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B&W 803 Diamond

Floorstanding Speakers
$5,000 Each

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B&W 803 Diamond: Three woofers mean amazing bass!

B&W's new 803 Diamond floorstanding loudspeakers offer performance close to that of the top-of-the-line Diamond Series models, but with more room-friendly dimensions.

  • 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

The 803 Diamond might look almost as imposing as the 802 Diamond, but thanks to its smaller footprint and more traditional cabinet design, it will fit more comfortably into your home. With three massive 7-inch Rohacellᆴ bass drivers, it delivers almost as much bass as the 802 Diamond, filling even the largest of domestic rooms with rich, stunningly lifelike sound.

For the 800 Series Diamond range, B&W has refined the science of magnet motor design to a fine art. Each of the 803 Diamondメs three bass drivers is powered by a dual magnet motor system, creating a more symmetrical magnetic field and reducing harmonic distortion. Meanwhile a unique quad magnet design keeps the tweeter running cool and smooth, even at the highest frequencies.

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, we thought our Kevlar midrange cones couldn’t get any better – but then we 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.

Available in Rosenut, Cherrywood, and Piano Black.

Additional Information

Manufacturer Bowers & Wilkins
Manufacturer Part# No

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  • 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
    3x ø180mm (7 in) Rohacell® cone bass
  • Frequency range: -6dB at 28Hz and 33kHz
  • Frequency response 35Hz – 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% 50Hz – 100kHz
    < 0.5% 90Hz –100kHz
  • Nominal impedance: 8Ω (minimum 3.0Ω)
  • Crossover frequencies: 350Hz, 4kHz
  • Recommended amplifier power: 50W – 500W into 8Ω on unclipped programme
  • Max. recommended cable impedance: 0.1Ω
  • Height: 1164mm (45.8 in) (not including feet)
  • Width: 306mm (12 in)
  • Depth: 457mm (18 in)
  • Net weight: 90 lb
  • Finishes: Cherrywood, Rosenut, Piano Gloss Black