Reference 800 Series Diamond Performance in a Slimmer Floorstanding Design
The Bowers & Wilkins 804 D5 Reference Tower Loudspeaker (Pair) brings the advanced engineering of the 800 Series Diamond into a slimmer and more conventional floorstanding cabinet. Designed for listeners who want reference-level performance without the larger proportions of the Turbine Head models, the 804 D5 combines a 1-inch Diamond dome tweeter, 5-inch Continuum Cone FST midrange and dual 6.5-inch Aerofoil bass drivers for exceptional clarity, precise imaging and powerful low-frequency performance.
Although more compact than the larger 801 D5, 802 D5 and 803 D5, the 804 D5 retains many of Bowers & Wilkins' most advanced technologies. The Solid Body Tweeter-on-Top isolates the Diamond dome from the main cabinet, while the Continuum midrange operates inside a dedicated aluminum enclosure. Enhanced Matrix bracing, aluminum Space Frame reinforcement, a solid aluminum spine and a tuned-mass-damped plinth further reduce unwanted vibration, allowing the 804 D5 to deliver an open, controlled and highly revealing presentation from a comparatively room-friendly footprint.
Highlights & Benefits
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Reference Performance in a Smaller Footprint — The 804 D5 brings core 800 Series Diamond technologies into a slimmer, more conventional floorstanding enclosure suited to a wider range of listening spaces.
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Diamond Dome Tweeter — The 25mm Diamond dome pushes its break-up frequency to approximately 70kHz, helping produce exceptionally clean, open and precise high-frequency reproduction.
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Continuum Cone FST Midrange — A dedicated 130mm Continuum Cone driver uses FST technology, an Anti-Resonance Plug and Biomimetic Suspension for natural, highly detailed midrange reproduction.
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Dual 6.5" Aerofoil Bass Drivers — Twin 165mm Aerofoil-profile woofers provide deep, articulate low frequencies while maintaining excellent speed and control.
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Advanced Cabinet Construction — Enhanced Matrix bracing, aluminum Space Frame reinforcement and a continuous curved cabinet reduce resonance and unwanted internal reflections.
Technology & Design
Diamond Dome & Solid Body Tweeter-on-Top — The Diamond dome tweeter is mounted in its own rigid enclosure above the main cabinet. Separating the tweeter from the cabinet reduces mechanical interaction and minimizes diffraction for greater image focus and high-frequency openness.
Continuum Cone FST in an Aluminum Midrange Enclosure — The 5-inch Continuum midrange uses FST surround technology, Biomimetic Suspension and an Anti-Resonance Plug. Unlike the larger Turbine Head models, the 804 D5 houses this driver in a dedicated aluminum enclosure within the cabinet.
Twin Aerofoil Bass Cones — Two 6.5-inch Aerofoil-profile bass drivers use variable-thickness cone geometry to combine rigidity with low mass, helping the 804 D5 deliver bass that is both powerful and precisely controlled.
Matrix Cabinet & Tuned-Mass-Damped Plinth — Enhanced Matrix bracing and aluminum Space Frame elements reinforce the enclosure, while the upgraded plinth incorporates tuned-mass damping to provide a more stable mechanical foundation and reduce unwanted vibration.
FAQ — Bowers & Wilkins 804 D5
Is the Bowers & Wilkins 804 D5 sold as a pair?
This listing is for one stereo pair of Bowers & Wilkins 804 D5 reference floorstanding loudspeakers.
How much amplifier power is recommended for the 804 D5?
Bowers & Wilkins recommends 50 to 1000 watts per channel into 8 ohms with unclipped program material. The speaker's impedance can fall to 3.0 ohms, so high-quality amplification with strong current delivery is recommended.
What is the difference between the 804 D5 and 803 D5?
The 803 D5 uses Bowers & Wilkins' separate Turbine Head for its 5-inch Continuum midrange and has dual 7-inch Aerofoil bass drivers. The slimmer 804 D5 uses the same-size 5-inch Continuum midrange inside a dedicated aluminium enclosure within the cabinet and employs dual 6.5-inch Aerofoil woofers.
Which center channel is best matched with the 804 D5?
Bowers & Wilkins specifically identifies the HTM82 D5 as the matching center-channel speaker for systems based around the 803 D5 or 804 D5.
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