KEF R11
KEF R11 | High-performance three-way floorstanding loudspeaker
The largest model in the R Series combines four woofers and the latest generation of Uni-Q for a powerful and refined sound. With hybrid aluminum woofers and a 12th generation Uni-Q for midrange and tweeter, the R11 is extremely powerful.
With KEF Reference Series technologies, it delivers clarity, finesse and powerful bass.
The R Series from KEF
Decades of experience and an unbridled passion for music come together in the new R Series. The new R Series combines innovations from the Reference Series with custom technologies to deliver more detail, deeper insight and more excitement.
With the R Series, you have a choice of three floorstanding speakers, one bookshelf speaker, and two other models designed for the perfect home cinema. Each speaker, like the KEF R11, delivers the best sound – regardless of room dimensions or system configuration – that KEF has ever developed in this performance class.
R stands for reference
At KEF, the Reference Series is the birthplace of cutting-edge technological innovation. This is the result of careful, creative research and development by the best engineers in the industry.
The new R Series benefits from many of the technologies, materials and developments developed for the Reference Series.
Feel the music
If you want to forget the world around you and give yourself over completely to sound, the R Series is for you. KEF has been working on the perfect loudspeakers for more than 50 years.
Just like you, we don’t want to just listen to music, we want to experience it, unite with it and feel like a part of it.
- Three-way floorstanding loudspeaker
- Bass reflex system
- Frequency response 46 Hz-28 kHz (±3 dB)
- Impedance 8 Ohm
- Type : 3 way speaker system
- Frequency response lower limit (Hz) : 46
- Frequency response upper limit (Hz) : 28000
- Number of speaker boxes : 2
- Type : Floorstanding loudspeaker
- Width (cm) : 31.06
- Height (cm) : 129.55
- Depth (cm) : 38.35
- weight (kg) : 37.7
- Speaker type : Floor standing speaker
- Speaker system : 3-way speaker system
- Efficiency/sound pressure (dB) : 90
- Impedance (Ohm) : 8
- min. recommended amplifier power (W) : 15
- max. recommended amplifier power (W) : 300
- Frequency response lower limit (Hz) : 46
- Frequency response upper limit (Hz) : 28000
- Crossover frequency low-mid (Hz) : 400
- Crossover frequency mid-high (Hz) : 2900
- Number of tweeters : 1
- Number midrange : 1
- Number of woofers : 4
- diameter tweeter (cm) : 2.5
- diameter midrange (cm) : 12.5
- diameter woofer (cm) : 16.5