Wharfedale Diamond 12.C

Sale price Rs. 42,000.00
0.0

The DIAMOND 12.C represents a significant improvement over previous models. Its design takes advantage of the woofer’s rear radiation by venting it through a critically tuned rear-facing port. Computer simulations and extensive listening tests were used to determine the optimal port design, precisely matched to the enclosure’s internal volume and the woofer’s acoustic behavior. Additionally, the crossover network is far more sophisticated than what is typically found in speakers within this price range.

Wharfedale Diamond 12.C Front Speaker

  • It has 2-Way bass reflex system.
  • It has a frequency response of 90Hz to 20kHz.
  • It has 5 advanced PP Cone bass driver system.
  • It has recommended amplifier power up to 20–120W.

General description

2-way floorstanding speaker

Enclosure type

closed-box system

Transducer complement

2-way

Bass driver

5"(130mm) advanced PP Cone x2

Treble driver

1"(25mm) Textile Dome

AV Shield

No

Sensitivity (2.83V @ 1M)

90dB

Recommended amplifier power

20-120W

Peak SPL

96dB

Nominal impedance

8Ω Compatible

Minimum impedance

4.0Ω

Frequency response(+/-3dB)

90Hz ~ 20kHz

Bass extension(-6dB)

80Hz

Crossover frequency

2.2kHz

Cabinet Volume (in litres)

8.7L

Dimensions ( H x W x D )

180 x 480 x (180+28) mm

Net weight

8.5kg/pcs

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.C ’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.

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