Yamaha NS-F51
Image source — © Yamaha
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Model name
NS-F51
Frequency Response low +/- 3dB (Hz)
43
Frequency Response high +/- 3dB (Hz)
26 000
Sensitivity (dB at 1 W/1m)
89
Impedance (Ohms)
6
Power amplifier requirements (W)
80 - 240
Has internal amplification
N/A
Internal amplification power (W)
N/A
Size (sm)
23.3 x 97.35 x 25.4
Weight (kg)
13.7
Official link
NS-555 belongs to the 3-band type of acoustics. The frequency range spectrum is correctly distributed between 4 speakers - two low-frequency 16 cm (6.5”), a mid-frequency 13 cm (5.25”) and an aluminum tweeter 1” (2.5 cm), which allows the speaker system to sound in the range from 35 to 35,000 Hz. The speakers are made according to the Waveguide horn principle with PMD membranes (Polymer-injected Mica Diaphragm).
NS-777 belongs to the 3-band type of acoustics. The frequency range spectrum is correctly distributed between 4 speakers - two low-frequency 20 cm (8”), a mid-frequency 13 cm (5.25”) and an aluminum tweeter 1” (2.5 cm), which allows the speaker system to sound in the range from 30 to 35,000 Hz. The speakers are made according to the Waveguide horn principle with PMD membranes (Polymer-injected Mica Diaphragm).
The NS-F350 floorstanding lodspeaker, which belongs to the new generation, uses a new design with an aluminum dome inside the sound coil. The black anodized surface coating suppresses the sound color characteristic of aluminum, providing large-scale and accurate reproduction of high-frequency texture and nuances. Thanks to the new shape of the diffuser and a new sound coil with a copper-coated aluminum wire (CCAW), the tweeter extends the high-frequency range to 45 kHz (-10 dB), which increases the amount of useful information in the audible frequency range.
The model has a three-way design, it uses new dynamic radiators of the company's own design. Diffusers made of a mixture of ZYLON composite material and spruce wood fibers are installed in them. The high-frequency range is voiced by a tweeter with a 30 mm dome, an 80 mm dome driver is responsible for the middle frequencies, two 160 mm speakers with continuous profile diffusers operate on the bass.