With twin 8-inch LF drivers positioned perfectly either side of the remarkably sweet and accurate latest generation Uni-Q driver array, the KEF R900 ensures an incredible scale and depth. Upper registers are articulated with flawless precision, whilst the bass drivers maintain authoritative control over the LF – providing undistorted, earth moving realism and accuracy that will awaken your very soul.
Model |
R900 |
Design |
Three-way bass reflex |
Drive units |
Uni-Q driver array: HF: 25mm (1in.) vented aluminium dome MF: 125mm (5in.) aluminium Bass units: LF: 2 x 200mm (8in.) aluminium |
Frequency range (-6dB) |
35Hz - 45kHz |
Frequency response (±3dB) |
40Hz - 28kHz |
Crossover frequency |
400Hz, 2.9kHz |
Amplifier requirements |
25 - 250 W |
Sensitivity (2.83V/1m) |
90dB |
Harmonic distortion 2nd & 3rd harmonics (90dB, 1m) |
<0.4% 80Hz-20kHz |
Maximum output |
115dB |
Nominal impedance |
8Ω (min. 3.7Ω) |
Weight |
29.5kg (65lbs.) |
Dimension (H x W x D) (with grille and terminal) |
1130 x 240 x 365 mm (44.5 x 9.4 x 14.4 in.) |
Dimension (H x W x D) (with grille, terminal & plinth) |
1181 x 359 x 388 mm (46.5 x 14.1 x 15.3 in.) |
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