What we know about the measurement:

KLH 911B is a passive bookshelves

  • Quality of the measurement data is unknown.
  • Origin of the data is KLH.
  • Format of the data is .
  • -3dB (resp. -6db) point v.s. reference is at 128.8Hz (resp. 106.8Hz).
  • Reference level is normalised to 0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 5.4dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 0.36 and would be 4.15 with a perfect subwoofer.
      • Details: NBD: ON 0.763, LW 0.679, SP 0.537, PIR 0.602; SM: SP0.312, PIR0.076; LFQ 0.666, LFX 109Hz
    • Tonality (Preference) Score is 4.7 with an EQ and would be 7.32 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.499, LW 0.421, SP 0.394, PIR 0.378; SM: SP0.933, PIR0.866; LFQ 0.578, LFX 58Hz
KLH 911B
AutomaticEQ (IIR)
Set preamp gain to: -5.1dB.
Type Freq Q Gain
PK 65.0 0.56 3.0
PK 160.0 1.85 -4.05
PK 166.0 0.25 3.0
PK 849.0 1.22 -2.17
PK 3912.0 2.41 -5.08
PK 8397.0 1.18 -5.82
PK 13652.0 1.01 -6.49
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
KLH 911B
Graphic EQ 15 bands
Set preamp gain to: -1.1dB.
Type Freq Q Gain
PK 25.0 2.14 0.75
PK 40.0 2.14 0.75
PK 63.0 2.14 0.75
PK 100.0 2.14 0.75
PK 160.0 2.14 0.0
PK 250.0 2.14 0.25
PK 400.0 2.14 0.5
PK 630.0 2.14 0.0
PK 1000.0 2.14 -0.5
PK 1600.0 2.14 0.5
PK 2500.0 2.14 -0.25
PK 4000.0 2.14 -1.0
PK 6300.0 2.14 -0.5
PK 10000.0 2.14 -1.25
PK 16000.0 2.14 -0.75
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This EQ is designed for a 15 bands graphical EQ.
KLH 911B
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
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 0.5
PK 100.0 4.32 0.5
PK 125.0 4.32 0.5
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 0.25
PK 400.0 4.32 0.25
PK 500.0 4.32 0.0
PK 630.0 4.32 0.0
PK 800.0 4.32 -0.25
PK 1000.0 4.32 -0.25
PK 1250.0 4.32 0.0
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 -0.5
PK 4000.0 4.32 -0.75
PK 5000.0 4.32 -0.25
PK 6300.0 4.32 -0.5
PK 8000.0 4.32 -0.75
PK 10000.0 4.32 -1.0
PK 12000.0 4.32 -1.0
PK 16000.0 4.32 -0.75
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)
KLH 911B: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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