Description
The largest model in the R Series combines four bass drivers and the latest generation Uni-Q for a powerful and refined sound With hybrid aluminium bass drivers and a 12th generation Uni-Q for mid and treble the mighty R11is extremely capable. Using technology from KEF Reference it delivers clarity, finesse and serious bass.
Specifications -
• Model: R11
• Design: Three-way bass reflex
• Drive Units: Uni-Q Driver Array:
○ HF: 25mm (1in.) vented aluminium dome
○ MF: 125mm (5in.) aluminium cone
○ LF: 4 x 165mm (6.5in.) hybrid aluminium
• Crossover frequency: 400Hz, 2.9kHz
• Frequency range (-6dB): 30Hz - 50kHz
• Typical in-room bass response (-6dB): 26Hz
• Frequency response (±3dB): 46Hz - 28kHz
• Harmonic distortion (90dB, 1m): <0.3% 0.3% 120Hz - 20kHz
• Maximum output: 113dB
• Amplifier power (recommended): 15 - 300W
Specifications -
• Model: R11
• Design: Three-way bass reflex
• Drive Units: Uni-Q Driver Array:
○ HF: 25mm (1in.) vented aluminium dome
○ MF: 125mm (5in.) aluminium cone
○ LF: 4 x 165mm (6.5in.) hybrid aluminium
• Crossover frequency: 400Hz, 2.9kHz
• Frequency range (-6dB): 30Hz - 50kHz
• Typical in-room bass response (-6dB): 26Hz
• Frequency response (±3dB): 46Hz - 28kHz
• Harmonic distortion (90dB, 1m): <0.3% 0.3% 120Hz - 20kHz
• Maximum output: 113dB
• Amplifier power (recommended): 15 - 300W
