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Wharfedale Diamond 12.4

$1,899

* Full NZ warranty
CODE: diamond124 Brand:
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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 […]

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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.

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.

DIAMOND 12.4 Specifications

General description 2.5-way floorstanding speaker
Enclosure type bass reflex
Bass driver 6.5″(150mm) advanced PP Cone
Midrange driver 6.5″(150mm) advanced PP Cone
Treble driver 1″(25mm) Textile Dome
AV shield No
Sensitivity(2.83V @ 1m) 89dB
Recommended amplifier power 30-200W
Peak SPL 102dB
Nominal impedance 8Ω Compatible
Minimum impedance
Frequency response(+/-3dB) 40Hz ~ 20kHz
Bass extension(-6dB) 35Hz
Crossover frequency 2.1kHz
Cabinet Volume (in litres) 40.8L
Dimensions ( H x W x D ) (1100+50) x 200 x (350+28) mm
Net weight 22.4kg/pcs
Unit Sold as a Pair

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