Overview

With an Impressive Appearance and Superb Performance, the YAMAHA NS-8390 3-way Bass-Reflex Floorstanding Speaker will be the centerpiece of your Home Theater.

The speaker is constructed with the majority of the weight located in its upper portion and is thus susceptible to falling over if proper care is not taken to insure its stability. If the speaker falls over, it may damage the speaker or to be the cause of injury (or even death) to persons and/or damage to personal property.

Using as 2ch stereo speakers:

• Better stereo images will be obtained when the speakers are slightly angled in towards the listeners.

Connections to your Amplifier:

Before making connections,Make sure that the amplifier is switched off.

• Connect the screw-type input terminals at the rear of the speakers to the speaker output terminals of the amplifier (or receiver) with the provided speaker cables.
• One side of the speaker cable is red and the other side is black. Connect the (+) terminals on the amplifier (or receiver) and speakers using the red side.
• Connect the (-) terminals on both components using the black side of the cable
  
• Connect each speaker making sure not to reverse the polarity (+,-). If the speaker is connected with reversed polarity, the sound will be unnatural and lack bass.

How to Connect:

1.) Loosen the knob

2.) Insert the bare wire. (Remove the insulation coating at the extremity of each speaker cable by twisting the coating off)

3.) Tighten the knob and secure the cable. Test the firmness of the connection by pulling lightly on the cable at the terminal

When using a banana plug

1.) Remove the cover by pulling it toward you

2.) Tighten the terminal knob

3.) Simply insert the banana plug into the terminal

Removing the Front Cover

• The front cover is fastened to the enclosure at six points, and can be removed if desired.To remove the cover, hold on to both sides and slowly pull straight away from the speaker. To reattach, line up the six pegs on the inside surface of the cover with the six corresponding holes on the speaker and push gently.

Specifications:

• Type : 3-way 3-speaker bass reflex speaker system Magnetic Shielding Type
• Driver : 20 cm (8") cone woofer, 10 cm ("4") cone mid range , 2.2cm (7/8") balanced dome tweeter
• Impedance : 8 Ohms
• Frequency Response : 35Hz to 27kHz
• Nominal Input  Power : 70W
• Maximum Input Power : 220W
• Sensitivity : 89 dB/2.83 V/m
• Crossover Frequency : 4 kHz, 10 kHz
• Dimensions (WxHxD): 262 x 920 x 266 mm  ( 10-5/16" x 36-1/4" x 10-1/2")
• Weight : 11.7kg (25 lbs 14 o.z)
• Accessories: stand x 8, screw x 16, pad x 8,speaker cable (2.5m) x 2
• Color: Black