What we know about the measurement:

LCM Nearfield Monitor 3-D Printed DIY is a passive bookshelves

  • 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 38.1Hz (resp. 33.7Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 7.1dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.71 and would be 5.37 with a perfect subwoofer.
      • Details: NBD: ON 0.631, LW 0.567, SP 0.35, PIR 0.346; SM: SP0.609, PIR0.128; LFQ 0.474, LFX 35Hz
    • Tonality (Preference) Score is 5.9 with an EQ and would be 7.47 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.571, LW 0.513, SP 0.335, PIR 0.304; SM: SP0.957, PIR0.917; LFQ 0.427, LFX 33Hz
  • Link to Original review.
LCM Nearfield Monitor 3-D Printed DIY
AutomaticEQ (IIR)
Set preamp gain to: -2.2dB.
Type Freq Q Gain
PK 125.0 0.53 -2.19
PK 211.0 1.75 1.64
PK 344.0 0.72 2.79
PK 1642.0 0.91 -1.95
PK 3779.0 1.85 -2.47
PK 6144.0 2.97 -0.99
PK 16239.0 0.86 -3.96
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
LCM Nearfield Monitor 3-D Printed DIY
Graphic EQ 15 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
PK 25.0 2.14 0.0
PK 40.0 2.14 0.0
PK 63.0 2.14 -0.25
PK 100.0 2.14 -0.25
PK 160.0 2.14 0.0
PK 250.0 2.14 0.25
PK 400.0 2.14 0.25
PK 630.0 2.14 0.25
PK 1000.0 2.14 0.0
PK 1600.0 2.14 -0.5
PK 2500.0 2.14 -0.25
PK 4000.0 2.14 -0.75
PK 6300.0 2.14 -0.5
PK 10000.0 2.14 -0.5
PK 16000.0 2.14 -1.0
Download
This EQ is designed for a 15 bands graphical EQ.
LCM Nearfield Monitor 3-D Printed DIY
Graphic EQ 31 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.0
PK 31.0 4.32 0.0
PK 40.0 4.32 0.0
PK 50.0 4.32 -0.25
PK 63.0 4.32 -0.25
PK 80.0 4.32 -0.25
PK 100.0 4.32 -0.25
PK 125.0 4.32 -0.25
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 0.0
PK 1250.0 4.32 -0.25
PK 1600.0 4.32 -0.5
PK 2000.0 4.32 -0.5
PK 2500.0 4.32 -0.25
PK 3150.0 4.32 -0.5
PK 4000.0 4.32 -0.5
PK 5000.0 4.32 -0.25
PK 6300.0 4.32 -0.5
PK 8000.0 4.32 0.0
PK 10000.0 4.32 -0.5
PK 12000.0 4.32 -0.25
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)
LCM Nearfield Monitor 3-D Printed DIY: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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