Bowers & Wilkins 804 D4 [Amp Needed] Floorstanding Speakers

Description

For listeners who crave the performance of an 800 Series Diamond floorstander but prefer a more conventional aesthetic, the 804 D4 is the perfect choice. Its new cabinet and plinth make it our best-performing 804 yet.

Classic quality
804 D4 is perhaps more conventional in appearance than other floor-standers in the 800 Series Diamond range, but its every bit as sophisticated. Its new Reverse-Wrap cabinet is both a mechanical and acoustic revolution in its class, and its new plinth ensures rock-solid, accurate bass response too.

Aluminium top-plate
Every stereo model in the new 800 Series Diamond range has a significantly upgraded cabinet with an all-new aluminium top-plate. This also provides a perfect mounting point for all-new Leather by Connolly trim, with luxurious black leather for dark cabinets and light grey for lighter finishes.

Reverse Wrap cabinet
Instead of a conventional loudspeaker box, the cabinet in 804 D4 is 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.

Aluminium plinth
A great speaker needs a rock-solid foundation. The new 804 D4 uses a downwards-firing Flowport exiting on to a solid aluminium plinth complete with a steel constrained layer damping sheet, which controls unwanted resonance. It also has greatly upgraded spikes for maximum stability and durability.

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.

Technical Specification

• Dimensions
  Height: 1071mm (42.2 in)
  Width: 306mm (12 in)
  Depth: 391mm (15.4 in)
• Net weight
  36.85kg (81.2 lb)
• Technical features
  Diamond tweeter
  Solid body Tweeter-on-Top
  Continuum cone FST
  Anti-Resonance plug
  Biomimetic Suspension
  Matrix
  Aerofoil cone bass units
  Flowport
• Description
  3-way vented-box system
• Drive units
  1x 25mm (1in) Diamond dome high-frequency
  1x 130mm (5in) Continuum cone FST midrange
  2x 165mm (6.5in) Aerofoil cone bass units
• Frequency range
  20Hz to 35kHz
• Frequency response
  24Hz to 28kHz (+/-3dB from reference axis)
• Sensitivity
  89dB (on axis at 2.83Vrms at 1m)
• Harmonic distortion
  2nd and 3rd harmonics (90dB,1m on axis)
  <1% 90Hz 20kHz
  <0.3% 120Hz 20kHz
• Nominal impedance
  8 (minimum 3.0)
• Recommended amplifier power
  50W 200W into 8 on unclipped programme
• Max recommended cable impedance
  0.1

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