Wharfedale Diamond 12.4 Floorstanding Speakers

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Discontinued

Discontinued — Floorstanding Speakers

Diamond 12.4 Floorstanding Speakers

The powerhouse model of the Wharfedale DIAMOND 12 series, the DIAMOND 12.4 is the room-filling, chest-pounding, largest model in the series.

For larger, more powerful systems and cinema-style home theatre experiences, the DIAMOND 12.4 will fill your room with an impactful, immersive performance.

Configured in a 2.5 way system with exception crossover technology, the DIAMOND 12.3 utilises dual 150mm (6.5”) KlarityTM drivers for impactful yet refined mid-range and bass frequencies, while the 25mm (1”) dome tweeter delivers open and smoothly extended high frequencies.

$2,199.99

Expert technical support
3 years manufacturer warranty
Free shipping on orders over $300

Klarity affords focus

NEW Klarity™ cone material, formulated from a blend of Polypropylene and mica adds stiffness to reduce flexing, enabling a lightweight cone with high rigidity, low colouration and lightning-fast response.

Low colour and expression

The Klarity™ cone is fitted with a low-damping surround, thereby achieving both low colouration and expressive dynamics. By simulating many different cone shapes and adding ribs to provide further stiffening, a flat response curve was achieved without resorting to a high-damping surround, thereby striking the ideal balance.

A magnet of forces

A precision-made magnet system with an aluminium compensation ring to minimise the effect of variations in inductance as the voice coil travels. This contributes to an absence of distortion and intermodulation generated by the 'motor system'.

A voice coil beyond this class

The voice coil is wound on a high-power epoxy/glass fibre bobbin highly unusual in speakers at this price level. This has the advantage of not adding eddy currents and delivering greater power handling than an aluminium bobbin, whilst also being much stiffer than the Kapton type associated with this price-class.

DIAMOND highs

The 25mm dome is made from a woven polyester film with a high-loss coating to deliver open and smoothly extended high frequencies. The magnet system and the front plate have been optimised for wide dispersion and uncompressed behaviour. The front plate is flat and exposes the dome as much as possible; only a very short duct on the front plate balances the acoustic load and improves the SPL (sound pressure level) measurement.

A crossover of style

The crossover network uses an acoustic LKR 24dB topology. This includes air-core inductors of the type more commonly found in high-end speakers, selected because they produce the lowest distortion of all inductor types. As the resistance of the coil is higher than a standard laminated steel or ferrite core inductor, the magnetic structure of the mid/bass driver has been modified to compensate, resulting in fast, clean bass with no distortion from the inductor.

Firm and fair

The DIAMOND 12.4's rear-ported enclosure is precisely sized so that the internal volume works in harmony with the drive unit system to deliver the desired sonic result. A multi-layered sandwich design subdues the identifiable characteristics of the cabinet's sound. Even the resonant properties of the glue between the layers was measured to determine the optimum combination.

Brace yourself

Inside the cabinet, Intelligent Spot Bracing connects opposite walls with a specific form of the wood brace to achieve an optimal reduction of cabinet resonance. These braces are precisely modelled by computer simulation to improve upon the commonplace figure of eight brace, which may simply transfer resonance from one wall to another.

Frequently Asked Questions

What size room suits the Diamond 12.4?

The Diamond 12.4 is a 2.5-way floorstanding speaker suited to medium and larger rooms — roughly 18–35 m². Give it about 20–50 cm of breathing room from the rear wall and toe it in slightly toward the listening seat for a focused stereo image.

What amplifier should I pair with the Diamond 12.4?

The Diamond 12.4 presents a nominal 8Ω load and 89dB sensitivity, and Wharfedale recommends roughly 30-200W per channel. A quality integrated amplifier or AV receiver in that range drives it cleanly without strain — aim for clean, stable power rather than maximum wattage.

Does the Diamond 12.4 need a subwoofer?

The Diamond 12.4 reaches down to about 40 Hz, so it delivers full, satisfying bass for everyday music listening on its own. In most rooms it won't need one for music; add a Wharfedale subwoofer if you're building a dedicated home-cinema system.

Is the Diamond 12.4 the top model in its range?

The Diamond 12.4 is the flagship floorstander in its series, with the largest drivers and the most output. Step down to the smaller models in the same series if you have a more compact room or want to save a little.

What finishes does the Diamond 12.4 come in?

The Diamond 12.4 is available in Walnut, Black, Light Oak and White. All finishes are the same speaker acoustically — choose whichever best suits your room. Every option is in stock with free Australian shipping.

Diamond 12.4 Floorstanding Speakers