What we know about the measurement:

KEF R3 Meta is a passive bookshelves speaker that cost around 3500USD each .

  • Quality of the measurement data is medium .
  • Origin of the data is Vendors-KEF .
  • Format of the data is .
  • Sensitivity: 86.8dB (avg. 100Hz-1kHz for 2.83V measured at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 55.7Hz (resp. 40.0Hz).
  • Reference level is normalised to 0.7dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.8dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 6.6 and would be 8.4 with a perfect subwoofer.
      • Details: NBD: ON 0.32, LW 0.27, SP 0.28, PIR 0.25; SM: SP0.99, PIR0.98; LFQ 0.67, LFX 37Hz
    • Tonality (Preference) Score is 6.9 with an EQ and would be 8.7 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.25, LW 0.2, SP 0.25, PIR 0.19; SM: SP0.98, PIR0.97; LFQ 0.67, LFX 38Hz
  • Link to original Review: white_paper review. .
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ