Bowers & Wilkins 805 D4 Signature

Bookshelf Speaker

Bowers & Wilkins 805 D4 Signature

Bookshelf Speaker
$6,750.00
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Overview

The 805 D4 is the only stand mount loudspeaker in the world to feature studio-grade technology in the form of a Diamond Dome tweeter. The 805 D4 can deliver enormous sound no matter the room size.

Watch our Comparison
The High Notes

The Best 800’s Ever

The new 801 Signature and 805 Signature are the best 800 models we have ever heard. They absolutely bowled us over with their sonic prowess and presented all forms of music in a way that made us feel like the performers were in the room.

A Quest for Perfection

The Bowers & Wilkins engineers in the UK took designs that were already extraordinarily good and searched for ways to lower distortion and improve clarity even more. This resulted in new drivers, crossovers, and cabinet parts to take the 801 D4 and 805 D4 to another level with the Signature version.

Impeccably Finished

We doubt you will find cabinets on any speaker better finished than the two unique styles available on the Signature 800 models. Whether you choose the Midnight Blue Metallic or California Burl, these will make a statement in your home like no other speaker.
801 D4 Signature
About Signature
About Signature

The name ‘Signature’ is one of the most illustrious and evocative in the Bowers & Wilkins canon. Every Signature model has had its own unique identity and at the same time, every model has been connected to its predecessor by several common threads: no-holds-barred performance, unique, distinctive beauty and special-edition exclusivity. Signature is a level above the best. This is us perfected.

Crafted. Honed. Perfected.
Crafted. Honed. Perfected.

Expertly crafted, diligently honed and optimised for perfection. The 800 Series Signature models build on the pioneering foundations of our most advanced range of loudspeakers. Refined technologies, timeless design and unique characteristics combine for a pinnacle loudspeaker. The 800 Series Signature models are loudspeakers like no other. They are the culmination of Bowers & Wilkins’ enduring dedication to performance and elegance.

801 D4 Signature
805 D4 Signature

The 805 D4 Signature standmount loudspeaker is compact and powerful. It features fully optimised technologies, including that all-important Diamond Dome tweeter and Solid Body Tweeter-on-Top. It’s proof positive that small can still be beautiful.

Turbine Head
Solid Body Tweeter

The latest incarnation of our iconic Solid Body Tweeter-on-Top housing features an elongated form with a longer tube-loading system and an all-new design of tweeter grille that has been optimised to produce an even more free and open sound with high frequencies. As before, the carefully decoupled housing is milled from a single solid block of aluminium to better resist resonance.

Crafted. Honed. Perfected.
Reverse Wrap cabinet

Instead of a flat-fronted speaker with a curving back, our cabinets are formed from one continuous curve, finished off with a spine of solid aluminium. Fewer joins make for a stiffer, more inert structure, and a curved front means less baffling around the drive units. So sound dispersion is improved, and cabinet reflection is reduced.

801 D4 Signature
Continuum™ Cone

Thanks to its composite construction, the Continuum™ Cone avoids the abrupt transitions in behaviour that can impair the performance of a conventional drive unit. The result is a more open, neutral performance that delivers voices and instruments with precision and transparency.

Details & Specs

Turbine Head

Hear the sound, not the cabinet. Bowers & Wilkins all-aluminium Turbine Head is a phenomenally stiff and inert housing for the crucial midrange cone, carefully damped to avoid unwanted resonances and decoupled from both the bass enclosure and the tweeter body. The result? The most realistic midrange sound yet.

Biomimetic Suspension

Sometimes, making a big difference takes unconventional thinking. For decades, we thought nothing could improve on the sound of our famous yellow Aramid Fibre midrange cones, but eventually, our Continuum™ Cone technology changed our minds. Now, we’ve turned our attention to another crucial element in a loudspeaker cone: the fabric spider. Our advanced Biomimetic Suspension revolutionizes 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.

Aluminium top-plate

Every new 800 Series Signature model has a significantly upgraded cabinet design with an all-new, optimized aluminium top section for even greater stiffness. The same design also provides a perfect mounting point for all-new Leather by Connolly cabinet detailing, with luxurious full-grain blue leather for our Midnight Blue Metallic models and full-grain black leather for our California Burl Gloss models.

Crossover

Both new 800 Series Signature models use upgraded rear-mounted crossover designs mounted on stiff aluminium spines. This isolates the sensitive capacitors from the unwanted effects of air pressure within the enclosure and makes for a very effective heatsink to ensure optimum performance when in use.

Leather by Connolly

The top section of both speakers features an optimized aluminium top-plate, covered in all-new Leather by Connolly trim. We use luxurious, full-grain blue leather for Midnight Blue Metallic, and full-grain black leather for California Burl Gloss.

  • Technical features -
    • Diamond tweeter
    • Solid-body Tweeter-on-Top
    • Continuum™ cone FST
    • Anti-Resonance plug
    • Matrix™
    • Flowport
  • Description - 2-way vented-box system
  • Drive units -
    • 1x ø25mm (1in) diamond dome high-frequency
    • 1x ø165mm (6.5in) Continuum cone FST midrange
  • Frequency range - 34Hz to 35kHz
  • Frequency response (+/-3dB from reference axis) - 42Hz to 28kHz
  • Sensitivity (on-axis at 2.83Vrms at 1m) - 88dB
  • Harmonic distortion -
    • 2nd and 3rd harmonics (90dB,1m on-axis)
    • <1% 90Hz – 20kHz
    • <0.3% 120Hz – 20kHz
  • Nominal impedance - 8Ω (minimum 3.0Ω)
  • Recommended amplifier power - 50W – 120W into 8Ω on unclipped program
  • Max. recommended cable impedance - 0.1Ω
  • Dimensions -
    • Height: 440mm (17.32")
    • Width: 240mm (9.45")
    • Depth: 373mm (14.69")
    • Net weight 15.55 kg (34.28 lbs)
  • Finishes -
    • Gloss Black Cabinet, Black Grille
    • White Satin Cabinet, Grey Grille
    • Rosenut Cabinet, Black Grille
    • Satin Walnut Cabinet, Grey Grille

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