What we know about the measurement:

KEF R11 Meta is a passive floorstanders speaker that cost around 6500USD for a pair .

  • Quality of the measurement data is high .
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 90.4dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 67.4Hz (resp. 33.7Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.3dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 6.12 and would be 7.53 with a perfect subwoofer.
      • Details: NBD: ON 0.516, LW 0.409, SP 0.305, PIR 0.313; SM: SP0.959, PIR0.893; LFQ 1.385, LFX 30Hz
    • Tonality (Preference) Score is 6.89 with an EQ and would be 8.3 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.367, LW 0.271, SP 0.255, PIR 0.214; SM: SP0.966, PIR0.937; LFQ 1.385, LFX 30Hz
  • Link to Original review.
  • Link to original Review: white_paper review. .
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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