
Ultimate drive unit technology
Pairing our most advanced and innovative drive unit technology, the 803 D5 delivers our purest sound ever. The Diamond dome tweeter pushes break-up frequency to 70kHz, delivering exceptional clarity, precision and openness, and the Continuum™ cone delivers voices and instruments with lifelike detail.

Optimised for pure performance
Every model in the new 800 Series Diamond range benefits from enhanced technology. An upgraded Matrix™ design reduces resonance and creates a more believable soundstage, while aluminium Space Frame Bracing and an all-new aluminium top section within the cabinet help deliver an even more spacious and immersive sound.

Crafted to be better by design
The 800 Series Diamond looks this way for a reason. Its shape is dictated by the science of sound. Our cabinets are formed from a single continuous curve, locked in place by a solid aluminium spine, so cabinet reflections are reduced. Complemented by the Tweeter-on-Top and Turbine Head, musical performance is always as precise as possible.
Specifications
Size & weight
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DimensionsHeight: 1165mm (45.8 in) including tweeter and plinth
Width: 301mm (11.9 in) cabinet only, 359mm (14.1in) including plinth
Depth: 473mm (18.6in) including grille and terminals, 499mm (19.6in) including plinth
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Net weight63.7kg (140.3lbs)
Technical details
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Technical featuresDiamond dome tweeter
Solid body Tweeter-on-Top
Continuum™ cone FST midrange
Anti-Resonance plug
Biomimetic Suspension
Turbine Head
Matrix™
Aerofoil™ base cones
Flowport™
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Description3-way vented-box system
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Drive units1x ø25mm (1in) Diamond dome high-frequency
1x ø130mm (5in) Continuum cone FST midrange
2x ø180mm (7in) Aerofoil™ bass
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Frequency range-6dB 16Hz to 35kHz
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Frequency response19Hz to 28kHz (+/-3dB)
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Sensitivity90dB
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Harmonic distortion2nd and 3rd harmonics (90dB, 1m on axis)
<1% 80Hz – 20kHz
<0.3% 100Hz – 8kHz
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Nominal impedance8Ω (minimum 3.0Ω)
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Recommended amplifier power50W – 1000W into 8Ω on unclipped programme
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Max recommended cable impedance0.1Ω
Finishes
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Cabinet finishesStealth Black
Warm White
Dark Walnut
Light Walnut
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Grille finishesBlack (Stealth Black and Dark Walnut)
Grey (Warm White and Light Walnut)
This item requires further consultation. If interested, please reach out to our team and a product specialist will reach out within the hour.