What we know about the measurement:

KEF R8 Meta is a passive surround speaker that cost around 800USD each .

  • Quality of the measurement data is high .
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 84.8dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 117.2Hz (resp. 98.1Hz).
  • Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.6dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-50.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 1.58 and would be 5.21 with a perfect subwoofer.
      • Details: NBD: ON 0.606, LW 0.523, SP 0.505, PIR 0.502; SM: SP0.642, PIR0.235; LFQ 0.835, LFX 101Hz
    • Tonality (Preference) Score is 4.84 with an EQ and would be 8.15 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.341, LW 0.281, SP 0.266, PIR 0.252; SM: SP0.952, PIR0.892; LFQ 0.71, LFX 84Hz
  • Link to original Review: asr 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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