Paradigm Persona 9H (pack of 2)

The Persona 9H embodies the technological pinnacle of Paradigm, ushering in a new era for the Canadian manufacturer in the world of ultra-high-end loudspeakers. This revolutionary hybrid tower brings together cutting-edge materials and proprietary technologies, positioning Paradigm alongside the world’s most respected references. With its 3.5-way architecture combining powered bass and a pure beryllium passive section, it redefines performance standards at this level of excellence.

Hybrid Architecture and Technical Design

The Persona 9H adopts a sophisticated hybrid approach that optimizes each frequency range according to its specific needs. The bass section employs four 21.5 cm X-PAL woofers with very high excursion, arranged in a vibration-cancelling configuration with two front-firing and two rear-firing drivers. This out-of-phase setup eliminates unwanted cabinet resonances while multiplying the radiating surface.

Each pair of woofers benefits from its own dedicated 700-watt RMS amplifier controlled by DSP, for a total of 1400 watts RMS (2800 watts dynamic peak) devoted exclusively to the bass. This built-in amplification frees the main amplifier from the energy demands of low frequencies, allowing it to focus on the finesse of the midrange and treble.

The passive section, powered by an external amplifier, includes a 2.5 cm dome tweeter and a 17.8 cm midrange, both made from 99.9% pure Truextent beryllium. This hybrid distribution combines the advantages of active amplification for the bass with the freedom of electronic choice for the frequencies most sensitive to coloration.

Truextent Beryllium: The Quest for Absolute Transparency

Paradigm makes the Persona 9H the only speaker in its class to use beryllium for both the midrange and tweeter drivers. This bold technical choice is based on the exceptional properties of this rare chemical element: low atomic mass, extreme rigidity, and remarkable thermal stability.

The Truextent manufacturing process produces a sheet of pure beryllium with a highly uniform crystalline structure, exponentially stiffer and significantly lighter than conventional high-end materials. This material purity results in instantaneous transient response, near-perfect acoustic transparency, and inaudible residual coloration.

Both beryllium drivers feature perforated phase-aligning lenses (PPA), a proprietary technology that actively filters out-of-phase frequencies to smooth the response without tonal alteration. This sophisticated approach ensures remarkable spectral coherence across the entire mid-treble range.

Integrated Amplification and ARC Room Correction

The built-in amplification is based on class AB modules specifically optimized for the characteristics of the X-PAL woofers. The DSP control adjusts phase, amplitude, and filtering parameters in real time according to operating conditions, ensuring exemplary linearity even at the highest levels.

Anthem ARC (Anthem Room Correction) acoustic correction is one of the Persona 9H’s major assets. This system analyzes the interactions between the speaker and the room’s acoustics using a calibrated measurement microphone, then applies targeted digital correction to optimize the bass response. Unlike external software solutions, ARC operates in real time and can be activated or deactivated directly from the speaker for easy comparisons.

This native integration of correction delivers remarkably linear bass response in a variety of listening environments, without the usual compromises related to placement or acoustic treatments. The system effectively compensates for room resonance modes and response variations related to listening position.

Handcrafted Construction and Canadian Finish

The construction of the Persona 9H reflects Paradigm’s commitment to manufacturing excellence. The multilayer cabinet begins with seven layers of composite materials and viscoelastic adhesives assembled under a custom press. The whole assembly then undergoes radio-frequency energy treatment for nearly a week to accelerate and optimize the polymerization process.

This manufacturing method produces a constrained-layer damped speaker, creating an acoustically inert cabinet that forms the ideal foundation for high-performance drivers. The internal design incorporates complex bracing specifically calculated to manage the four high-excursion woofers and their amplifiers.

Standard finishes offer five premium colors: Harmony White, Vanta Black, glossy Carbon Black, plus the metallic shades Aria Blue and Sonic Silver. Paradigm’s Design Studio allows for extensive customization, including eighteen premium finishes, with independent color choices for grilles, metal elements, and drivers. This bespoke approach meets the most specific aesthetic requirements.

Acoustic Performance and Specifications

The Persona 9H boasts specifications that defy convention: frequency response of ±2dB from 19Hz to 45kHz on-axis, maintained at ±2dB from 19Hz to 20kHz at 30° off-axis. This exceptional linearity across such a wide bandwidth demonstrates the technical mastery of the whole system.

Bass extension reaches down to 15Hz according to DIN standards, placing the Persona 9H on par with the most capable dedicated subwoofers. Sensitivity of 96dB in-room (93dB in anechoic chamber) allows for high output levels with modest amplifiers, though the complex impedance profile calls for quality electronics.

The nominal impedance of 8 ohms hides a more complex reality, with a minimum of 2.4 ohms and an equivalent impedance (EPDR) dropping to 1 ohm around 9.7kHz. This characteristic requires amplifiers that are stable under low loads and capable of delivering high current to fully reveal the speaker’s potential.

Installation and System Compatibility

Weighing 86 kg per speaker and measuring 131.4 × 30.2 × 52.1 cm, installation requires careful planning and a sufficiently stable floor. The rear-woofer configuration requires a minimum clearance behind the speaker and influences optimal placement in the listening room.

Amplification compatibility ranges from 15 to 500 watts, but this theoretical range masks the reality: only audiophile-grade amplifiers will unlock the speaker’s full potential. Reviewers recommend high-current models capable of handling complex impedance dips, such as those from Pass Labs, Anthem, or McIntosh.

Setting up ARC correction requires a calibration phase with the supplied microphone—a guided process that analyzes the room’s acoustics and automatically optimizes the parameters. This unique procedure transforms the listening environment by ensuring perfectly integrated bass regardless of the room’s configuration.

Technical Specifications

Design and Architecture

• Hybrid floorstanding speaker with 6 drivers, 3.5-way configuration, and active acoustic suspension for bass

Drivers and Transducers

Tweeter

• 2.5 cm Truextent beryllium dome, ferrofluid cooled and damped
• Perforated Phase-Aligning Lens (PPA)
• Finite Element Analysis (FEA) optimized pole piece assembly

Midrange Driver

• 17.8 cm Truextent beryllium driver with inverse differential-drive neodymium motor
• Perforated Phase-Aligning Lens (PPA)
• SHOCK-MOUNT isolation mounting system
• 3.8 cm high-temperature voice coil

Bass Drivers

• Four 21.5 cm X-PAL ultra-high excursion woofers
• Differential-drive motor
• Overmolded Active Ridge Technology (ART) surrounds
• SHOCK-MOUNT isolation mounting system
• Dual 3.8 cm high-temperature voice coils

Crossover

• 3rd-order electro-acoustic crossover at 2.4 kHz (tweeter / midrange)
• 3rd-order crossover at 400 Hz (midrange / front woofers)
• 2nd-order crossover at 200 Hz (rear woofers)

Acoustic Performance

• On-axis frequency response: ±2 dB from 19 Hz to 45 kHz
• 30° off-axis frequency response: ±2 dB from 19 Hz to 20 kHz
• Bass extension: 15 Hz (DIN)
• Sensitivity (in-room / anechoic): 96 dB / 93 dB

Amplification and Correction

• Amplifier: power measurements in progress to ensure compliance with new FTC regulations
• Recommended amplifier power range: 15 - 500 watts
• Maximum input power: 400 watts
• Impedance: 8 ohm compatible
• Anthem Room Correction (ARC) acoustic correction with calibrated microphone included

Physical Characteristics

• Dimensions (H × W × D): 131.4 × 30.2 × 52.1 cm
• Weight: 86 kg
• Spike/thread inserts: 19.1 mm - 16 threads per inch