Description
As wonderfully versatile as its smaller brother the 805 Diamond, the elegant, floorstanding 804 Diamond has an even more commanding acoustic presence, thanks to a true three-way design incorporating two Rohacell® bass units, an FST™ midrange and a diamond dome tweeter delivering pin-sharp clarity...
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Description
As wonderfully versatile as its smaller brother the 805 Diamond, the elegant, floorstanding 804 Diamond has an even more commanding acoustic presence, thanks to a true three-way design incorporating two Rohacell® bass units, an FST™ midrange and a diamond dome tweeter delivering pin-sharp clarity all the way up the frequency range. A brilliant all-round performer for any occasion.
B&W 804 Diamond: The tower with the smallest footprint in the series
B&W's new 800 Series Diamond is the first to feature diamond tweeters in every speaker in the seven-model range, including the svelte 804 Diamond tower.
* New diamond tweeter produces less distortion and greater high-frequency extension and resolution
* New tweeter also uses a quad-magnet design that offers superior efficiency and greater dynamic range than previous models
* Signature B&W Kevlar and Nautilus tubes
* Groundbreaking advances in magnet and driver design
As wonderfully versatile as its smaller brother the 805 Diamond, the elegant, floorstanding 804 Diamond has an even more commanding acoustic presence, thanks to a true three-way design incorporating two Rohacell bass units, an FST midrange and a diamond dome tweeter delivering pin-sharp clarity all the way up the frequency range. A brilliant all-round performer for any occasion.
The new 800 Series Diamond
One material sums up B&W's quest for perfection in sound reproduction more than any other. Diamond. It's the ultimate tweeter material and the magic ingredient in their flagship 800 Series Diamond, where every speaker in the range benefits from the incredible precision and clarity of diamond. Further major advances in audio critical areas provide the entire range with a dramatic leap forward in terms of audio quality. The very best just got even better. And perfection just got even closer.
Back to the future
Launched in 1979, the original Bowers & Wilkins 801 speaker heralded the modern era of high-end loudspeaker design. Superior drive units isolated in separate chambers produced sound of unheard-of-realism and made the 801 a fixture in demanding recording studios and the homes of serious audio enthusiasts everywhere. It's been exactly the same story with every subsequent incarnation of the 800 Series, right up to the present day.
Diamond tweeters
Hard enough to cut stone and grind glass, diamond is a miracle material, used in advanced industrial applications like the Large Hadron Collider at CERN. Its combination of lightness and incredible stiffness also makes it the perfect tweeter material, capable of producing high frequencies way beyond the range of human hearing. Using modern scientific processes, B&W grows diamond under laboratory conditions to form the optimum tweeter dome shape.
Shock absorber
For a long time, the engineers at B&W thought their Kevlar midrange cones couldn't get any better -- but then they came up with the fixed suspension transducer (FST for short). FST enhances the properties of Kevlar by acting like a circular shock absorber around the cone, absorbing the sound-smudging bending waves that travel outwards to the perimeter. A midrange driver never sounded cleaner, or more responsive.
Diamonds for every occasion
You don't have to be an Abbey Road studio engineer to appreciate the stunning realism of the 800 Series Diamond. The range encompasses speakers of all sizes and applications, from mighty studio monitors to bookshelf speakers that will fit snugly into domestic spaces of any size. But while every speaker is different, they have several key features in common: a tweeter made from pure diamond, and sound quality that will leave you speechless.
Groundbreaking technology
The 800 Series Diamond represents the pinnacle of B&W's technological achievement, and the sum total of almost 50 years of research and development at the cutting edge of acoustic design. Inside the sturdy cabinet of every model in the range is some of the most advanced technology ever to be put inside a speaker. This includes signature Bowers & Wilkins technologies such as Kevlar and Nautilus tubes, alongside groundbreaking advances in magnet and driver design.
Dimensions
Height: 1020mm (40.2 in) (not including feet)
Width: 238mm (9.4 in)
Depth: 351mm (13.8 in)
Net weight 27kg (59 lb)
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Specifications
Description 3-way vented-box system
Drive units 1x ø25mm (1 in) diamond dome high-frequency
1x ø150mm (6 in) woven Kevlar® cone FST™ midrange
2x ø165mm (6.5 in) Rohacell® cone bass
Frequency range -6dB at 30Hz and 33kHz
Frequency response 38Hz - 28kHz ±3dB on reference axis
Dispersion Within 2dB of reference response
Horizontal: over 60º arc
Vertical: over 10º arc
Sensitivity 90dB spl (2.83V, 1m)
Harmonic distortion 2nd and 3rd harmonics (90dB, 1m)
<1% 90Hz - 22kHz
<0.5% 120Hz - 20kHz
Nominal impedance 8Ω (minimum 3.0Ω)
Crossover frequencies 350Hz, 4kHz
Recommended amplifier power 50W - 200W into 8Ω on unclipped programme
Max. recommended cable impedance 0.1Ω
Height: 1020mm (40.2 in) (not including feet)
Width: 238mm (9.4 in)
Depth: 351mm (13.8 in)
Net weight 27kg (59 lb)
Cabinet: Cherrywood, Rosenut
Piano Black Gloss
Grille: Black cloth
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