We have multiple measurements for this speaker. Click
here to
see the default one (which is higher quality if we have one
measurement better than the others).
What we know about the measurement:
KEF Reference 4C Meta
is a passive center speaker
that cost around 8000USD
.
Quality of the measurement data is
medium
.
Origin of the data is Vendors-KEF
.
Format of the data is
a scanned image
.
Sensitivity: 88.7dB (avg. 100Hz-1kHz for 2.83V measured at 1m)
-3dB (resp. -6db) point v.s. reference is at 46.5Hz (resp. 32.9Hz).
Reference level is normalised to 0.6dB
computed over the frequency range [300.0Hz,
5000.0Hz].
Frequency deviation is 1.7dB over the same frequency range.
Tonality (Preference) Score
Tonality (Preference) Score is 6.7
and would be 8.1 with a
perfect subwoofer.
Details:
NBD: ON 0.37,
LW 0.26, SP
0.32, PIR
0.29; SM:
SP0.97,
PIR0.95; LFQ
1.08, LFX 31Hz
Tonality (Preference) Score is 7.2
with an EQ and would be 8.5 with a
perfect subwoofer and the same EQ.
Details:
NBD: ON 0.27,
LW 0.21, SP
0.26, PIR
0.22; SM:
SP0.96,
PIR0.94; LFQ 1.08, LFX 29Hz
Note: Data computed by KEF is precise above 300Hz, the on axis is corrected below that. The other curves are interpolated below 300Hz and are not very precise.