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Focal Sopra No.3

 
por: R$ 189.990,00
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2x no cartão R$ 99.573,76
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 R$ 67.313,46
 
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Vídeo desse modelo
 
Focal Sopra No.3
Fabricante: Focal - (• Ver todos os produtos da marca Focal )
Focal Sopra No 3
3-Way Bass Reflex Floorstanding Speaker

THE NEW TOP LINE SOPRA PREMIUM LOUDSPEAKER
The longest standing loudspeaker of the line, Sopra N°3 perfectly combines dynamics, space optimisation and harmonic richness.
With its two 8¼" (21cm) woofers, this loudspeaker offers solid, rich and perfectly defined bass for music lovers looking for optimum performance. Despite its reasonable size, it will reveal its full potential in rooms measuring up to 860 ft2 (80 m2 ).


STABILISING THE MAGNETIC FIELD
Since the beginning, we have always had a great interest in the magnetic circuit, an essential aspect of a speaker drive unit. The precision and detail of audio reproduction depends on the stability of the magnetic field.
After having pushed back the limits in electromagnetic technology with the Grande Utopia EM and the Stella Utopia EM, our engineer discovered that the magnetic field varies regardless of its intensity. Indeed, it is not stable because it is modulated by three factors: the movement of the voice coil (Lenz's law), the current passing through it (Foucault current) and the frequency. Consequently, the voice coil, the moving part, is in the magnetic field which becomes too variable, and this leads to loss of precision.
The NIC technology lies in a Faraday ring whose dimensions, materials and positioning we were able to optimise to make the magnetic field be no longer affected by the position of the voice coil, by the amperage or the frequency of the current passing through it. This solution permits to control the magnetic field to decrease the effects of distortion and give the sound a very high-definition and an unprecedented dynamic.

THE OBSESSION WITH THE MIDRANGE
The midrange register is no doubt the most complicated to control in a sound system.
Thanks to the power of finite element analysis, our teams have revealed resonances which alter definition in the suspension which connects the cone to the basket
The solutions already known for increasing the damping properties of the suspension all result in an increase of the mass which consequently alters definition. The answer came from a technology used in earthquake-resistant skyscrapers and which is also used for the suspension on racing cars. This technology is called a "Tuned Mass Damper": an additional mass oscillates in opposition to the resonance frequency to control it.
Our Tuned Mass Damper consists in simply two tubular rings on the suspension to avoid deformation of the cone without afflicting the dynamics. It reduces drastically the distortion and increase the definition.
GETTING THE MOST OUT OF THE BERYLLIUM TWEETER
Our Beryllium tweeter features an incredibly light and extremely rigid dome, that deliver a transparent and dynamic sound. Its main limitation comes from the compression of air in the cavity behind it, that create interference with the incredible definition. To overcome this, the ideal would be to have a nearly infinite volume. But the requirement for Sopra to be compact meant that as much of the cabinet as possible had to be used for the bass. We had to explore other options for loading the tweeter, which led us to come up with the IHL system.
The rear of the Beryllium tweeter is loaded via a small cavity which is connected to the exterior of the enclosure by a horn. whom inside is filled with a damping material. Sound waves from the rear of the tweeter are delicately and gradually absorbed. Its acoustic impedance approaches zero so that no resistance alters the movement of the dome. This reduces distortion by 30% and pushes definition to its maximum.
Available in High Black Gloss, Imperial Red, Carrara White, Orange, Dogato Walnut and Audio Blue

TECH SPECS
Type: 3-way bass-reflex
Drivers: 21m / 8" 'W' bass
Midrange Drive: 16.5cm / 6.5" 'W'
Midrange: TMD Suspension
Motor: Neutral Inductance Circuit
Tweeter: 1" IHL inverted dome
Tweeter Material: Beryllium
Freq resp: (+/- 3dB) 33Hz - 40kHz
Low freq point: (- 6dB) 26Hz
Sensitivity: (2.83V/1m) 91.5dB
Nominal impedance: 8 Ohms
Minimum impedance: 3.1 Ohms
Crossover freq: 250Hz / 2 200Hz
Recm amp power: 40 - 400W
Dimensions (HWD): 11264 x 402 x 595mm / 49.8 x 15.9 x 23.4"
Weight: 70 Kg / 154 lbs
Preço: R$ 189.990,00
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