What we know about the measurement:

KEF Q Concerto Meta is a passive bookshelves that cost around 1300 USD 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 .
  • -3dB (resp. -6db) point v.s. reference is at 52.7Hz (resp. 41.0Hz).
  • Reference level is normalised to -0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.5dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 6.18 and would be 7.88 with a perfect subwoofer.
      • Details: NBD: ON 0.431, LW 0.386, SP 0.308, PIR 0.312; SM: SP0.984, PIR0.952; LFQ 0.631, LFX 35Hz
    • Tonality (Preference) Score is 6.91 with an EQ and would be 8.49 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.329, LW 0.275, SP 0.25, PIR 0.208; SM: SP0.986, PIR0.97; LFQ 0.827, LFX 33Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
  • Vendor specifications:
    • Sensitivity 85 dB
    • Impedance 3.2 Ohm
    • SPL
      • peak: 108 dB
    • Size
      • Width 210mm
      • Height 415mm
      • Depth 315mm
    • Weight 9.5kg
KEF Q Concerto Meta
AutomaticEQ (IIR)
Set preamp gain to: -2.7dB.
Type Freq Q Gain
PK 44.0 0.96 2.9
PK 95.0 2.06 -2.42
PK 197.0 2.84 1.21
PK 395.0 2.9 -1.18
PK 689.0 2.98 -2.26
PK 1642.0 1.73 -2.29
PK 2245.0 0.25 1.74
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Improvement made by adding the above EQ
EQ
AutoEQ
Target v.s. EQ
Target v.s. EQ
Histogram of errors
On Axis (fullrange)
Listening Window (fullrange)
Predicted In-Room Response (fullrange)
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