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Yamaha NS-555

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Description:Type: 3-Way Bass Reflex Design
Woofers: Dual 6-1/2" PMD Cone
MidRange Driver: 5" Cone With Waveguide Horn
Tweeters: 1" Aluminum Dome With Waveguide Horn
Magnetic Shielding: Yes
Twin Bass Reflex Ports: Single Port
Frequency Response: 30Hz - 35kHz
Sensitivity: 88dB
Input Power (Maximum / Nominal): 250W / 100W
Impedance: 6 Ohms
Dimensions:222 x 980 x 345mm (W x H x D)

Rating: 7.50 out of 10
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By: Peter 26th Nov 2011
4 out of 5 "Excellent decorative speakers for small to medium rooms"
I've owned these speakers for more than 2 years. A rating of a speaker should always be made in reference to its price. Of course it would not be competitive to much more expensive speakers, but NS-555 is right for its appearance and sound.

Good: Nice piano black finish with round shape, could not find equivalent in the range. Bi-wiring capability. Mid-range (i.e. for voice is smooth and clear). Sound great for good digital sources and amplifier. Quite solid construction.

Bad: Tweeter is a bit weak and need equalization to get it right. Low bass lacks punch. Yamaha quotes frequency response 45Hz-20kHz but the +-3dB should be around 60Hz-18kHz or so.

However, note that this speakers were designed to be in a home theatre setup. When combined with a good sub set at 50Hz cut-off and surround speakers, it would give you the sound of speakers that cost much much more.
1 person liked this review.