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.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-10.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • 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
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Midiplus MI5 II filters_auto_eq

AutomaticEQ

Midiplus MI5 II filters_eq_full

Target v.s. 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
Frequency Frequency with EQ
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