Paradigm Persona SUB

The Paradigm Persona SUB features six 20.3 cm speakers in an acoustic suspension enclosure, powered by a 1,700-watt Ultra-Class-D amplifier. Specifically designed to integrate with the Persona series, this model includes Anthem Room Correction (ARC) acoustic calibration with a calibration microphone. Its ability to reach down to 12 Hz and its anti-vibration construction make it a reference choice for high-end audio systems.

Hexagonal Architecture and Anti-Vibration Design

The most distinctive element of the Persona SUB lies in its patented hexagonal architecture by Paradigm. This unique geometry allows six 20.3 cm speakers to be arranged radially, creating a diaphragm surface equivalent to that of a single 19-inch driver. This approach offers several technical advantages: better distribution of mechanical stress, significant reduction of unwanted cabinet vibrations, and more precise control of air movement.

The subwoofer uses an acoustic suspension design rather than a port, thus eliminating the compression noise typical of bass-reflex designs. The hexagonal architecture also contributes to active vibration cancellation—when the drivers work in opposing pairs, the forces cancel each other out, drastically reducing cabinet resonance.

This design is an evolution of the renowned Signature Sub 2, retaining its core principles while incorporating the latest technologies developed by Paradigm. The substantial weight of 53.6 kg attests to the robustness of the construction, necessary to maintain structural integrity against the significant forces generated by the six drivers.

Speaker Technologies and Amplification

The six high-excursion X-PAL speakers form the technical heart of the Persona SUB. Each driver features overmolded Active Ridge Technology (ART) suspensions rather than traditional glued ones. This manufacturing technique ensures a more durable and uniform bond between the diaphragm and the chassis, while improving linearity of movement throughout the suspension’s range.

The four-layer voice coils measure 38 mm in diameter and use high-temperature Nomex composite formers, a material also used in aerospace for its thermal resistance and lightness. These features allow for optimal heat dissipation even under heavy use, ensuring consistent performance.

Amplification is provided by an Ultra-Class-D module developed specifically for this application. With 1,700 watts continuous and dynamic peaks of 3,400 watts, it has ample reserves to reproduce the most demanding transients. This class of amplification combines energy efficiency and sound quality, generating less heat than conventional topologies.

Integrated ARC Acoustic Correction

The Persona SUB comes standard with Anthem Room Correction (ARC), a system usually reserved for high-end preamplifiers and processors. This technology analyzes the listening room’s acoustics via the supplied calibration microphone, then automatically calculates the necessary corrections to optimize frequency response.

The integration of ARC is a considerable advantage as it allows the subwoofer’s characteristics to be automatically adapted to the acoustic specifics of each installation. The system measures room resonances, standing waves, and unwanted reflections, then applies corrective filters in real time. This professional approach ensures optimal integration regardless of the listening environment.

The calibration process remains accessible: after positioning the microphone at the listening points, the software performs a series of automatic measurements and generates the appropriate correction curves. This ease of use democratizes a technology once reserved for professional installations.

System Integration and Connectivity

The Persona SUB offers comprehensive connectivity suited to modern home installations. RCA and XLR inputs allow compatibility with any source, with respective impedances of 10 kΩ and 20 kΩ. This versatility makes integration easy in both traditional stereo setups and multichannel home theater systems.

The variable low-pass filter ranges from 35 Hz to 150 Hz, with a bypass option for users who prefer to let their preamplifier manage frequencies. The variable phase control from 0° to 180° allows for precise temporal integration with the main speakers, a crucial parameter for achieving coherent sound reproduction.

The Persona SUB’s aesthetics harmonize perfectly with other models in the series thanks to its glossy and metallic finishes. The Vanta Black and Harmony White glossy finishes, as well as the Aria Blue and Sonic Silver metallic options, allow for discreet integration into any decorative environment.

Acoustic Performance and Use Cases

The Persona SUB’s performance covers a particularly wide spectrum, with bass extension down to 12 Hz. This capability places the model among the market references for reproducing the most demanding content, whether it’s church organ, analog synthesizers, or cinematic effects.

The on-axis frequency response of ±2 dB between 19 Hz and 220 Hz in bypass mode, and ±3 dB between 15 Hz and 235 Hz in filtered mode, demonstrates remarkable linearity. This technical precision results in faithful timbre reproduction and excellent rhythmic definition.

For audiophile stereo systems, the Persona SUB provides the low-end foundation often missing from even high-end floorstanding speakers. In home theater setups, it efficiently handles the LFE channel while supporting the main speakers at the lowest frequencies. The option to use multiple units allows for coverage of large listening rooms or improved spatial uniformity.

Industrial Design and Finishes

The visual aspect of the Persona SUB reflects the aesthetic philosophy of the series: clean lines, balanced proportions, and meticulous finishes characterize this model, entirely made in Canada. The dimensions of 52.1 × 51.4 × 47.9 cm offer an interesting compromise between discretion and performance, allowing placement in most home environments.

The hexagonal shape, far from being a mere stylistic device, directly results from the technical constraints related to arranging the six drivers. This geometry gives the product a strong visual identity, immediately recognizable as part of the Paradigm universe. The quality of the finishes, whether glossy or metallic, meets luxury industry standards.

The substantial weight of 53.6 kg requires planning during installation, but reflects the solidity of the internal construction. This mass also contributes to the mechanical stability of the unit, reducing unwanted vibrations that could affect sound reproduction accuracy.

Technical Specifications

Design and Technology

• Hexagonal acoustic suspension subwoofer enclosure with vibration cancellation
• 6-speaker configuration

Signal Processing

• Variable low-pass crossover filter: 35 Hz to 150 Hz
• Bypass option available
• Variable phase control: 0° to 180°
• Anthem Room Correction (ARC™) acoustic correction with included calibration microphone

Acoustic Performance

• On-axis frequency response: ±2 dB from 19 Hz to 220 Hz (bypass option)
• On-axis frequency response: ±3 dB from 15 Hz to 235 Hz
• 30° off-axis frequency response: ±2 dB from 19 Hz to 220 Hz (bypass option)
• Low-frequency extension: 12 Hz

Speakers and Transducers

• Six 20.3 cm (8″) high-excursion X-PAL™ bass drivers
• Overmolded Active Ridge Technology (ART™) surrounds
• 3.8 cm (1½″) high-excursion 4-layer voice coils
• High-temperature Nomex® composite formers
• Advanced spiders
• 4.16 kg (9.2 lb) hard ferrite magnet

Electrical Specifications

• In-room / anechoic sensitivity: 100 mV (mono) / 100 mV (mono)
• Impedance
  • RCA: 10 kΩ
  • XLR: 20 kΩ
• Amplifier: power measurements in progress to ensure compliance with new FTC regulations

Dimensions and Finishes

• Dimensions (H × W × D): 52.1 × 51.4 × 47.9 cm (20.5″ × 20.25″ × 18.875″)
• Weight: 53.6 kg (118 lb)
• Available finishes
  • Gloss: Vanta Black, Harmony White
  • Gloss Metallic: Aria Blue, Sonic Silver