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Crystal 4 series has been engineered for excitement — particularly for movies and music, a Crystal 4 system demonstrates coverage and depth usually associated with much more expensive home cinema systems. Intoxicating high frequencies, powerful bass — it’s mostly thanks to our tried and tested driver technology.
Kevlar is the chosen material for the low frequency drivers in Wharfedale’s leading products— It’s light, stiff and strong. Even our entry level range in Crystal 4 uses a premium Woven Kevlar weave in its bass and mid drivers (100mm bass driver on Crystal 4.1 bookshelf and a 125mm mid driver on the Crystal 4.3 floorstander). Combined with Wharfedale’s advanced motor systems and in-house manufacturing to guarantee the highest quality, the Crystal 4 delivers speech with clarity and sonic impact for movie special effects.
On the Crystal 4.3 floorstander an additional polypropylene bass driver completes the speaker and again, in-house manufacturing allows proprietary techniques to be used, ensuring the best possible performance. Where inferior polypropylene drivers can distort under the stress of highly dynamic music and soundtracks Wharfedale engineers use a specific technique to reduce this effect. A special Hot Compacted Woven Polypropylene is used, where aligned polypropylene fibres are added in a matrix of thermoformed polypropylene. This results in a much stronger drive unit and therefore lowering distortion, even with large musical peaks.
|General description||Bookshelf Speaker|
|Enclosure type||Bass Reflex|
|Bass driver||165mm Polypropylene Cone|
|Midrange driver||125mm Woven Kevlar Cone|
|Treble driver||25mm Soft Dome|
|Sensitivity (2.83V @ 1m)||88dB|
|Recommended amplifier power||25-120W|
|Nominal impedance||8Ω Compatible|
|Frequency response (+/-3dB)||50Hz - 20kHz|
|Bass extension (-6dB)||45Hz|
|Crossover frequency||500Hz & 2kHz|
|Cabinet Volume (in litres)||7.5L&21L|
|Height (on plinth)||(900+22)mm|