What we know about the measurement:

KEF R6C Meta is a passive center that cost around 1800 USD

  • Quality of the measurement data is medium.
  • Origin of the data is KEF.
  • Format of the data is .
  • Sensitivity: 88.6dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 79.9Hz (resp. 67.2Hz).
  • Reference level is normalised to 0.9dB 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 5.43 and would be 8.21 with a perfect subwoofer.
      • Details: NBD: ON 0.365, LW 0.281, SP 0.307, PIR 0.267; SM: SP0.972, PIR0.964; LFQ 0.971, LFX 63Hz
    • Tonality (Preference) Score is 6.03 with an EQ and would be 8.42 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.298, LW 0.215, SP 0.276, PIR 0.22; SM: SP0.939, PIR0.922; LFQ 0.971, LFX 51Hz
  • Link to original Review: white_paper review. .
KEF R6C Meta
AutomaticEQ (IIR)
Set preamp gain to: -4.7dB.
Type Freq Q Gain
5 79.0 1.01 2.8
3 79.0 0.27 2.85
3 106.0 1.69 -2.87
3 207.0 0.68 -2.69
3 584.0 2.92 -0.97
3 2461.0 2.74 1.9
3 3676.0 2.72 0.86
3 7669.0 0.31 -0.13
3 12246.0 0.61 1.34
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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 R6C Meta filters_auto_eq

AutomaticEQ

KEF R6C Meta filters_eq_full

Target v.s. EQ

KEF R6C Meta
Graphic EQ 15 bands
Set preamp gain to: -0.6dB.
Type Freq Q Gain
3 25.0 2.14 0.25
3 40.0 2.14 0.25
3 63.0 2.14 0.25
3 100.0 2.14 0.0
3 160.0 2.14 -0.25
3 250.0 2.14 -0.25
3 400.0 2.14 0.0
3 630.0 2.14 -0.25
3 1000.0 2.14 0.25
3 1600.0 2.14 0.0
3 2500.0 2.14 0.5
3 4000.0 2.14 0.25
3 6300.0 2.14 0.25
3 10000.0 2.14 0.5
3 16000.0 2.14 0.5
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These EQ is designed for a 15 bands graphical EQ.

KEF R6C Meta
Graphic EQ 31 bands
Set preamp gain to: -0.4dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.25
3 31.0 4.32 0.25
3 40.0 4.32 0.25
3 50.0 4.32 0.25
3 63.0 4.32 0.25
3 80.0 4.32 0.25
3 100.0 4.32 0.0
3 125.0 4.32 -0.25
3 160.0 4.32 -0.25
3 200.0 4.32 0.0
3 250.0 4.32 -0.25
3 315.0 4.32 0.0
3 400.0 4.32 0.0
3 500.0 4.32 0.0
3 630.0 4.32 0.0
3 800.0 4.32 0.0
3 1000.0 4.32 0.25
3 1250.0 4.32 0.0
3 1600.0 4.32 0.0
3 2000.0 4.32 0.0
3 2500.0 4.32 0.25
3 3150.0 4.32 0.0
3 4000.0 4.32 0.0
3 5000.0 4.32 0.0
3 6300.0 4.32 0.0
3 8000.0 4.32 0.25
3 10000.0 4.32 0.25
3 12000.0 4.32 0.25
3 16000.0 4.32 0.0
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

KEF R6C Meta: comparison between EQs
KEF R6C Meta

Comparison betweens various EQs

KEF R6C Meta

Improvements made by EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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