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What is stereo?




There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.



H.H. Scott '59





Yamaha NS-2000 speakers

Natural Sound Speaker System

Pure Carbon Fiber Woofer Cone

Improved Beryllium Midrange and tweeter Domes

Unique In-line Speaker Configuration and Rounded Baffle

Uncompromising Choice of Materials and Construction Throughout

Superbly Crafted Cabinetry

 

The lead in sound-oriented technology that has grown out of a hundred-year tradition has been purposefully expanded in this loudspeaker system. Although Yamaha sound transducers are "digital-proof" thanks to fast and precise signal processing, the NS-2000 system is a resounding testament to the fact that research has not rested in this area either.

 

Further refinement of the exclusive beryllium and carbon fiber technology, weight reduction of the membranes and unrivalled experience in processing valuable woods create the Yamaha system in a class of its own, with which digital progress can be heard.

 

The baffle with rounded edges reduces diffraction and ensures increased stereo definition. The precision housing was developed on the basis of irrefutable computer calculations, coupled with knowledge of sound. The bass membrane made of pure carbon fiber is super light and ultra-stable with a diameter of 33 cm. New beryllium domes have a drastically reduced weight of 0.028 g for the tweeter and 0.5 g for the midrange. The crossover is equipped with coils made of oxygen-free copper wire and large-dimensioned ferrite cores. Level controls for the tweeter and midrange are a matter of course in this class.

 


Specifications

Type:  Fully enclosed bookshelf type

Speakers:

Low Frequency :  JA3301 Woofer carbon diaphragm 330 mm (13") cone

Mid Frequency :  JA0802A Midrange Beryllium diaphragm 88 mm (3-1/2") dome

High Frequency :  JA0526A Tweeter Beryllium diaphragm 30 mm (1-3/16") dome

Nominal Input Power :  125 W

Music Input Power :  250 W

Impedance:  6 Ω

Sound Pressure Level :  90 dB/W/m

Crossover Frequencies:

Low/mid :  500 Hz (12 dB/oct)

Mid-high :  6 kHz (12 dB/oct)

Level Controls:

Mid :  +3 dB (Continuously variable)

High :  +2 dB (Continuously variable)

Enclosure:  Fully enclosed type

Volume :  80 l

Exterior:  American walnut Urethane open pore finish

Dimensions (W x H x D):  440 x 752 x 404 mm (17-5/8" x 29-5/8" x 15-7/8")with grille attached

Weight:  47 kg (103 lbs 6 oz)


 

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