What we know about the measurement:

KEF R5 Meta is a passive floorstanders that cost around 3500 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 71.8Hz (resp. 45.4Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.0dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 6.47 and would be 8.2 with a perfect subwoofer.
      • Details: NBD: ON 0.372, LW 0.322, SP 0.288, PIR 0.26; SM: SP0.983, PIR0.962; LFQ 0.801, LFX 36Hz
    • Tonality (Preference) Score is 7.03 with an EQ and would be 8.61 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.29, LW 0.259, SP 0.248, PIR 0.211; SM: SP0.99, PIR0.983; LFQ 0.819, LFX 33Hz
  • Link to original Review: eac review. Links to other reviews: yt review , white_paper review .
  • Vendor specifications:
    • Sensitivity 87 dB
    • Impedance 4 Ohm
    • SPL
      • peak: 110 dB
    • Size
      • Width 175mm
      • Height 1025mm
      • Depth 344mm
    • Weight 24.5kg
KEF R5 Meta
AutomaticEQ (IIR)
Set preamp gain to: -2.7dB.
Type Freq Q Gain
PK 51.0 0.45 2.96
PK 105.0 1.77 -2.51
PK 289.0 1.31 -2.33
PK 344.0 3.0 1.83
PK 739.0 2.54 -1.02
PK 1161.0 2.56 1.14
PK 6361.0 2.98 -1.11
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
KEF R5 Meta
AutomaticEQ LW (IIR)
Set preamp gain to: -2.5dB.
Type Freq Q Gain
PK 69.0 3.0 2.56
PK 243.0 2.17 -1.6
PK 714.0 2.59 -1.17
PK 1202.0 2.83 1.51
PK 2579.0 2.24 1.41
PK 8110.0 2.96 1.11
PK 13652.0 0.86 2.25
Download
This EQ optimise for a flat listening window and is a good start for near field listening like on your desk.
KEF R5 Meta
Graphic EQ 15 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
PK 25.0 2.14 0.25
PK 40.0 2.14 0.25
PK 63.0 2.14 0.25
PK 100.0 2.14 -0.25
PK 160.0 2.14 -0.25
PK 250.0 2.14 0.0
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 0.0
PK 2500.0 2.14 0.25
PK 4000.0 2.14 0.0
PK 6300.0 2.14 0.0
PK 10000.0 2.14 0.25
PK 16000.0 2.14 0.25
Download
This EQ is designed for a 15 bands graphical EQ.
KEF R5 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 0.25
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 -0.25
PK 200.0 4.32 -0.25
PK 250.0 4.32 -0.25
PK 315.0 4.32 -0.25
PK 400.0 4.32 -0.25
PK 500.0 4.32 0.0
PK 630.0 4.32 -0.25
PK 800.0 4.32 0.0
PK 1000.0 4.32 0.0
PK 1250.0 4.32 0.0
PK 1600.0 4.32 0.0
PK 2000.0 4.32 0.0
PK 2500.0 4.32 0.0
PK 3150.0 4.32 -0.25
PK 4000.0 4.32 0.0
PK 5000.0 4.32 0.0
PK 6300.0 4.32 0.0
PK 8000.0 4.32 0.25
PK 10000.0 4.32 0.25
PK 12000.0 4.32 0.25
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 R5 Meta: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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