




Details
Description
Gravis I
The Gravis I powered subwoofer offers an ideal balance of size and performance for smaller listening spaces.
COMPREHENSIVE COMPATIBILITY
Gravis I, the most compact powered subwoofer in the Gravis collection, effortlessly harmonizes with diverse listening environments and audio systems. Gravis I seamlessly complements the aesthetics and acoustic characteristics of the Sonus faber Lumina collection and the smaller Sonetto bookshelf models, such as Sonetto I & II.
ITALIAN DESIGN
Gravis I 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 I, 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 theater 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 theater experience.
SPEAKER UNIT
Gravis I features an 8” Ultra Long Throw down-firing speaker unit along with a high current 150W Class AB amplifier, giving it accurate and expressive bass reproduction well beyond its class.
THE REAR PANEL
Gravis I rear panel features a complete connectivity solution that allows for both perfectly blended musical sub bass and powerful, percussive, home theater bass.
Specifications
Specifications
SYSTEM |
Sealed box loading, down firing active subwoofer |
SPEAKERS |
1 x 210 mm (8”) long throw, treated paper cone, wide rubber surround LF unit |
AMPLIFICATION |
High linearity Class AB |
150 W (nominal), 250 W (peak) | |
FREQUENCY RESPONSE |
@ - 6dB, 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 SIGNAL INPUTS |
LFE (Low Frequency Effect) - mono RCA plug; LINE - mono RCA plug; HIGH LEVEL - Neutrik 4-pole Speakon© |
POWER CONSUMPTION |
0.5 W (Stand-by) |
200 W (rated power) | |
DIMENSIONS (HXWXD) |
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 |
Book a Demo
Book a Demo:

Sonus Faber Gravis I Subwoofer (Single)
Trade in
Trade in form:

Sonus Faber Gravis I Subwoofer (Single)
Reviews
Reviews
Delivery & Returns
Delivery & Returns
We offer FREE delivery to the mainland UK (excluding Channel Islands, Isle of Man, Isle of White, Isles of Scilly, and some of the remote Scottish Isles).
For other areas please contact us for a quote. Select items can be delivered internationally by prior agreement. Again please contact us for a quote. We will always do our best to help.
Our aim is to dispatch goods within 2 working days of an order being placed. Please allow 5 working days from the time of your order to receipt of item. If an order is expected to take longer than this our order fulfillment department will contact you to inform you of this.
Where multiple items are ordered, we will dispatch them all in one package. If you have ordered any special or customized items, or items otherwise not immediately available, we will dispatch the order when all items are available. If you have any concerns regarding this, please contact us and we will do are very best to help you.