| Frequency Response | Crossover Frequency : 450 Hz, 2.1 kHz
Frequency Response ( ±3dB ) 40Hz – 35KHz
Typical In-Room Bass Response ( -6dB ) : 25Hz
Frequency Range Free Field ( -6dB ) : Short Port : 35Hz -45KHz, Long Port : 32Hz - 45KHz
Harmonic Distortion 2nd & 3rd Harmonics ( 90dB, 1m ) : <0.5% 40Hz – 100KHz, <0.2% 200Hz – 2KHz, <0.1% 2kHz - 20KHz | 16 Hz - 35 kHz, 19 Hz - 28 kHz |
| Available Colors | Black, White, Blue, Grey, Silver | Black, White, Grey, Brown |
| Other Features | Available in 5 finishes.
Optimised cabinet design for best acoustic performance.
Enhanced crossover design fine-tuned the signal path for maximum clarity.
The Reference Series Grille set for each model is available as separate item.
With mounting inserts to secure on KEF S-RF1 Floor Stand ( available as separate item ).
Bespoke 12th generation Uni-Q with MAT driver array for exceptional acoustic accuracy.
Metamaterial Absorption Technology eliminates 99% of high-frequency distortion for pure, natural sound.
Five Models : Reference 1 Meta, Reference 3 Meta, Reference 5 Meta, Reference 2 Meta, Reference 4 Meta. | 3-Way Vented-Box System.
5-Year warranty Valid from the date of purchase for passive loudspeakers.
Technical features - Diamond Tweeter, Solid Body Tweeter-On-Top, Continuumâ„¢ Cone FST, Matrixâ„¢, Anti-Resonance Plug, Biomimetic Suspension, Turbineâ„¢ Head, Aerofoilâ„¢ Cone Bass Units, Flowport.
Our most compact headed model brings all the technical advantages of a dedicated midrange enclosure - the Turbineâ„¢ Head, with its decoupled midrange cone - to a smaller footprint that's easily accommodated in any home.
803 D4 features all the most iconic ingredients in the 800 Series Diamond range including, of course, that famous headed enclosure. It is, however, smaller than its other siblings. Step up to the 802 D4, and you’ll get both larger 200mm (8-in) bass cones and a larger 150mm (6-in) midrange driver. |
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