What we know about the measurement:
- Quality of the measurement data is
low.
-
Origin of the data is JBL.
-
Format of the data is
a GLL file
.
-
-3dB (resp. -6db) point v.s. reference is at 22.4Hz (resp. 22.4Hz).
-
Reference level is normalised to 5.8dB
computed over the frequency range [300.0Hz,
5000.0Hz].
-
Frequency deviation is 80.2dB over the same frequency range.
- Directivity
-
Horizontal directivity
is (-10.0°, 10.0°)
between 1kHz and 10kHz. Angle computed for +/-6dB.
-
Vertical directivity
is (-10.0°, 10.0°)
between 1kHz and 10kHz. Angle computed for +/-6dB.
- Tonality (Preference) Score
- Tonality (Preference) Score is -18.45
and would be -12.73 with a
perfect subwoofer.
- Details:
NBD: ON 4.424,
LW 4.224, SP
3.762, PIR
3.864; SM:
SP0.925,
PIR0.928; LFQ
10.0, LFX 307Hz
- Tonality (Preference) Score is -10.29
with an EQ and would be -9.43 with a
perfect subwoofer and the same EQ.
- Details:
NBD: ON 3.804,
LW 3.585, SP
3.125, PIR
3.234; SM:
SP0.866,
PIR0.874; LFQ 28.602, LFX 22Hz
-
Note: Data provided by JBL in GLL format is highly variable, beware. It ranges from excellent to surprising.
|
AutomaticEQ (IIR)
|
|
Set preamp gain to: -19.0dB.
|
| Type |
Freq |
Q |
Gain |
| 2 |
78.0 |
0.28 |
-1.5 |
| 3 |
117.0 |
0.28 |
2.96 |
| 3 |
121.0 |
0.3 |
2.7 |
| 3 |
121.0 |
0.38 |
2.95 |
| 3 |
153.0 |
0.37 |
2.91 |
| 3 |
164.0 |
0.3 |
2.78 |
| 3 |
221.0 |
0.32 |
2.64 |
| 3 |
1220.0 |
1.61 |
-1.59 |
| 5 |
7417.0 |
0.96 |
2.89 |
|
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: -9.1dB.
|
| Type |
Freq |
Q |
Gain |
| 3 |
25.0 |
2.14 |
6.0 |
| 3 |
40.0 |
2.14 |
6.0 |
| 3 |
63.0 |
2.14 |
6.0 |
| 3 |
100.0 |
2.14 |
6.0 |
| 3 |
160.0 |
2.14 |
6.0 |
| 3 |
250.0 |
2.14 |
6.0 |
| 3 |
400.0 |
2.14 |
6.0 |
| 3 |
630.0 |
2.14 |
0.5 |
| 3 |
1000.0 |
2.14 |
-6.0 |
| 3 |
1600.0 |
2.14 |
-6.0 |
| 3 |
2500.0 |
2.14 |
-6.0 |
| 3 |
4000.0 |
2.14 |
-6.0 |
| 3 |
6300.0 |
2.14 |
-6.0 |
| 3 |
10000.0 |
2.14 |
-6.0 |
| 3 |
16000.0 |
2.14 |
-6.0 |
|
Download
|
These EQ is designed for a 15 bands graphical EQ.
|
Graphic EQ 31 bands
|
|
Set preamp gain to: -9.9dB.
|
| Type |
Freq |
Q |
Gain |
| 3 |
20.0 |
4.32 |
0.0 |
| 3 |
25.0 |
4.32 |
6.0 |
| 3 |
31.0 |
4.32 |
6.0 |
| 3 |
40.0 |
4.32 |
6.0 |
| 3 |
50.0 |
4.32 |
6.0 |
| 3 |
63.0 |
4.32 |
6.0 |
| 3 |
80.0 |
4.32 |
6.0 |
| 3 |
100.0 |
4.32 |
6.0 |
| 3 |
125.0 |
4.32 |
6.0 |
| 3 |
160.0 |
4.32 |
6.0 |
| 3 |
200.0 |
4.32 |
6.0 |
| 3 |
250.0 |
4.32 |
6.0 |
| 3 |
315.0 |
4.32 |
6.0 |
| 3 |
400.0 |
4.32 |
6.0 |
| 3 |
500.0 |
4.32 |
1.0 |
| 3 |
630.0 |
4.32 |
0.0 |
| 3 |
800.0 |
4.32 |
-0.75 |
| 3 |
1000.0 |
4.32 |
-1.75 |
| 3 |
1250.0 |
4.32 |
-2.75 |
| 3 |
1600.0 |
4.32 |
-2.75 |
| 3 |
2000.0 |
4.32 |
-2.75 |
| 3 |
2500.0 |
4.32 |
-3.5 |
| 3 |
3150.0 |
4.32 |
-3.5 |
| 3 |
4000.0 |
4.32 |
-4.0 |
| 3 |
5000.0 |
4.32 |
-4.0 |
| 3 |
6300.0 |
4.32 |
-6.0 |
| 3 |
8000.0 |
4.32 |
-6.0 |
| 3 |
10000.0 |
4.32 |
-6.0 |
| 3 |
12000.0 |
4.32 |
-6.0 |
| 3 |
16000.0 |
4.32 |
-6.0 |
| 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
|
