Bowers & Wilkins 803 D4 Floorstanding Speakers (Pair)

Size & Weight

• Net Weight: 62.15 kg (137 lb)
• Dimensions (Height x Width x Depth):
  • Height: 1165 mm (45.9 in)
  • Width: 357 mm (14.1 in)
  • Depth: 511 mm (20.1 in)

Technical Features

• Diamond Tweeter: Provides exceptional clarity in high frequencies.
• Solid Body Tweeter-on-Top: Optimizes high-frequency reproduction and soundstage precision.
• Continuum™ Cone FST™ Midrange: Delivers natural and accurate midrange frequencies.
• Matrix™: Internal bracing to reduce cabinet resonance and improve rigidity.
• Anti-Resonance Plug: Minimizes unwanted vibrations.
• Biomimetic Suspension: Ensures stable diaphragm movement for accurate sound.
• Turbine™ Head: Improves midrange clarity by reducing cabinet resonances.
• Aerofoil™ Cone Bass Units: High-performance bass drivers designed for deeper, more accurate bass.
• Flowport: Reduces turbulence in the port for cleaner bass.

Description

• Type: 3-way vented-box system.

Drive Units

• High-Frequency Driver: 1 x ø25mm (1in) Diamond Dome Tweeter.
• Midrange Driver: 1 x ø130mm (5in) Continuum™ cone FST™ midrange.
• Bass Drivers: 2 x ø180mm (7in) Aerofoil™ cone bass units.

Frequency Response

• Frequency Range: 16Hz to 35kHz.
• Frequency Response: 19Hz to 28kHz (+/-3dB from reference axis).
• Nominal Impedance: 8Ω (minimum 3.0Ω).
• Sensitivity: 90dB (on-axis at 2.83Vrms at 1m).

Performance

• Harmonic Distortion:
  • <1% 80Hz – 20kHz.
  • <0.3% 100Hz – 20kHz.
• Recommended Amplifier Power: 50W – 500W into 8Ω on unclipped programme.
• Max Recommended Cable Impedance: 0.1Ω.

Finishes

• Cabinet Finishes:
  • Gloss Black.
  • White.
  • Satin Rosenut.
  • Satin Walnut.
• Grille Finishes:
  • Black.
  • Grey.