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FOCAL UTOPIA M 165W-XP

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Price : 99500.- บาท


Product Description

PREVIEW TMD SUSPENSION PROGRESSIVE SPIDER SPECIFICATION

medium speakers focal car audio 165W-XP

AN ICONIC KIT

 

PASSIVE KIT

 

The next in line after our passive 2-way kit 165W-RC, a leading product heralded for its performance for several years now, the 165W-XP integrates our exclusives technologies: TMD® surround, progressive spider, ventilated motor, new Beryllium tweeter, bi-amplification crossover. We also gave it a new design, steeped in our DNA and geared towards performance. The result: an uncompromising kit that opens the door to the world of Utopia.

 

The best of Focal technologies
 

 

 

 

 

 

'W' sandwich cone


The ‘W’ sandwich cone perfectly optimises the frequency response curve by fully mastering the three key parameters of lightness, rigidity and damping. When listening through the ‘W' sandwich cone, the sound is completely transparent with extremely little distortion.

 

 

TMD® surround 


Originally developed for the Sopra line of high-fidelity loudspeakers, our TMD® (Tuned Mass Damper) surround has a unique profile, designed to better control the effects of resonance and to drastically reduce the distortion associated with deformations of the cone. The speaker driver takes advantage of this patented technology by spreading better defined and very realistic midranges.

 



Progressive spider


The progressive spider used on all our Utopia drivers is built around a progressive section that reproduces all the impact of the bass whilst optimising the linearity, precision and dynamics of the sound.

 



Bi-amplification crossover 


All the components on our crossover have been specially selected and optimised to better control the effects of thermal dissipation. These components, essential for managing different channels and the soundstage, have improved reliability. As for the bi-amplification, this enables the woofer and tweeter to be driven separately in terms of power, resulting in optimum performance.





 

 

TMD® surround

 
TMD® surround
 

Originally developed for the Sopra line of high-fidelity loudspeakers, our TMD® (Tuned Mass Damper) surround has a unique profile, designed to better control the effects of resonance and to drastically reduce the distortion associated with deformations of the cone. The speaker driver takes advantage of this patented technology by spreading better defined and very realistic midranges’ frequencies.

 

 

TMD - Tuned mass damper



The obsession with the midrange
 

The midrange register is no doubt the most complicated to control in a sound system. On one hand, there must be a smooth transition with the bass. On the other hand, it must be tuned to the tweeter in terms of dispersion and acceleration. This determines the homogeneity of the timbre and spatialisation.

For the past 20 years, we have been working on mastering the "break up" (the frequency at which the cone becomes deformed, leading to distortion) of our 3rd generation "W" cones and on drastically reducing the resonance of the tweeter with the IAL 2. Today, thanks to the power of finite element analysis, our teams have developed simulation software to visualise the dynamic behaviour of the suspension which connects the cone to the basket, thus revealing the performance issues requiring attention.

Tuned mass damper

Following the discovering of these issues, we had to conceive the equipment to solve them. 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 oscillate in opposition to the resonance frequency to control it.

Applied to the speaker driver, the solution consists in simply two tubular rings on the suspension whose dimensions and position have been judiciously determined. They form our Tuned Mass Damper (TMD) and they stabilise the dynamic behaviour of the surround according to resonance, thus avoiding deformation of the cone without afflicting the dynamics. This innovation is patented.





 

Visual analogy of the surrounds

 

 

 

Our Tuned Mass Damper (TMD) consists of two tubular rings moulded onto the surround. On the left the default suspension, on the right, the TMD suspension. This simple solution, perfected thanks to our new software, stabilises the dynamic behaviour of the surround according to resonance, thus avoiding deformation of the cone without afflicting the dynamics.


 

Principle of the Tuned Mass Damper



 

The principle of the tuned harmonic damper (TMD): The graph on the left demonstrates the principle of the tuned mass damper. In red, an m1/k1 system with very pronounced resonance. By adding a mass/spring system m2/k2 (upper section of the diagram), there will be two resonance peaks, as represented by the blue curve. The drop or anti-resonance being previously based on the resonance of the main system, we get the green curve. Finally, by judiciously adding a damper, we obtain the purple curve. The resonance has almost disappeared!

With Sopra hi-fi speakers, we opted for exponentially shaped cones in order to increase frequency response, and consequently impulse response. Another reason for increasing definition.


 


Measurement and analysis


 

Improved response linearity between 1 and 2kHz and the frequency extension provided by the exponential cone profile..
Frequency response of our latest midrange driver (blue trace) compared to the previous-generation W-cone midrange, representing prior state-of-the art performance (red trace). Improvements to the magnetic circuit also contribute (see next section). NB: The dip at 3kHz in the blue trace is due to the tested driver not being fitted with a dust cap.







Effect of the harmonic damper on linearizing the frequency response between 1.5 and 2kHz (blue trace with TMD, red trace without).




Effect of the harmonic damper on nonlinear distortion, which is halved between 1.5 and 2kHz (blue trace with TMD, red trace without).




 



 

 

 

Progressive spider
 
Progressive spider
 

The progressive spider used on all our Utopia drivers is built around a progressive section that reproduces all the impact of the bass whilst optimizing the linearity, precision and dynamics of the sound.



 

 

   
tweeter Beryllium Inverted dome
woofer (6.5″) 165mm
cone ‘W’
suspension Tuned Mass Damper (TMD*)
 impedance 2 Ohm
max power 200W
 nom power 100W
sensitivity 93dB
             frequency response.                 60Hz – 40kHz
accessories Grilles, screws, and crossover supplied