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FOCAL PROFESSIONAL SHAPE Twin Dual 5-in Active Studio Monitors (each)

$1,499.00
Special Order
SKU
201438
  • Catalog #: FOPRO-SHAPETWIN


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728 Granville St.
Vancouver, BC, V6Z 1E4
Phone Store 604-685-8471
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2560 Barnet Hwy.,
#116 Coquitlam, BC, V3H 1W3
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19638 Fraser Highway
Langley, BC, V3A 4C5
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#150-3631 No. 3 Road
Richmond, BC, V6X 2B9
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#105-2401D Millstream Road
Victoria, BC, V9B 3R5
Phone Store 250-383-5222
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LINE’S BENCHMARK PRODUCT

This standard bearer of the Shape series features two passive radiators, woofers equipped with a new Flax cone, and the latest “M”-shaped Aluminium/Magnesium inverted dome tweeter. Perfect weapon of mass production for professionals.

Shape Twin is made in France, just like Shape 40, 50 and 65. Designed to meet the needs of nearfield monitoring, these monitors combine an ingenuous design and numerous settings optimised for the acoustics of small listening rooms. Shape Twin stands out through its excellent rendering over the whole audio spectrum, its broad frequency response in the low end, and its high SPL considering its size. The compact design makes it easy to integrate even into the most cramped of rooms. Finally, its 2.5-way design gives it a real advantage when it comes to controlling the bass and lower mid-range registers which are the hardest to control in small rooms.

Shape Twin’s five innovations present a remarkable tonal balance, with very wide and precise stereo imaging. The low frequencies are well defined  as well as controlled. The low-mid and mid ranges provide a true neutral sound.

THE 'M' SHAPE OF THE INVERTED DOME HAS TWO MAJOR ADVANTAGES:

  1. Its directivity is even less that of the inverted dome tweeter, allowing for more flexibility in terms of listening position.
  2. Mechanically speaking, the 'M' shape gives the dome much more rigidity, while reducing distortion even more.

The Poron® suspension provides a more linear frequency response curve below 6kHz, improving crossover with the woofer.

The magnetic component has also been optimised thanks to a voice coil with a Kapton® frame which significantly reduces the Foucault current, and consequently, distortion.

Finally, the horn housing the tweeter has been designed to provide equal horizontal and vertical directivity.

FLAX SANDWICH CONE

Made in France but affordable, Flax cones are oriented towards acoustic performance, high-tech and give an original design to the brand’s speaker drivers!

After more than five years of research and development, engineers at Focal reveal in 2013 a new cone made of high-quality flax fibers. F cone are characterised by their natural sound, with low coloration, their richness of reproduction in the midrange register and their tighter bass.

THE UNIQUE QUALITIES OF FLAX

F cones are made of high-quality flax fibers core enclosed by two thin layers of glass fiber. They satisfy the key criteria of a high performance diaphragm : high internal damping, high velocity of sound and high flexural rigidity.

Rigidity

All these criteria cannot be met by a mono-material cone. Sandwich technology greatly influences the neutrality of the sound produced by the cone, something, which has always been Focal’s hallmark. The expertise gained from the sandwich technology of the Utopia and K2 Power ranges enabled Focal to develop a revolutionary flax-fiber cone conciliating the 3 criteria.

Lightness

Flax is twice as light as fiberglass, because the fiber is hollow. It also has very low elasticity which makes it ideal to increase the flexural rigidity of a sandwich structure. Moreover, it can be obtained in non-woven bundles of considerable diameter and it can therefore produce the thickness required for a sandwich.

Internal damping

Composite materials have properties suitable for applications where both rigidity and low mass are required. However, their disadvantage is that they lack damping, which leads to very poor control of vibrations. Recent developments in this field combining composites and natural fibers have brought unexpected opportunities. Flax fiber has an excellent internal damping of the same order of magnitude as the glass or Kevlar® fibers or aluminum.

MADE IN FRANCE AND AFFORDABLE

Flax cones are designed and manufactured in France, from french flax fiber.  France is the main cultivator in Europe of fiber flax, principally in Flanders, Picardy, Normandy and the Pas-de-Calais region. French flax is considered the best in the world.

Synthetic fibers or foams originating from petrochemical resources are subject to inflation linked to the sharp rise in crude oil prices. Organic or ecological textiles, like flax, are thus becoming more and more pricecompetitive.

Because the “W” or "K2" sandwich have to be manufactured by hand, their range of application remains limited for reasons of cost. The industrial process developed to manufacture the "F" cones bring it within reach of very pricecompetitive product ranges

NIC - NEUTRAL INDUCTANCE

The precision and detail of audio reproduction depend on the stability of the magnetic field.

STABILISING THE MAGNETIC FIELD

After having pushed back the limits in electromagnetic technology, our teams discovered the fact that beyond the magnetic field intensity and its homogeneity within the gap, there was a dynamic aspect we had no control over.

The magnetic field 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),
  • the frequency.

Consequently, the voice coil, and all the moving part including the cone, is in the magnetic field which becomes too variable, and this leads to loss of precision.

NEUTRAL INDUCTANCE CIRCUIT TECHNOLOGY

After three years of research and the development of simulation software which makes it possible to visualise these complex interactions, Focal engineers created an incredibly stable magnetic circuit for the Sopra line..

The solution, NIC technology, lies in a Faraday ring whose dimensions, materials and positioning were optimised to make the magnetic field no longer affected by the position of the voice coil, by the amperage or the frequency of the current passing through it.

This is a sign of very high definition.

VISUAL ANALOGY OF MAGNETIC DISTURBANCE

Without a Faraday ring

The variations related to the position of the voice coil and to the current passing through it in a conventional circuit results in blurring.

With a conventional Faraday ring

The variations related to the position of the voice coil and to the current passing through it in a conventional circuit results in blurring.

With Focal’s Faraday ring

Focal's new simulation software enables us to combine the best of both worlds: very high definition and dynamics/contrast.

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.

KEY FEATURES

  • Tweeter with very low directivity for a flexible listening position
  • Designed without a port, but with a double passive radiator, allowing it to be placed near a wall
  • Numerous settings for optimal integration
  • Accurate control, even in the very high end
  • Flax sandwich cone: controlled and well defined bass, natural and detailed lower mid-range and upper mid-range ranges
  • Mounting mechanisms present on the back and underneath the loudspeaker: for installing on a table stand, a microphone stand, the ceiling or a wall (mounting accessories not supplied)

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