Sonus faber IL Cremonese
Sonus faber har en lång tradition av hyllningsmodeller. Den senaste från Sonus faber heter Il Cremonese och hyllar en Stradivarius-fiol.
Il Cremonese är en ny del av den ikoniska Homage Collection och är avledd från Lilium. I enlighet med varumärkets högsta tradition och den italienska violinmakarens historia hyllar Sonus faber med detta projekt den store mästaren Antonio Stradivari, en lutmaker och konstnär som revolutionerade den traditionella fioltillverkningen och fortsatte arbetet av Andrea Amati för att skapa nya koncept för form och finish som fortfarande uppskattas och äras över hela världen idag.

Detta projekt är en hyllning inte bara till den stora fioltillverkaren, utan också till en av Stradivaris mest berömda fioler, Il Cremonese, som firade sitt 300-årsjubileum 2015.

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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 180mm 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

Specifikation

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 (HxBxD)
• 1449,6mm x 398,23mm x 621,8mm
WEIGHT
• 84 Kg – net weight

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