What we know about the measurement:

KEF Q100 is a passive bookshelves that cost around 600 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 85.8dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 82.8Hz (resp. 49.1Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.4dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-40.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.98 and would be 7.26 with a perfect subwoofer.
      • Details: NBD: ON 0.494, LW 0.417, SP 0.322, PIR 0.304; SM: SP0.902, PIR0.742; LFQ 0.701, LFX 49Hz
    • Tonality (Preference) Score is 6.21 with an EQ and would be 8.15 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.395, LW 0.346, SP 0.276, PIR 0.244; SM: SP0.962, PIR0.943; LFQ 0.619, LFX 41Hz
  • Link to Original review.
KEF Q100
AutomaticEQ (IIR)
Set preamp gain to: -4.7dB.
Type Freq Q Gain
3 52.0 0.61 2.98
3 85.0 0.26 2.87
3 155.0 0.59 -3.27
3 879.0 1.53 -3.53
3 1381.0 0.31 1.54
3 5536.0 1.27 -1.98
3 11085.0 2.09 -1.47
Download

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

KEF Q100 filters_auto_eq

AutomaticEQ

KEF Q100 filters_eq_full

Target v.s. EQ

KEF Q100
flipflop@ASR (IIR)
Set preamp gain to: -1.6dB.
Type Freq Q Gain
3 480.0 10.0 0.8
3 510.0 10.0 -0.8
3 600.0 10.0 1.3
3 660.0 15.0 0.9
3 728.0 4.6 -2.0
3 955.0 5.0 -2.2
3 1130.0 12.0 1.4
3 1225.0 7.0 -2.3
3 1630.0 7.0 1.2
3 2210.0 22.0 0.7
3 2465.0 1.0 12.0
3 2524.0 1.0 -11.3
3 3667.0 5.0 1.2
3 7862.0 1.0 -2.5
3 7937.0 5.0 1.7
3 8740.0 13.0 -0.6
3 9500.0 12.0 0.6
3 11171.0 5.0 -1.0
3 13400.0 4.0 -1.4
3 15600.0 3.0 -0.8
Download

These EQ is designed by ASR member flipflop.

KEF Q100
Graphic EQ 15 bands
Set preamp gain to: -1.1dB.
Type Freq Q Gain
3 25.0 2.14 0.75
3 40.0 2.14 0.75
3 63.0 2.14 0.75
3 100.0 2.14 0.5
3 160.0 2.14 0.0
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 -0.5
3 1600.0 2.14 0.25
3 2500.0 2.14 0.0
3 4000.0 2.14 0.0
3 6300.0 2.14 -0.25
3 10000.0 2.14 -0.5
3 16000.0 2.14 -0.25
Download

These EQ is designed for a 15 bands graphical EQ.

KEF Q100
Graphic EQ 31 bands
Set preamp gain to: -1.2dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.75
3 31.0 4.32 0.75
3 40.0 4.32 0.75
3 50.0 4.32 0.75
3 63.0 4.32 0.75
3 80.0 4.32 0.75
3 100.0 4.32 0.5
3 125.0 4.32 0.25
3 160.0 4.32 0.0
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 -0.5
3 1000.0 4.32 -0.25
3 1250.0 4.32 -0.25
3 1600.0 4.32 0.25
3 2000.0 4.32 0.25
3 2500.0 4.32 0.25
3 3150.0 4.32 0.25
3 4000.0 4.32 0.0
3 5000.0 4.32 -0.25
3 6300.0 4.32 -0.25
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 Q100: comparison between EQs
KEF Q100

Comparison betweens various EQs

KEF Q100

Improvements made by 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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