What we know about the measurement:
MartinLogan Motion 4i is a passive bookshelves speaker that cost around 360USD .
- Quality of the measurement data is high .
- Origin of the data is ASR .
- Format of the data is generated by a Klippel NFS .
- Sensitivity: 85.9dB (avg. 100Hz-1kHz for 2.83V measured at 1m)
- -3dB (resp. -6db) point v.s. reference is at 159.7Hz (resp. 108.4Hz).
- Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 6.4dB over the same frequency range.
- Directivity
- Horizontal directivity is (-60.0°, 50.0°) 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 1.7
and would be 5.3 with a
perfect subwoofer.
- Details: NBD: ON 0.55, LW 0.55, SP 0.43, PIR 0.44; SM: SP0.58, PIR0.12; LFQ 0.23, LFX 98Hz
- Tonality (Preference) Score is 5.3
with an EQ and would be 7.9 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.4, LW 0.41, SP 0.34, PIR 0.31; SM: SP0.95, PIR0.92; LFQ 0.28, LFX 55Hz
- Tonality (Preference) Score is 1.7
and would be 5.3 with a
perfect subwoofer.
- Link to Original review.
