} Bowers & Wilkins 804 D4 at Martins Hi-Fi UK

    Bowers & Wilkins 804 D4

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    Bowers & Wilkins 804 D4

    This is not just another speaker range. Each new generation of 800 Series Diamond is a landmark event for Bowers & Wilkins. This is a B&W benchmark, an icon; the most advanced range of loudspeakers, B&W knows how to make. The 800 Series Diamond is everything Bowers & Wilkins know, and everything we are.

     Technical features

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

    For listeners who prefer a more conventional aesthetic but crave the performance of an 800 Series Diamond Loudspeaker, the 804 D4 is a perfect choice. Its new reverse-wrap cabinet follows the proven design principles established by its larger siblings

    When it came to designing the ideal shape for the 800 Series Diamond cabinet, B&W did a U-turn quite literally. The cabinets are formed from one continuous
    curve, backed by a spine of solid aluminum, so the sound dispersion is improved and cabinet reflection is reduced.

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

    The B&W 804D4 will be on demonstration at Martins HI-Fi and we will also be hosting a future event. If you wish to book a private demonstration please contact us via the chatbox, call 01603 627010 or email info@martinshifi.co.uk




    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


    • 3-way vented-box system

    Drive Units

    • 1x ø25mm (1in) diamond dome high-frequency
    • 1x ø130mm (5in) Continuum cone FST midrange
    • 2x ø165mm (6.5in) Aerofoil cone bass units

    Frequency Range

    • 20Hz to 35kHz

    Frequency response (+/-3dB from reference axis)

    • 124Hz to 28kHz

    Sensitivity (on axis at 2.83Vrms at 1m)

    • 89dB

    Harmonic Distortion

    • 2nd and 3rd harmonics (90dB, 1m on axis)
    • <1 % 90Hz – 20kHz
    • <0.3% 120Hz – 20kHz

    Normal Impedance

    • 8Ω (minimum 3.0Ω)

    Recommended Amplifier Power

    • 50W – 200W into 8Ω on unclipped programme

    Max Recommended Cable Impedance

    • 0.1Ω


    • Height: 1071mm
    • Width: 306mm
    • Depth: 391mm


    • 36.85kg

    Cabinet Finishes

    • Gloss Black
    • White
    • Satin Rosenut
    • Satin Walnut