desIGn sPeCIfICaTIons
INFRA WOOFER:
380 mm infra woofer sandwich cone structure with
high-tech syntactic foam core and two external
surface skins in nano carbon fibre for maximum
rigidity and light weight. 4” voice-coil optimized to
have progressive damping, through the use of both
Kapton and Avional in the former, to control the
Lorentz currents proportionally to the excursion
obtaining this way the tightest available lows. To
perfectly match the low-end performance to different
listening rooms it is possible to adapt the SPL of the
infra woofer.
SOUND FIELD SHAPER:
Special patented Sound Field Shaping technology
allows the control of the direct/reverberant radiation
of the Sonus faber. The sound field shaping module
can be optimized in terms of azimuth and SPL.
SOUND FIELD SHAPER TWEETER:
29 mm ultra dynamic linearity neodymium ring
radiator dome derivative driver. Optimized off-axis
radiation for this special application.
SOUND FIELD SHAPER MIDRANGE:
120 mm neodymium hexadyne magnet system, paper
pulp/papyrus/natural fiber cone driver, as used for the
front midrange. It is a classic Sonus faber choice, a 4th
generation derivative of the unit used on the original
Minima.
CROSSOVER:
Non-resonant progressive slope design, optimized
amplitude/phase response for optimal space/time
performance. The impedance at low frequencies
is controlled for a clear and amplifier friendly
performance. Maximum quality is used in terms of
the components: mundorf Silver/Gold/oil capacitors,
Jantzen Cross coil inductors.
FREQUENCY RESPONSE:
18Hz – 36000Hz, Stealth reflex included.
SENSITIVITY:
92 db spl (2.83V/1m).
NOMINAL IMPEDANCE:
4 ohm.
POWER HANDLING:
100W - 1KW, without clipping.
DIMENSIONS:
1750 x 750mm x 785mm (HxWxD)
WEIGHT:
615 Kg per pair – net weight
742 Kg per pair – shipping weight.
SYSTEM:
3.5 way, sound field shaper variable geometry
radiation, vibration cancellation optimized system,
stealth reflex vented box, loudspeaker system.
CABINET:
“Lyre shape” design, dual side curvature, special
cross grained okumè plywood, used in a double
thickness constriction layer damped configuration,
has significant advantages compared to the single
curvature variant used previously, in terms of
low coloration. Sub–structural plywood ribs are
strategically placed for total rejection of spurious
vibrations and standing waves control.
“Anima legata” system, based on two clamshells,
i.e. CNC anodized machined avional “vibration
conveyors” (on the top and on the bottom of the
cabinet) that “collect” the remaining structural
micro-vibrations coming from the cabinet walls and
the transducers, like the parabola of an antenna.
The two clamshells are rigidly connected by a special
steel rod, a high speed mechanical interface, the
“Soul Pole”, that concentrates the micro-vibrations
to the “Multiple Tuned Mass Damper”, a special
custom device optimized to critically damp structural
resonances, by oscillating in anti-phase.
The enclosure is decoupled from the floor through a
patent pending suspension system, eliminating any
acoustic feedback and any vibration transmission to
the listening room.
TWEETER:
29 mm ultra dynamic linearity hybrid Neodymium/
Samarium-Cobalt Larsen/Goeller ring radiator, visco-
elastically decoupled from the main baffle board.
Implemented with a natural wood acoustic labyrinth
rear chamber, with a mechanical anti-resonator
designed for this application.
MIDRANGE:
180 mm cone neodymium magnet system driver with
the 1.5” voice-coil of the “well hung” type chosen for
the advantages of both the “under hung” and “over
hung” designs. Special custom blend cone made of
traditional cellulose pulp, papyrus and other natural
fibers developed according to the most natural sound.
The basket is thoroughly optimized to eliminate any
resonance, fully CNC machined from solid billets
of Avional and Gunmetal. The combination of the
two different metals allows eliminating any mutual
resonance. The same way as the tweeter, the midrange
is decoupled from the main baffle board.
WOOFERS:
260 mm woofers with a “sandwich” cone structure,
high-tech syntactic foam core and two external
surface skins of coated cellulose pulp. 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.
3” voice-coils on Kapton former allow an unlimited
dynamic performance and low hysteresis.