What we know about the measurement:
KEF LS50 is a passive bookshelves speaker that cost around 1500USD 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 .
- Sensitivity: 83.9dB (avg. 100Hz-1kHz for 2.83V measured at 1m)
- -3dB (resp. -6db) point v.s. reference is at 82.8Hz (resp. 49.1Hz).
- Reference level is normalised to 0.6dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 3.9dB over the same frequency range.
- Directivity
- Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Vertical directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Tonality (Preference) Score
- Tonality (Preference) Score is 4.47
and would be 6.69 with a
perfect subwoofer.
- Details: NBD: ON 0.6, LW 0.526, SP 0.428, PIR 0.437; SM: SP0.953, PIR0.783; LFQ 0.546, LFX 47Hz
- Tonality (Preference) Score is 6.11
with an EQ and would be 8.18 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.372, LW 0.312, SP 0.307, PIR 0.259; SM: SP0.967, PIR0.95; LFQ 0.546, LFX 43Hz
- Tonality (Preference) Score is 4.47
and would be 6.69 with a
perfect subwoofer.
- Vertical measurement
- Link to Original review.
