What we know about the measurement:

Midiplus MI5 II is an active bookshelves that cost around 169 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is Misc.
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 54.2Hz (resp. 49.1Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 9.4dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.2 and would be 4.48 with a perfect subwoofer.
      • Details: NBD: ON 0.761, LW 0.644, SP 0.675, PIR 0.611; SM: SP0.528, PIR0.226; LFQ 0.417, LFX 49Hz
    • Tonality (Preference) Score is 4.83 with an EQ and would be 6.9 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.587, LW 0.465, SP 0.503, PIR 0.416; SM: SP0.911, PIR0.832; LFQ 0.535, LFX 43Hz
  • Vendor specifications:
    • SPL
      • peak: 103 dB
    • Size
      • Width 171mm
      • Height 239mm
      • Depth 256mm
    • Weight 4.14kg
Midiplus MI5 II
AutomaticEQ (IIR)
Set preamp gain to: -2.2dB.
Type Freq Q Gain
PK 47.0 1.64 2.96
PK 109.0 1.41 -4.28
PK 130.0 1.43 -3.14
PK 522.0 0.68 2.31
PK 910.0 2.99 -4.79
PK 1010.0 3.0 2.94
PK 6585.0 0.5 -6.48
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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