What we know about the measurement:

Micca MB42X-G2 is a passive bookshelves that cost around 100 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 .
  • -3dB (resp. -6db) point v.s. reference is at 68.8Hz (resp. 58.6Hz).
  • Reference level is normalised to -0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.8dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.63 and would be 7.25 with a perfect subwoofer.
      • Details: NBD: ON 0.465, LW 0.404, SP 0.403, PIR 0.374; SM: SP0.828, PIR0.795; LFQ 0.272, LFX 58Hz
    • Tonality (Preference) Score is 6.13 with an EQ and would be 8.38 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.34, LW 0.278, SP 0.272, PIR 0.219; SM: SP0.934, PIR0.951; LFQ 0.272, LFX 48Hz
  • Link to Original review.
  • Vendor specifications:
    • Sensitivity 86 dB
    • Impedance 4 Ohm
    • Size
      • Width 147mm
      • Height 240mm
      • Depth 165mm
    • Weight 5.1kg
Micca MB42X-G2
AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
PK 32.0 0.91 1.82
PK 69.0 0.77 2.86
PK 172.0 0.79 -2.62
PK 910.0 2.99 -1.27
PK 1244.0 2.99 -3.13
PK 1586.0 0.83 2.99
PK 5165.0 0.5 -1.96
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
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)
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