803 D4

£16,000.00

Their most compact headed model brings all the technical advantages of a dedicated midrange enclosure – the Turbine Head

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803 D4

Floor-standing speaker

803 D4 Black

Their most compact headed model brings all the technical advantages of a dedicated mid-range enclosure – the Turbine Head, with its decoupled midrange cone – to a smaller footprint that’s easily accommodated in any home.

Small wonder

803 D4 may be notably more compact than the 801 D4 or 802 D4, but it still bristles with technical innovation, most obviously in its use of a three-box construction.

Its 130mm (5in) midrange cone is carefully isolated from the impact of its bass cones thanks to its Turbine Head enclosure.

Reverse Wrap cabinet

Instead of a conventional loudspeaker box, their cabinets are made from a continuous curved section of wood, with the drive units mounted at the heart of the curvature.

This stiffer, more inert structure resists mechanical resonances far better and also ensures better dispersion of sound.

Enhanced Matrix

801 D4 Matrix

Matrix bracing uses interlocking panels to reinforce loudspeaker cabinet walls in all directions internally, reducing resonance and creating a more believable soundstage.

The Matrix assembly in 803 D4 is their best yet, ensuring optimum scale, power and intelligibility.

Aluminium bass pods

803 D4 mounts two Aerofoil bass cones in twin solid aluminium bass pods, each of which is clamped into an aluminium plate fixed to the stiffest part of its curved cabinet.

Formed as single pieces of metal, these stiff structures provide the perfect mechanical location for those powerful bass cones

Biomimetic Suspension

Biometric suspension

Sometimes, making a big difference takes unconventional thinking.

For decades, they thought nothing could improve on the sound of their famous yellow Aramid Fibre midrange cones, but eventually their ContinuumTM cone technology changed our minds.

Now, they have turned their attention to another crucial element in a loudspeaker cone: the fabric spider.

The all-new Biomimetic Suspension revolutionises midrange cone performance by greatly reducing the unwanted air pressure and coloration that a conventional fabric spider can generate.

The result? Midrange transparency you wouldn’t believe possible.

Decoupled midrange

Every 800 Series Diamond loudspeaker apart from the standmount 805 D4 has a dedicated midrange cone using several proprietary Bowers & Wilkins technologies: the Continuum FST cone, Biomimetic Suspension and midrange decoupling, the latter ensuring minimal interference from the operation of the loudspeaker’s bass units.

The science of sound

Innovation is at the heart of everything they do.

They question, they examine, they understand and then they evolve.

They use computer modelling to explore and reimagine every aspect of loudspeaker design. Learn more about all the technologies that combine to make 800 Series Diamond so special here

Step up for more power

803 D4 features all the most iconic ingredients in the 800 Series Diamond range including, of course, that famous headed enclosure.

It is, however, smaller than its other siblings.

Step up to the 802 D4, and you’ll get both larger 200mm (8in) bass cones and a larger 150mm (6in) midrange driver.

Specifications 803 D4

specifications 803 D4

Technical features
Diamond tweeter
Solid body Tweeter-on-Top
Continuum cone FST
Anti-Resonance plug
Biomimetic Suspension
Turbine Head
Matrix
Aerofoil cone bass units
Flowport

Description
3-way vented-box system

Drive units
1x ø25mm (1in) diamond dome high-frequency
1x ø130mm (5in) Continuum cone FST midrange
2x ø180mm (7in) Aerofoil cone bass units

Frequency range
16Hz to 35kHz

Frequency response
19Hz to 28kHz (+/-3dB from reference axis)

Sensitivity
90dB (on axis at 2.83Vrms at 1m)

Harmonic distortion
2nd and 3rd harmonics (90dB,1m on axis)
<1% 80Hz – 20kHz
<0.3% 100Hz – 20kHz

Nominal impedance
8Ω (minimum 3.0Ω)

Recommended amplifier power
50W – 500W into 8Ω on unclipped programme

Max. recommended cable impedance
0.1Ω

Dimensions
Height: 1165mm
Width: 357mm
Depth: 511mm

Net weight
62.15kg

Finishes
Cabinet:
Gloss Black
White
Satin Rosenut
Satin Walnut

Grille:
Black
Grey
Black
Grey

Brand

Bowers & Wilkins

Bowers & Wilkins

1960s: Humble beginnings

The sleepy coastal town of Worthing in South England might not look like a hotbed of 1960s freewheeling experimentation, but for audio fans it’s a place that’s synonymous with innovation. Thanks to the first Bowers & Wilkins speakers built here in the early years of the company, music lovers could experience albums such as Sgt. Pepper and Pet Sounds in new, mind-expanding depth and clarity

1966: Beginings

John Bowers begins assembling speaker systems in the workshop of his electronics shop in Worthing, South East England Following an inheritance of £10,000 from a satisfied customer, John Bowers sets up his own loudspeaker company

1966: P1

The first Bowers & Wilkins loudspeaker. The profit from P1 allowed the company to invest in new calibration equipment

1968: Domestic Monitors

The DM1 and DM3 were launched to bring high quality audio to more customers, at an affordable price point

1970s: A decade of milestones

With the company established and growing fast, Bowers & Wilkins developed its reputation for innovative design backed up by world-leading R&D. They introduced new forms and design concepts including Tweeter-on-Top, new cone materials such as Aramid fibre, and it all culminated in the launch of the iconic 801, soon to become the reference speaker of choice for many of the world’s leading recording studios

1970: DM70

With its curved cabinet, the DM70 changed the shape of loudspeaker design

1980s: The application of science

Extensive investment in research led to the establishment of the company’s dedicated R&D facility in Steyning. The era of MTV pop superstardom and bombastic stadium rock also saw Bowers & Wilkins buck the trend and introduce something small and unobtrusive: the “compact monitor”, or CM1

1990s: Rewriting the rulebook

The 1990s saw the pioneering work of the Steyning research team realised in spectacular fashion with the launch of Nautilus™, a speaker that rewrote preconceived notions of speaker design. It also saw major product launches at both ends of the spectrum, with the unveiling of the highly regarded entry-level 600 Series and the flagship Nautilus 800 Series

2000s: Expansion in to new categories

The decade that brought us iPods and smartphones saw them embrace the new world with the launch of the iconic Zeppelin. They also expanded into the car audio category and transformed the performance of their 800 Series with the development of the Diamond-dome tweeter

2015: 800 Series Diamond

The latest version of their flagship introduced a complete redesign and revolutionary new technologies, such as the Continuum™ cone

Additional information

Colour

High Gloss Black, Rosenut, Satin White, Walnut

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