What we know about the measurement:

KEF Reference 3 Meta is a passive floorstanders that cost around 13500 USD for a pair.

  • Quality of the measurement data is medium.
  • Origin of the data is KEF.
  • Format of the data is .
  • Sensitivity: 87.3dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 42.2Hz (resp. 35.3Hz).
  • Reference level is normalised to 0.8dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.4dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 6.69 and would be 8.31 with a perfect subwoofer.
      • Details: NBD: ON 0.321, LW 0.251, SP 0.331, PIR 0.262; SM: SP0.97, PIR0.952; LFQ 1.034, LFX 34Hz
    • Tonality (Preference) Score is 7.17 with an EQ and would be 8.63 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.282, LW 0.199, SP 0.262, PIR 0.195; SM: SP0.977, PIR0.962; LFQ 0.861, LFX 31Hz
  • Note: Data computed by KEF is precise above 300Hz, the on axis is corrected below that. The other curves are interpolated below 300Hz and are not very precise..
KEF Reference 3 Meta
AutomaticEQ (IIR)
Set preamp gain to: -2.5dB.
Type Freq Q Gain
3 29.0 1.43 2.61
3 97.0 1.29 -1.86
3 227.0 2.09 -0.79
3 942.0 2.95 0.79
3 15135.0 0.49 1.0
3 3061.0 2.96 0.75
3 6183.0 2.94 -0.75
3 532.0 2.97 -0.75
3 1312.0 2.98 -0.75
Download

These EQ optimise the Harman score and is a good start for far field listening like in your living room.

KEF Reference 3 Meta filters_auto_eq

AutomaticEQ

KEF Reference 3 Meta filters_eq_full

Target v.s. EQ

KEF Reference 3 Meta
Graphic EQ 15 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
3 25.0 2.14 0.25
3 40.0 2.14 0.25
3 63.0 2.14 0.0
3 100.0 2.14 -0.25
3 160.0 2.14 -0.25
3 250.0 2.14 0.0
3 400.0 2.14 0.0
3 630.0 2.14 0.0
3 1000.0 2.14 0.25
3 1600.0 2.14 0.0
3 2500.0 2.14 0.0
3 4000.0 2.14 0.0
3 6300.0 2.14 0.0
3 10000.0 2.14 0.25
3 16000.0 2.14 0.25
Download

These EQ is designed for a 15 bands graphical EQ.

KEF Reference 3 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 0.0
3 80.0 4.32 -0.25
3 100.0 4.32 -0.25
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 0.0
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 0.25
3 2500.0 4.32 0.0
3 3150.0 4.32 0.25
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 0.25
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

KEF Reference 3 Meta: comparison between EQs
KEF Reference 3 Meta

Comparison betweens various EQs

KEF Reference 3 Meta

Improvements made by EQ
CEA2034
On Axis
Estimated In-Room Response
CEA2034
On Axis
Estimated In-Room Response
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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