The loudspeaker that sets the standard other high-end designs will be judged by for years to come. Endowed with every new technology the 800 Series Diamond has to offer, the reference-quality 801 D4 is an instant icon.
Key Features
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Diamond Tweeter – Delivers unparalleled high-frequency performance.
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Solid Body Tweeter-on-Top – Enhances clarity and reduces distortion.
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Continuum™ Cone FST – A breakthrough in midrange technology for precise sound.
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Matrix™ – Advanced internal bracing for greater structural integrity and improved sound.
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Anti-Resonance Plug – Reduces cabinet resonances to improve overall sound quality.
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Biomimetic Suspension – Optimized for improved driver performance and smooth response.
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Turbine™ Head – Designed to improve low-frequency performance and reduce distortion.
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Aerofoil™ Cone Bass Units – Provides accurate bass with minimal distortion.
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Flowport – Helps to reduce air turbulence and provides better bass response.
Technical Specifications
| Size & Weight |
|
| Dimensions (Height x Width x Depth) |
1221mm x 451mm x 600mm (48.1 in x 17.8 in x 23.62 in) |
| Net Weight |
100.60kg (221.8 lb) |
| Drive Units |
|
| High-Frequency Driver |
1 x ø25mm (1in) Diamond dome |
| Midrange Driver |
1 x ø150mm (6in) Continuum cone FST |
| Bass Drivers |
2 x ø250mm (10in) Aerofoil cone |
| Performance |
|
| Frequency Range |
13Hz to 35kHz |
| Frequency Response |
15Hz to 28kHz (+/-3dB from reference axis) |
| Sensitivity |
90dB (on axis at 2.83Vrms at 1m) |
| Harmonic Distortion |
< 1% (30Hz - 20kHz), < 0.3% (100Hz - 20kHz) |
| Impedance & Power |
|
| Nominal Impedance |
8Ω (minimum 3.0Ω) |
| Recommended Amplifier Power |
50W – 1000W 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 |
