What we know about the measurement:
KEF LSX is a active bookshelves speaker that cost around 1250USD for a pair .
- Quality of the measurement data is high .
- Origin of the data is ASR .
- Format of the data is generated by a Klippel NFS .
- -3dB (resp. -6db) point v.s. reference is at 64.5Hz (resp. 54.2Hz).
- Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 3.9dB over the same frequency range.
- Directivity
- Horizontal directivity is (-60.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Vertical directivity is (-50.0°, 60.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Tonality (Preference) Score
- Tonality (Preference) Score is 4.6
and would be 6.9 with a
perfect subwoofer.
- Details: NBD: ON 0.6, LW 0.53, SP 0.49, PIR 0.47; SM: SP0.94, PIR0.89; LFQ 0.43, LFX 48Hz
- Tonality (Preference) Score is 5.4
with an EQ and would be 7.6 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.47, LW 0.41, SP 0.41, PIR 0.35; SM: SP0.96, PIR0.91; LFQ 0.44, LFX 46Hz
- Tonality (Preference) Score is 4.6
and would be 6.9 with a
perfect subwoofer.
- Vertical measurement
- Link to Original review.
