The Gravis I, the most compact active subwoofer in the Gravis collection, effortlessly harmonizes with various listening environments and audio systems. It seamlessly complements the aesthetics and acoustic characteristics of Sonus faber's Lumina collection and the smaller Sonetto bookshelf models, such as Sonetto I & II.
ITALIAN DESIGN
Gravis I boasts a compact design that effortlessly integrates into any space. Available in four different finishes and featuring a leather top embossed with the Sonus faber logo.
POWER AND DEPTH
Specifically designed drivers and amplifiers seamlessly integrate into Gravis I, providing powerful depth with more efficient power consumption.
GRAVIS I TECHNICAL HIGHLIGHTS
SYSTEM
Sealed active subwoofer with down-firing
LOUDSPEAKER
1 x 210 mm (8") long-throw speaker with treated paper cone and wide rubber surround
AMPLIFICATION
High linearity Class AB
150 W (nominal), 250 W (peak)
SEPARATE VOLUME CONTROLS
Independent volume controls for high-level and line/LFE allow for effortless calibration for both music and home theater applications, eliminating the need for constant adjustments. The high-level connection ensures seamless integration with the main speakers for music playback, while the LFE input enhances the immersive home theater experience.
LOUDSPEAKER UNIT
The Gravis I features an 8" ultra-long-throw loudspeaker unit with down-firing and a 150-watt Class AB high-current amplifier, delivering precise and expressive bass reproduction that far exceeds its class.
Technical data
| Model | Sonus Faber Gravis I |
| Speaker System type | Sealed box loading, down firing active subwoofer |
| Driver | 1 x 210 mm (8”) long throw, treated paper cone, wide rubber surround LF unit |
| Amplifier type | High linearity Class AB |
| Power output | 150 W (nominal), 250 W (peak) |
| Frequency response | From 30 Hz to Fc (user adjustable) |
| Mains input voltage | Factory selected, 120 Vac – 60 Hz or 230 Vac - 50 Hz |
| Fuse | T4.0A (110 Vac, 60 Hz); T2.0A (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°) |
| Audio inputs | LFE (Low Frequency Effect ) - mono RCA plug; LINE - mono RCA plug; HIGH LEVEL - Neutrik 4-pole Speakon© |
| Additional features | Auto switch-on/off (deselectable) |
| Power consumption | 0.5 W (Stand-by) 200 W (rated power) |
| Dimensions (H x W x D) | 334 x 286 x 316 mm including feet 13.1 x 11.2 x 12.4 in including feet |
| Weight | 14,5 Kg 32 lb |
