801 D4

Floor-standing speaker
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801 D4 - Black side front view

801 D4

£36,000 / pair

The loudspeaker that sets the standard other high-end designs will be judged by for years to come. Endowed with every new technology the 800 Series Diamond™ has to offer, the reference-quality 801 D4 is an instant icon.

  • Diamond Tweeter
  • Solid body Tweeter-on-Top
  • Continuum™ Cone FST
  • Anti-Resonance Plug
  • Biomimetic Suspension
  • Turbine™ Head
  • Matrix™
  • Aerofoil™ Cone Bass Units
  • Flowport™
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£36,000 / pair
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801 D4

801 D4

£36,000 / pair
£36,000 / pair
Estimated to ship on {0}

40 years of excellence

Innovation. 801 D4 is defined by it. In each of its incarnations over the decades, 801 has always been the most advanced loudspeaker that we know to make at that particular point in time, a showcase of all our newest technologies and most original thinking. Small wonder it has become an icon.

The ultimate Matrix™

The all-aluminium Turbine Head houses our Continuum™ midrange cone in a stiff and critically damped enclosure to eliminate unwanted resonances. At the same time, it’s decoupled from both the bass enclosure and the tweeter body. The result? The most realistic midrange sound yet.

Turbine™ Head

The all-aluminum Turbine Head houses our Continuum midrange cone in a stiff and critically damped enclosure to eliminate unwanted resonances. At the same time, it’s 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. Our new Biomimetic Suspension revolutionises midrange performance by greatly reducing the unwanted air pressure and coloration that a traditional fabric spider can generate. The result? Midrange transparency you wouldn’t believe.

The science of sound

Innovation is at the heart of everything we do. We question, we examine, we understand and then we evolve. We 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.

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The state of our art

801 D4 is our flagship and the most powerful model in the new 800 Series Diamond range. Its no-compromise design includes all our most advanced technologies in their purest, most optimised form alongside crossover components of the highest quality. You want our reference loudspeaker? This is it…

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Setting new standards of performance

This Model
801 D4 - Black side front view
801 D4
Floor-standing speaker
£36,000 / pair
1x 25mm (1 in) Diamond dome high-frequency
1x 150mm (6 in) Continuum cone FST midrange
2x 250mm (10 in) Aerofoil cone bass
801 D4 Signature - California Burl Gloss side front view
801 D4 Signature
Floor-standing speaker
£47,500 / pair
1x 25mm (1 in) Diamond dome high-frequency
1x 150mm (6 in) Continuum cone FST midrange
2x 250mm (10 in) Aerofoil Profile bass
802 D4 - Black side front view
...
802 D4
Floor-standing speaker
£27,000 / pair
1x 25mm (1 in) Diamond dome high-frequency
1x 150mm (6 in) Continuum cone FST midrange
2x 200mm (8 in) Aerofoil cone bass
803 D4 - Black side front view
...
803 D4
Flagship 800 Series Diamond floor-standing speakers
£21,500 / pair
1x 25mm (1 in) Diamond dome high-frequency
1x 130mm (5 in) Continuum cone FST midrange
2x 180mm (7 in) Aerofoil cone bass
801 D4
Details & Specifications