Wharfedale Diamond 12.3i Floorstanding Speakers Pair - Black

Wharfedale Diamond 12.3i 2.5-Way Floorstanding Speakers in Black – Powerful, Refined & Beautifully Updated

The Wharfedale Diamond 12.3i builds on the award-winning reputation of the Diamond 12 Series, bringing subtle acoustic upgrades and a premium new look that suits modern homes. As a 2.5-way floorstanding design with a rear-firing port, it delivers fuller bass, cleaner midrange performance, and an impressively open soundstage—ideal for both music lovers and home cinema users who want a balanced, engaging listening experience.

A Modern Take on a Trusted Hi-Fi Classic

For more than five years, the original Diamond 12 Series has been praised for offering exceptional performance at an accessible price. The new 12i generation keeps the essence of that success but introduces refined cabinet finishes and carefully tuned internal updates that elevate both style and sound quality.

Choose from three contemporary finishes—deep All-Black, warm Classic Walnut, or the sleek Stone Grey—each designed to blend seamlessly with today’s living spaces.

Improved Bass Control with Re-Engineered Port Design

A key enhancement in the Diamond 12.3i is its retuned rear port system. Wharfedale’s acoustic team undertook extensive measurement and real-world listening tests to optimise airflow and reduce turbulence. The result is bass that is:

• Tighter and more articulate
• Better controlled in smaller rooms
• Seamlessly integrated with midrange frequencies

Whether you place them closer to a wall or in a wide-open space, the 12.3i maintains stability, clarity, and consistent dispersion.

Klarity™ Cone Technology for Natural, Expressive Sound

The dual mid/bass drivers use Wharfedale’s Klarity™ composite cones, engineered from a blend of polypropylene and mica. This material offers the ideal mix of stiffness, lightness, and internal damping, giving the speakers:

• Fast, accurate transient response
• Smooth, natural vocals
• Low distortion at all volume levels

A low-damping surround and ribbed geometry help maintain precision and deliver a wide, engaging dynamic range.

Advanced Magnet System for Cleaner Output

Each driver uses a refined motor structure with an aluminium compensation ring to minimise distortion caused by changes in inductance. Combined with a high-power epoxy/glass fibre voice coil bobbin, the 12.3i handles dynamics effortlessly, delivering clean performance even during demanding tracks or action-packed soundtracks.

25mm High-Performance Textile Dome Tweeter

High frequencies are handled by a 25mm woven polyester dome with a carefully damped coating. The tweeter is housed in a flat front plate designed for wide, even dispersion, giving you:

• Crisp, controlled treble
• Excellent off-axis performance
• A smooth, non-fatiguing top end perfect for long listening sessions

High-Grade Crossover for Seamless Integration

Wharfedale employs a precise Linkwitz-Riley crossover using air-core inductors—components rarely found in speakers at this price. The result is a beautifully blended transition between the drivers, maintaining rhythm, coherence, and musicality across every genre.

Rigid, Low-Resonance Cabinet Construction

The cabinet of the Diamond 12.3i features a multi-layered sandwich design that combats resonance and enhances clarity. Inside, computer-modelled bracing locks the structure together without transferring vibrations across the panels, allowing the drivers to perform with greater accuracy and stability.

A Refined Evolution That Keeps What Matters

The Wharfedale Diamond 12.3i doesn’t try to reinvent a classic—it improves it. With upgraded tuning, premium finishes, and the trusted engineering the Diamond range is known for, these floorstanders offer remarkable detail, impressive scale, and a musical presentation that simply feels right.

Perfect for music, movies, and modern living spaces, the 12.3i is a worthy step forward in one of the UK’s most respected loudspeaker lineups.

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