What we know about the measurement:
Quality of the measurement data is
medium .
Origin of the data is KEF.
Format of the data is
.
Sensitivity: 87.4 dB (avg. 100Hz-1kHz for 2.83V measured at 1m ).
-3dB (resp. -6db) point v.s. reference is at 34.1Hz (resp. 25.0Hz).
Reference level is normalised to 0.6dB
computed over the frequency range [300.0Hz,
5000.0Hz].
Frequency deviation is 1.1dB over the same frequency range.
Tonality (Preference) Score
Tonality (Preference) Score is 7.48
and would be 8.43 with a
perfect subwoofer.
Details:
NBD: ON 0.277,
LW 0.238, SP
0.299, PIR
0.228; SM:
SP0.932,
PIR0.915; LFQ
0.582, LFX 24Hz
Tonality (Preference) Score is 8.12
with an EQ and would be 8.78 with a
perfect subwoofer and the same EQ.
Details:
NBD: ON 0.213,
LW 0.185, SP
0.268, PIR
0.195; SM:
SP0.955,
PIR0.954; LFQ 0.582, LFX 20Hz
Link to original Review: white_paper review .
.
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..
AutomaticEQ (IIR)
Set preamp gain to: -2.7dB .
Type
Freq
Q
Gain
3
21.0
0.69
2.99
3
80.0
0.8
-3.14
3
289.0
2.79
-1.21
3
579.0
2.77
-0.88
3
1244.0
2.51
-1.28
3
4654.0
2.44
-0.78
3
13652.0
0.74
-1.69
Download
These EQ optimise the Harman score and is a good start for far field listening like in your living room.
AutomaticEQ
Target v.s. EQ
Graphic EQ 15 bands
Set preamp gain to: -0.5dB .
Type
Freq
Q
Gain
3
25.0
2.14
0.5
3
40.0
2.14
0.0
3
63.0
2.14
-0.25
3
100.0
2.14
-0.5
3
160.0
2.14
-0.25
3
250.0
2.14
-0.25
3
400.0
2.14
0.0
3
630.0
2.14
0.0
3
1000.0
2.14
0.0
3
1600.0
2.14
0.25
3
2500.0
2.14
0.25
3
4000.0
2.14
0.25
3
6300.0
2.14
0.25
3
10000.0
2.14
0.25
3
16000.0
2.14
0.25
Download
These EQ is designed for a 15 bands graphical EQ.
Graphic EQ 31 bands
Set preamp gain to: -0.6dB .
Type
Freq
Q
Gain
3
20.0
4.32
0.0
3
25.0
4.32
0.5
3
31.0
4.32
0.5
3
40.0
4.32
0.0
3
50.0
4.32
-0.25
3
63.0
4.32
-0.25
3
80.0
4.32
-0.5
3
100.0
4.32
-0.5
3
125.0
4.32
-0.5
3
160.0
4.32
-0.25
3
200.0
4.32
-0.25
3
250.0
4.32
-0.25
3
315.0
4.32
-0.25
3
400.0
4.32
0.0
3
500.0
4.32
-0.25
3
630.0
4.32
0.0
3
800.0
4.32
0.0
3
1000.0
4.32
0.0
3
1250.0
4.32
0.0
3
1600.0
4.32
0.0
3
2000.0
4.32
0.25
3
2500.0
4.32
0.25
3
3150.0
4.32
0.25
3
4000.0
4.32
0.25
3
5000.0
4.32
0.25
3
6300.0
4.32
0.25
3
8000.0
4.32
0.25
3
10000.0
4.32
0.25
3
12000.0
4.32
0.25
3
16000.0
4.32
0.25
3
20000.0
4.32
0.0
Download
These EQ is designed for a 31 bands graphical EQ.
Comparison betweens various EQs
Improvements made by EQ