What we know about the measurement:

KEF R3 Meta is a passive bookshelves speaker that cost around 2200USD for a pair .

  • Quality of the measurement data is high .
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 85.9dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 77.6Hz (resp. 58.6Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.1dB 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 6.16 and would be 7.97 with a perfect subwoofer.
      • Details: NBD: ON 0.389, LW 0.34, SP 0.323, PIR 0.287; SM: SP0.961, PIR0.914; LFQ 0.804, LFX 38Hz
    • Tonality (Preference) Score is 6.65 with an EQ and would be 8.38 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.316, LW 0.267, SP 0.294, PIR 0.223; SM: SP0.964, PIR0.93; LFQ 0.804, LFX 36Hz
  • Link to original Review: white_paper review. Links to other reviews: eac review , yt review , whi review , hifi 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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