MartinLogan Motion XT B100 is a passive bookshelves that cost around 800 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 .
  • Sensitivity:
    • Company: 93 dB
    • Measured: 86.8 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 71.8Hz (resp. 58.6Hz).
  • Reference level is normalised to 0.6dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.0dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.68 and would be 5.2 with a perfect subwoofer.
      • Details: NBD: ON 0.542, LW 0.513, SP 0.467, PIR 0.442; SM: SP0.656, PIR0.084; LFQ 0.55, LFX 55Hz
    • Tonality (Preference) Score is 5.86 with an EQ and would be 8.11 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.358, LW 0.322, SP 0.356, PIR 0.287; SM: SP0.952, PIR0.941; LFQ 0.55, LFX 48Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
MartinLogan Motion XT B100

Vendor specifications

  • Impedance 4 Ohm
  • Size
    • Width 203mm
    • Height 368mm
    • Depth 318mm
  • Weight 9.3kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -2.9dB.
Type Freq Q Gain
PK 51.0 2.98 2.85
PK 289.0 0.94 1.55
PK 540.0 2.97 2.39
PK 1480.0 2.97 3.0
PK 4342.0 0.33 -3.2
PK 7834.0 1.99 2.99
PK 11476.0 0.6 -4.62
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Quick config:
Quick config:
Quick config:
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