What we know about the measurement:
- Quality of the measurement data is
unknown.
-
Origin of the data is Bowers & Wilkins.
-
Format of the data is
a scanned image
.
-
Sensitivity: 90.4dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
-
-3dB (resp. -6db) point v.s. reference is at 44.0Hz (resp. 31.1Hz).
-
Reference level is normalised to 0.5dB
computed over the frequency range [300.0Hz,
5000.0Hz].
-
Frequency deviation is 3.0dB over the same frequency range.
- Tonality (Preference) Score
- Tonality (Preference) Score is 5.6
and would be 7.2 with a
perfect subwoofer.
- Details:
NBD: ON 0.295,
LW 0.311, SP
0.429, PIR
0.353; SM:
SP0.685,
PIR0.566; LFQ
1.785, LFX 34Hz
- Tonality (Preference) Score is 7.94
with an EQ and would be 8.91 with a
perfect subwoofer and the same EQ.
- Details:
NBD: ON 0.176,
LW 0.198, SP
0.248, PIR
0.174; SM:
SP0.925,
PIR0.945; LFQ 1.669, LFX 24Hz
|
AutomaticEQ (IIR)
|
|
Set preamp gain to: -2.9dB.
|
| Type |
Freq |
Q |
Gain |
| 3 |
27.0 |
0.34 |
3.0 |
| 3 |
83.0 |
1.84 |
-1.75 |
| 3 |
184.0 |
1.21 |
1.28 |
| 3 |
310.0 |
2.76 |
-2.76 |
| 3 |
765.0 |
0.39 |
-1.73 |
| 3 |
2670.0 |
1.11 |
2.99 |
| 3 |
6585.0 |
1.93 |
-1.83 |
|
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: -0.9dB.
|
| Type |
Freq |
Q |
Gain |
| 3 |
25.0 |
2.14 |
0.75 |
| 3 |
40.0 |
2.14 |
0.75 |
| 3 |
63.0 |
2.14 |
0.25 |
| 3 |
100.0 |
2.14 |
0.0 |
| 3 |
160.0 |
2.14 |
0.25 |
| 3 |
250.0 |
2.14 |
-0.25 |
| 3 |
400.0 |
2.14 |
-0.5 |
| 3 |
630.0 |
2.14 |
-0.5 |
| 3 |
1000.0 |
2.14 |
-0.25 |
| 3 |
1600.0 |
2.14 |
-0.25 |
| 3 |
2500.0 |
2.14 |
0.5 |
| 3 |
4000.0 |
2.14 |
0.0 |
| 3 |
6300.0 |
2.14 |
-0.5 |
| 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: -0.7dB.
|
| 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 |
0.5 |
| 3 |
50.0 |
4.32 |
0.5 |
| 3 |
63.0 |
4.32 |
0.0 |
| 3 |
80.0 |
4.32 |
0.0 |
| 3 |
100.0 |
4.32 |
0.0 |
| 3 |
125.0 |
4.32 |
0.25 |
| 3 |
160.0 |
4.32 |
0.25 |
| 3 |
200.0 |
4.32 |
0.25 |
| 3 |
250.0 |
4.32 |
0.0 |
| 3 |
315.0 |
4.32 |
-0.5 |
| 3 |
400.0 |
4.32 |
-0.25 |
| 3 |
500.0 |
4.32 |
-0.25 |
| 3 |
630.0 |
4.32 |
-0.25 |
| 3 |
800.0 |
4.32 |
-0.25 |
| 3 |
1000.0 |
4.32 |
-0.25 |
| 3 |
1250.0 |
4.32 |
-0.25 |
| 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 |
0.0 |
| 3 |
5000.0 |
4.32 |
0.0 |
| 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 |
0.0 |
| 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
|
