass-reflex speaker system |
| Frequency Response (NS-55) | 40 Hz — 20 kHz (-10 dB) |
| Frequency Response (NS-45) | 43 Hz — 20 kHz (-10 dB) |
| Maximum Input Power (NS-55) | 250W |
| Maximum Input Power (NS-45) | 220W |
| Sensitivity | 90 dB/W-m |
| Dimensions (NS-55) | 264 x 886 x 316 mm |
Connect the red side of the cord to the (+) terminals and the black side to the (-) terminals on both the amplifier and speakers.
Yes, you can use banana plug connectors by first tightening the terminal knobs and then inserting the connector into the terminal hole.
Do not place them there, as the vibration of the speakers might cause feedback from the turntable.