What we know about the measurement:

KEF Q11 Meta is a passive floorstanders that cost around 2200 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 .
  • Sensitivity: 89.2dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 58.6Hz (resp. 47.6Hz).
  • Reference level is normalised to -0.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.8dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-60.0°, 60.0°) 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 6.9 and would be 8.21 with a perfect subwoofer.
      • Details: NBD: ON 0.371, LW 0.33, SP 0.289, PIR 0.267; SM: SP0.992, PIR0.974; LFQ 1.011, LFX 29Hz
    • Tonality (Preference) Score is 7.22 with an EQ and would be 8.34 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.35, LW 0.301, SP 0.256, PIR 0.231; SM: SP0.989, PIR0.96; LFQ 1.011, LFX 26Hz
  • Link to original Review: yt review. .
  • Vendor specifications:
    • Sensitivity 89 dB
    • Impedance 4 Ohm
    • SPL
      • peak: 113 dB
    • Size
      • Width 317mm
      • Height 1112mm
      • Depth 380mm
    • Weight 22.5kg
KEF Q11 Meta
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
PK 27.0 1.76 2.87
PK 49.0 2.71 2.19
PK 121.0 0.73 -2.27
PK 382.0 2.97 -1.03
PK 600.0 2.99 -1.23
PK 1083.0 3.0 3.0
PK 1161.0 1.71 -3.05
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

KEF Q11 Meta filters_auto_eq

AutomaticEQ

KEF Q11 Meta filters_eq_full

Target v.s. 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
Frequency Frequency with EQ
Frequency Frequency with EQ
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