What we know about the measurement:

IK Multimedia iLoud MTM MKII is an active bookshelves that cost around 485 USD each.

  • 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 52.7Hz (resp. 49.1Hz).
  • Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.2dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 5.29 and would be 7.51 with a perfect subwoofer.
      • Details: NBD: ON 0.386, LW 0.313, SP 0.349, PIR 0.292; SM: SP0.87, PIR0.72; LFQ 0.366, LFX 47Hz
    • Tonality (Preference) Score is 6.17 with an EQ and would be 8.31 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.352, LW 0.249, SP 0.304, PIR 0.232; SM: SP0.955, PIR0.951; LFQ 0.366, LFX 45Hz
  • Link to original Review: yt review. .
  • Vendor specifications:
    • SPL
      • peak: 110 dB
    • Size
      • Width 130mm
      • Height 264mm
      • Depth 160mm
    • Weight 2.5kg
IK Multimedia iLoud MTM MKII
AutomaticEQ (IIR)
Set preamp gain to: -2.3dB.
Type Freq Q Gain
PK 46.0 2.56 2.96
PK 113.0 2.13 0.9
PK 139.0 0.36 -1.48
PK 643.0 2.95 -1.84
PK 1010.0 0.27 1.76
PK 1083.0 1.82 -1.85
PK 11882.0 0.27 -3.03
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

IK Multimedia iLoud MTM MKII filters_auto_eq

AutomaticEQ

IK Multimedia iLoud MTM MKII 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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