What we know about the measurement:

Nexus MTM DIY is a passive center

  • Quality of the measurement data is low.
  • Origin of the data is Misc.
  • Format of the data is a set of 36 horizontal and 36 vertical measurements .
  • Sensitivity: 88.0dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 56.6Hz (resp. 51.1Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.6dB 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 4.95 and would be 7.25 with a perfect subwoofer.
      • Details: NBD: ON 0.309, LW 0.281, SP 0.492, PIR 0.372; SM: SP0.743, PIR0.626; LFQ 0.642, LFX 49Hz
    • Tonality (Preference) Score is 6.4 with an EQ and would be 8.46 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.241, LW 0.19, SP 0.374, PIR 0.257; SM: SP0.925, PIR0.926; LFQ 0.565, LFX 43Hz
  • Link to Original review.
Nexus MTM DIY
AutomaticEQ (IIR)
Set preamp gain to: -4.4dB.
Type Freq Q Gain
3 42.0 2.85 2.99
3 56.0 0.64 1.62
3 260.0 2.94 0.8
3 454.0 1.82 2.18
3 643.0 1.71 -1.25
3 2023.0 2.32 2.97
3 3779.0 0.49 -2.66
Download

These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Nexus MTM DIY filters_auto_eq

AutomaticEQ

Nexus MTM DIY filters_eq_full

Target v.s. EQ

Nexus MTM DIY
Graphic EQ 15 bands
Set preamp gain to: -1.0dB.
Type Freq Q Gain
3 25.0 2.14 0.75
3 40.0 2.14 0.75
3 63.0 2.14 0.5
3 100.0 2.14 0.25
3 160.0 2.14 0.0
3 250.0 2.14 0.25
3 400.0 2.14 0.25
3 630.0 2.14 0.0
3 1000.0 2.14 0.25
3 1600.0 2.14 0.25
3 2500.0 2.14 0.0
3 4000.0 2.14 -0.5
3 6300.0 2.14 -0.25
3 10000.0 2.14 0.0
3 16000.0 2.14 0.0
Download

These EQ is designed for a 15 bands graphical EQ.

Nexus MTM DIY
Graphic EQ 31 bands
Set preamp gain to: -1.1dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.75
3 31.0 4.32 0.75
3 40.0 4.32 0.75
3 50.0 4.32 0.75
3 63.0 4.32 0.5
3 80.0 4.32 0.25
3 100.0 4.32 0.25
3 125.0 4.32 0.0
3 160.0 4.32 0.0
3 200.0 4.32 0.0
3 250.0 4.32 0.25
3 315.0 4.32 0.25
3 400.0 4.32 0.25
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 0.25
3 1600.0 4.32 0.25
3 2000.0 4.32 0.5
3 2500.0 4.32 0.25
3 3150.0 4.32 -0.25
3 4000.0 4.32 -0.5
3 5000.0 4.32 -0.25
3 6300.0 4.32 0.0
3 8000.0 4.32 0.0
3 10000.0 4.32 0.25
3 12000.0 4.32 0.25
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.

Nexus MTM DIY: comparison between EQs
Nexus MTM DIY

Comparison betweens various EQs

Nexus MTM DIY

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
Frequency Frequency with EQ
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