What we know about the measurement:

KEF Reference 2C Meta is a passive center that cost around 5500 USD

  • 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 76.9Hz (resp. 58.6Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.1dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 5.12 and would be 7.73 with a perfect subwoofer.
      • Details: NBD: ON 0.455, LW 0.259, SP 0.252, PIR 0.24; SM: SP0.958, PIR0.821; LFQ 1.36, LFX 58Hz
    • Tonality (Preference) Score is 5.76 with an EQ and would be 7.99 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.379, LW 0.253, SP 0.244, PIR 0.229; SM: SP0.953, PIR0.834; LFQ 1.203, LFX 47Hz
  • Link to original Review: eac review. Links to other reviews: yt review , kef review , asr review .
  • Vendor specifications:
    • Sensitivity 86 dB
    • Impedance 3.2 Ohm
    • SPL
      • peak: 113 dB
    • Size
      • Width 630mm
      • Height 205mm
      • Depth 335mm
    • Weight 22.8kg
KEF Reference 2C Meta
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
PK 44.0 0.85 3.0
PK 102.0 1.82 -1.83
PK 689.0 0.36 -1.39
PK 1046.0 1.45 2.94
PK 1333.0 2.92 -2.65
PK 5347.0 1.19 -1.16
PK 9001.0 2.86 -0.96
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
KEF Reference 2C Meta
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 0.5
PK 100.0 2.14 -0.25
PK 160.0 2.14 0.0
PK 250.0 2.14 -0.25
PK 400.0 2.14 0.0
PK 630.0 2.14 0.0
PK 1000.0 2.14 0.25
PK 1600.0 2.14 -0.25
PK 2500.0 2.14 -0.25
PK 4000.0 2.14 -0.25
PK 6300.0 2.14 -0.5
PK 10000.0 2.14 0.0
PK 16000.0 2.14 -0.25
Download
This EQ is designed for a 15 bands graphical EQ.
KEF Reference 2C Meta
Graphic EQ 31 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.5
PK 31.0 4.32 0.5
PK 40.0 4.32 0.5
PK 50.0 4.32 0.5
PK 63.0 4.32 0.5
PK 80.0 4.32 0.0
PK 100.0 4.32 -0.25
PK 125.0 4.32 -0.25
PK 160.0 4.32 0.0
PK 200.0 4.32 0.0
PK 250.0 4.32 -0.25
PK 315.0 4.32 0.0
PK 400.0 4.32 0.0
PK 500.0 4.32 0.0
PK 630.0 4.32 0.0
PK 800.0 4.32 0.0
PK 1000.0 4.32 0.25
PK 1250.0 4.32 -0.25
PK 1600.0 4.32 -0.25
PK 2000.0 4.32 0.0
PK 2500.0 4.32 -0.25
PK 3150.0 4.32 -0.25
PK 4000.0 4.32 -0.25
PK 5000.0 4.32 -0.25
PK 6300.0 4.32 -0.5
PK 8000.0 4.32 0.0
PK 10000.0 4.32 0.0
PK 12000.0 4.32 0.0
PK 16000.0 4.32 -0.25
PK 20000.0 4.32 0.0
Download
This EQ is designed for a 31 bands graphical EQ.
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)
KEF Reference 2C Meta: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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