Sonus faber Gravis II
Active Subwoofer
COMPREHENSIVE COMPATIBILITY
the Sonus faber Gravis II seamlessly blends into diverse listening spaces and harmonises with a wide range of audio and AV systems.
Gravis II is both visually and sonically compatible with the Sonus faber Sonetto collection, ensuring a cohesive audio experience.
ITALIAN DESIGN
Gravis II boasts a compact design that effortlessly blends into any room.
Available in four distinctive finishes and adorned with a leather top, embossed with the Sonus faber logo.
POWER AND DEPTH
Custom-designed drivers and amplifiers integrate seamlessly within Gravis II, delivering powerful depth with more efficient power consumption.
EXPERTISE AND ARTISANSHIP
Gravis melds decades of Sonus faber design and audio expertise into a contemporary package, enhancing the depth and clarity of our Natural Sound signature in a seamlessly integrated design.
SEPARATE VOLUME CONTROLS
The independent volume controls for high-level and line/LFE offer effortless calibration for both music and home theatre applications, eliminating the need for constant adjustments.
The High-Level Connection ensures a seamless fusion with main speakers during music playback, while the LFE input enhances the immersive home theatre experience.
SPEAKER UNIT AND SOUND SYSTEM
Gravis II features a 10” Ultra Long Throw down-firing speaker unit and a front firing 10” aluminium alloy diaphragm passive infra-bass radiator, along with a high current 400W Class AB amplifier.
THE REAR PANEL
Gravis II rear panel features a complete connectivity solution that allows for both perfectly blended musical sub bass and powerful, percussive, home theatre bass.
System – Passive radiator bass-reflex loading active subwoofer
Loudspeakers
Sw: Ø 260 mm, very long throw, treated paper cone,
wide rubber surround woofer
Pw: Ø 260 mm, long throw, treated paper cone, wide rubber surround ABR unit
Frequency response – @ – 6dB, from 25 Hz to Fc (user adjustable)
On board amplifiers – High linearity Class AB, 350 W rms, 700 W (peak)
Power consumption
0.5 W (Stand-by)
450 W (Rated power)
Audio Input / Output
LFE (Low Frequency Effect), mono RCA plug
LINE, mono RCA plug
HIGH LEVEL, Neutrik 4-pole Speakon©
Mains Input Voltage – Factory selected, 120 Vac – 60 Hz or 230 Vac – 50 Hz
Decoupling Systems – Rubber pad
Product dimensions (HxWxD) – 404 x 356 x 408 mm / unit
Dimensions with packaging (HxWxD) – 537 x 512 x 526 mm / unit
Weight – 19,1 Kg / unit
Packaging weight – 26,8 Kg / unit
Cabinet – Squared shape, Oper pore/ matte/ high gloss wood, Black leather
Fuse – Factory selected, T6.3A (110 Vac, 60 Hz); T3.15A (230 Vac, 50 Hz)
Controls
Independent Master and LFE volume controls
Continuously adjustable Crossover frequency (30 to 120
Hz), slope 24 dB / oct
Signal phase inversion switch (0/180°)
Auto switch – on / off (de-selectable)














The first pioneering project by Franco Serblin, founder of Sonus faber. A completely new concept for that time, an all-in-one system entirely made in solid wood.
On March 25, 1983 Sonus faber becomes a company in its first headquarter, a small laboratory in Monteviale, on the hills of Vicenza.
Sonus faber launches its first product Parva, a 2-way monitor speaker with a midrange cone in Kevlar and the cabinet in solid walnut wood.
Now well-established: accurate design and high quality natural materials for a natural sound reproduction.
Sonus faber demonstrate to the audiophile world what it was capable of with Extrema, a unique speaker with “extreme” components
It’s the year of the revolution. With the extraordinary Guarneri Homage Sonus faber begins its studies of the lute design and create the first speaker ever with the cabinet structure inspired by the lute shape
Amati Homage added to Guarneri Homage giving life to the first version of the iconic Homage collection
Following the path stared with Guarneri Homage, Sonus faber introduced of the Cremona collection, a family of speakers that enhanced the concept of the lute shape cabinet design
Creation of the first flagship Stradivari Homage, an innovative project that occupy an important place in the history of High Fidelity industry
Debut of the new flagship, Aida, able to reveal how much the company has evolved whilst keeping its original spirit intact and synthesizing ‘mature tradition’ with ‘technological innovation’
The second edition of Olympica collection, that has always embodied the company’s stylistic manifesto.
Olympica Nova pays homage to its predecessor while adding a substantial amount of freshly developed technology, from new drivers, crossovers and internal volume tuning to a brand new cabinet structure and a renewed exterior look.
Olympica Nova is where experience meets elegance. It is the distillation of our identity: Olympica Nova is Sonus faber.




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