Sonus faber Il Cremonese

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New element of the iconic Homage Collection, Il Cremonese derives from Lilium. Thru to the highest brand’s tradition and to the history of Italian violin making, with this project Sonus faber pays a tribute to the great master Antonio Stradivari a luthier and artist who revolutionized traditional violin craftsmanship, and continued the work of Andrea Amati to create new concepts of form and finishing that are still appreciated and cherished today the world over. This project is a tribute not only to the great violin maker, but also to one of Stradivari’s most famous violins, Il Cremonese, celebrating its 300th anniversary in 2015.

Homage to both history and innovation

The innovative five sides cabinet “Rhomboidal diamond design” optimizes the structural solidity of the wooden cabinets with a unique diamond shape that is immediately recognizable. Inspired by the shape of Lilium, Il Cremonese introduces clean lines and an elegant, minimal, and sharp design. The tilt of the cabinet, its five non-parallel walls structure and the sides applied on the enclosure, increases structural strength of this loudspeaker system. The solutions adopted eliminate any possible resonance thanks to very strong reinforcing structures strategically placed within the enclosure.
This new and atypical Sonus faber form represents an evolution towards technological and visual innovation, simultaneously maintaining the historic milestones that marked the history of violin making, as well as the history of the Sonus faber brand itself.

Features

INFRA WOOFERS

For the reproduction of the lower frequencies, the Sonus faber SW 22 XT-08 has been developed, a powerful 220 mm infra-woofer. To obtain maximum rigidity, the structure of the cone is made of a lightweight “sandwich” cone structure of syntactic foam and cellulose pulp.This is also implemented in an independent tuned enclosure, acoustically ‘amorphous “stealth reflex” chamber.

SILENT SPIKES

Il Cremonese is mechanically decoupled from the floor through a new and innovative version of the patented system “Z.V.T.” (Zero Vibration Transmission). The new implementation of the Z.V.T. presents coaxial spikes metal / elastomer / metal that, compared to the previous version implemented on alternate surfaces, guarantees a further simplification in the construction and aesthetic lightness.

RHOMBOIDAL DIAMOND DESIGN

Il Cremonese cabinet is a highly complex system which inherits its structural concept directly from „the Sonus faber“ and, at the same time, it features an innovative five sides cabinet “Rhomboidal diamond design“.

STEALTH REFLEX

The “Stealth Reflex” system, deriving from the Sonus faber and Aida, and very well known by Sonus faber passionate, is an innovative and patented “para-aperiodic” interpretation of the tuned load. Besides allowing for a reduction in the dimensions of the cabinet size, it provides greater extension of the low frequency response and a dramatic containment of every form of distortion; also eliminating spurious ‘port’ noises, typical of traditional reflex systems. Thus, also, substantially contributing to the correct sound reproduction.

Technical Specification

SYSTEM

3.5 way, full para-aperiodic vented box “Stealth Reflex System, and “Zero Vibration Transmission” technology , vibration transmission- decoupled from the floor, staggered low frequency floorstanding loudspeaker system.

CABINET

“Rhomboidal” diamond design, distributed thickness triple layer cabinet walls , damped with spread resonance spectrum system and harmonic decay internal reflections. Sub–structural ribs are strategically placed for total rejection of spurious vibrations and standing waves control. Two double “dampshelves” (from “The” experience), i.e. CNC anodized machined avional “vibration dampers” (on the top and on the bottom of each cabinet) “stiffen” the column structures reducing consistently structural micro-vibrations coming from the cabinets’ walls and the transducers. The subwoofer enclosure has been integrated in the main enclosure through a new implementation of the Staggered low frequencies emission technology, .

TWEETER

Sonus faber “Arrow Point” DAD (Damped Apex Dome, synthesis of the classic dome and ring transducer) H28 XTR-04. A Sonus faber designed 28 mm moving coil driver, with Sonus faber’s vibration optimized mechanical interface. The ultra dynamic linearity is given by the new Neodymium motor system. Implemented with a natural wood acoustic labyrinth rear chamber, a mechanical anti-resonator designed for this application.

MIDRANGE

Sonus faber M18 XTR-04. A Sonus faber designed 180 mm neodymium magnet system ultra dynamic linearity midrange. CCAW wire is used on a composite former “eddy current free” voice coil. The dynamically linear magnetic field motor incorporates triple Kellog/Goeller rings. A special custom diaphragm is made with a real time air dried non pressed blend of traditional cellulose pulp, kapok, kenaf and other natural fibers, developed according to the most natural sound. To further inhibit any residual cone coloration we are using a transparent viscous surface damping coating. The same way as the tweeter, the midrange is decoupled from the main baffle board and designed synergistically with its optimized “acoustic chamber”. A special coaxial anti-compressor is used, designed to remove cavity resonances and distortions.

WOOFERS

Sonus faber W18XTR-12. A pair of Sonus faber designed 180 mm lightweight “sandwich” cone structure (high-tech syntactic foam core and two external surface skins of cellulose pulp) woofers are integrated in an acoustically amorphous “stealth reflex” chamber. Designed to blend perfectly with the special midrange and, at the same time, to have absolute definition in their range: the sandwich structure with outer paper pulp skins has the same sonic character of the midrange cone. A powerful long stroke motor system with a 1,5” controlled “eddy current” voice coil is implemented for high speed, performance and linearity.

INFRA WOOFER

Sonus faber W22XTR-16. A pair of Sonus faber designed 220 mm lightweight “sandwich” cone structure (high-tech syntactic foam core and two external surface skins of cellulose pulp) infra woofers are integrated in an acoustically amorphous “stealth reflex” chamber. Designed to blend perfectly with the special woofers and, at the same time, to have absolute definition in their range: in fact we used exactly the same cone sandwich structure with outer paper pulp skins. A powerful extreme linear stroke motor system with a 2” controlled “eddy current” voice coil is implemented for the presence of the lowest.

CROSS-OVER

Non-resonant design, optimized amplitude/phase response for optimal space/time performance. “Paracross topology”. The impedance at low frequencies is controlled for a clear and friendly amplifier performance. Double staggered transfer function low frequency/room interface optimized filter. Highest quality is used in terms of the components: last generation Mundorf “Evo” Oil and Silver/Gold/Oil capacitors, Jantzen inductors.

Cross-over: 80Hz – 250 Hz – 2500Hz.

FREQUENCY RESPONSE
25 Hz – 35.000 Hz, Stealth reflex included.

SENSITIVITY
92 db SPL (2.83V/1 m).

NOMINAL IMPEDANCE
4 ohm.

SUGGESTED AMPLIFIER POWER OUTPUT
100W – 800W, without clipping.

LONG-TERM MAX INPUT VOLTAGE (IEC 268-5)
30 V rms.

DIMENSIONS (HxWxD)
1449,6mm x 398,23mm x 621,8mm
57.07’’ x 15.68’’ x 24.5’’

WEIGHT
84 Kg / 184.8 lbs each – net weight

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