What we know about the measurement:

Micca MB42X-C is a passive center that cost around 100 USD

  • Quality of the measurement data is high.
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 85.3dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 101.1Hz (resp. 85.0Hz).
  • Reference level is normalised to 0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.8dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-70.0°, 70.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.21 and would be 5.38 with a perfect subwoofer.
      • Details: NBD: ON 0.64, LW 0.483, SP 0.479, PIR 0.398; SM: SP0.577, PIR0.21; LFQ 0.484, LFX 79Hz
    • Tonality (Preference) Score is 5.18 with an EQ and would be 7.64 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.53, LW 0.372, SP 0.397, PIR 0.3; SM: SP0.934, PIR0.941; LFQ 0.405, LFX 54Hz
  • Vertical measurement
  • Link to Original review.
Micca MB42X-C
AutomaticEQ (IIR)
Set preamp gain to: -5.9dB.
Type Freq Q Gain
5 101.0 0.52 2.98
3 125.0 1.68 -2.88
3 245.0 1.64 0.9
3 447.0 1.23 1.18
3 1304.0 1.13 -2.43
3 2545.0 0.33 -2.35
5 2631.0 1.14 2.99
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Micca MB42X-C filters_auto_eq

AutomaticEQ

Micca MB42X-C filters_eq_full

Target v.s. EQ

Micca MB42X-C
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
3 25.0 2.14 0.25
3 40.0 2.14 0.25
3 63.0 2.14 0.25
3 100.0 2.14 0.25
3 160.0 2.14 0.25
3 250.0 2.14 0.5
3 400.0 2.14 0.5
3 630.0 2.14 0.25
3 1000.0 2.14 -0.25
3 1600.0 2.14 -0.5
3 2500.0 2.14 -0.25
3 4000.0 2.14 -0.5
3 6300.0 2.14 -0.5
3 10000.0 2.14 -0.25
3 16000.0 2.14 -0.25
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These EQ is designed for a 15 bands graphical EQ.

Micca MB42X-C
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
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 0.25
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 0.5
3 250.0 4.32 0.5
3 315.0 4.32 0.5
3 400.0 4.32 0.5
3 500.0 4.32 0.25
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 -0.5
3 1600.0 4.32 -0.5
3 2000.0 4.32 -0.5
3 2500.0 4.32 -0.5
3 3150.0 4.32 -0.5
3 4000.0 4.32 -0.25
3 5000.0 4.32 -0.25
3 6300.0 4.32 -0.25
3 8000.0 4.32 0.0
3 10000.0 4.32 0.0
3 12000.0 4.32 0.0
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.

Micca MB42X-C: comparison between EQs
Micca MB42X-C

Comparison betweens various EQs

Micca MB42X-C

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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