Sonus faber Gravis III: The Ultimate High-End Reference Subwoofer

The Sonus faber Gravis III is a reference-grade subwoofer that redefines low-frequency performance through advanced digital control and artisan Italian engineering. Designed to anchor the Olympica Nova and higher-end Sonetto collections, it delivers a massive, controlled, and deeply emotional soundstage for the most demanding audiophiles.

Description

Table of Contents

  1. Introduction to the Sonus faber Gravis III
  2. Reference Aesthetics: The Olympica Nova Connection
  3. Key Technical Specifications
  4. Revolutionary App Control and Digital Calibration
  5. The Power of the 10″ Ultra-Long Throw Driver
  6. Why the Sonus faber Gravis III is a Must-Have
  7. Frequently Asked Questions (FAQ)

1. Introduction to the Sonus faber Gravis III

The Sonus faber Gravis III is where raw physical power meets intelligent digital management. As a significant step up from the Gravis I and II, this model is designed for listeners who require absolute precision in their low-frequency reproduction. It is not merely a bass speaker; it is a sophisticated acoustic tool that integrates into your room’s unique environment.
By utilizing a high-performance active driver and a specialized Class AB amplifier, the Sonus faber Gravis III achieves a level of “fast” bass that perfectly tracks the most rapid musical transients. Whether it’s the visceral impact of a drum kit or the sustained low notes of an organ, this subwoofer handles it with effortless authority.

2. Reference Aesthetics: The Olympica Nova Connection

The design of the Sonus faber Gravis III is inspired by the award-winning Olympica Nova series. The top surface is covered in hand-selected leather, while the sides feature real wood veneers with the signature Sonus faber metal string accents.
This level of craftsmanship ensures that the Sonus faber Gravis III looks as premium as it sounds. It is designed to be displayed proudly, serving as a functional work of art that enhances the visual appeal of any high-end listening room.

3. Key Technical Specifications

The Sonus faber Gravis III provides a substantial upgrade in power and technology:
Feature Specification
System Type Closed box loaded, active subwoofer
Drive Unit 10″ ultra-long throw, sandwich honeycomb cone
Amplifier Type High-linearity Class AB (600W RMS / 900W Peak)
Frequency Response 25 Hz to fc (user adjustable)
Inputs LFE (RCA/XLR), Line Level (RCA), High Level (Speakon®)
Connectivity Bluetooth control via dedicated App

4. Revolutionary App Control and Digital Calibration

One of the standout features of the Sonus faber Gravis III is its dedicated control application. No longer do you have to crawl behind the subwoofer to make adjustments. Using your smartphone, you can control:
  • Volume and Mute: Fine-tune levels from your listening position.
  • Crossover Frequency: Seamlessly blend the sub with your main speakers.
  • Phase Adjustment: 0° to 360° for perfect timing alignment.
  • Parametric EQ: Optimize the output to fix room-specific acoustic issues.

5. The Power of the 10″ Ultra-Long Throw Driver

The heart of the Sonus faber Gravis III is its 10-inch active driver. Unlike standard paper cones, this driver uses a sandwich honeycomb structure. This material is incredibly light but extremely rigid, preventing cone flex even when pushed to its 600W RMS limit.
Paired with a high-current Class AB amplifier, the Sonus faber Gravis III delivers bass that is deep, “dry,” and free from the bloat commonly associated with lesser subwoofers.

6. Why the Sonus faber Gravis III is a Must-Have

The Sonus faber Gravis III is for the enthusiast who wants zero compromises.
  • XLR Connectivity: Includes balanced LFE inputs for professional-grade, noise-free signal transmission.
  • Musical Accuracy: Specifically voiced to match the tonality of the Olympica Nova and Sonetto G2 lines.
  • Intelligent Standby: Advanced power management that wakes the sub instantly when a signal is detected.
Explore the Sonus faber Engineering Philosophy for more on the DAD and Sandwich cone technologies.

7. Frequently Asked Questions (FAQ)

Does the Sonus faber Gravis III support balanced XLR?
Yes, the Sonus faber Gravis III features a balanced XLR LFE input, making it ideal for high-end processors and long cable runs without interference.

What is the difference between Gravis II and Gravis III?
The Sonus faber Gravis III adds a more powerful 600W amplifier, a honeycomb sandwich cone for better rigidity, and full app-based digital control which is not available on the Gravis II.

Can the app help with room correction?
While it provides a 4-band parametric EQ to help you manually correct room peaks, we recommend using the app from your primary listening seat to get the most accurate results.

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