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
.
-
Sensitivity:
-
Sensitivity: 97.5dB (avg. 100Hz-1kHz for 2.83V estimated at 1m).
-
Sensitivity: 77.5dB computed at the measurement distance (10.0m) over the same frequency range.
-
-3dB (resp. -6db) point v.s. reference is at 122.0Hz (resp. 109.0Hz).
-
Reference level is normalised to 0.1dB
computed over the frequency range [300.0Hz,
5000.0Hz].
-
Frequency deviation is 4.1dB over the same frequency range.
- Directivity
-
Horizontal directivity
is (-40.0°, 40.0°)
between 1kHz and 10kHz. Angle computed for +/-6dB.
-
Vertical directivity
is (-50.0°, 10.0°)
between 1kHz and 10kHz. Angle computed for +/-6dB.
- Tonality (Preference) Score
- Tonality (Preference) Score is 2.61
and would be 6.39 with a
perfect subwoofer.
- Details:
NBD: ON 0.508,
LW 0.421, SP
0.397, PIR
0.364; SM:
SP0.75,
PIR0.458; LFQ
1.92, LFX 109Hz
- Tonality (Preference) Score is 5.07
with an EQ and would be 8.2 with a
perfect subwoofer and the same EQ.
- Details:
NBD: ON 0.312,
LW 0.228, SP
0.285, PIR
0.227; SM:
SP0.949,
PIR0.854; LFQ 1.622, LFX 77Hz
-
Note: Data provided by JBL in GLL format is highly variable, beware. It ranges from excellent to surprising.
|
AutomaticEQ (IIR)
|
|
Set preamp gain to: -5.1dB.
|
| Type |
Freq |
Q |
Gain |
| LS |
122.0 |
1.08 |
2.98 |
| PK |
122.0 |
0.27 |
2.95 |
| PK |
134.0 |
2.91 |
-2.05 |
| PK |
214.0 |
2.13 |
-1.85 |
| PK |
378.0 |
0.89 |
-2.3 |
| PK |
714.0 |
2.96 |
-0.97 |
| PK |
1704.0 |
2.82 |
2.14 |
| PK |
1704.0 |
1.65 |
2.62 |
| PK |
3110.0 |
1.05 |
-0.35 |
|
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: -1.1dB.
|
| Type |
Freq |
Q |
Gain |
| PK |
25.0 |
2.14 |
0.75 |
| PK |
40.0 |
2.14 |
0.75 |
| PK |
63.0 |
2.14 |
0.75 |
| PK |
100.0 |
2.14 |
0.75 |
| PK |
160.0 |
2.14 |
0.5 |
| PK |
250.0 |
2.14 |
0.0 |
| PK |
400.0 |
2.14 |
0.0 |
| PK |
630.0 |
2.14 |
0.0 |
| PK |
1000.0 |
2.14 |
0.25 |
| PK |
1600.0 |
2.14 |
0.75 |
| PK |
2500.0 |
2.14 |
0.25 |
| PK |
4000.0 |
2.14 |
0.0 |
| PK |
6300.0 |
2.14 |
0.0 |
| PK |
10000.0 |
2.14 |
0.0 |
| PK |
16000.0 |
2.14 |
0.0 |
|
Download
|
These EQ is designed for a 15 bands graphical EQ.
|
Graphic EQ 31 bands
|
|
Set preamp gain to: -1.2dB.
|
| Type |
Freq |
Q |
Gain |
| PK |
20.0 |
4.32 |
0.0 |
| PK |
25.0 |
4.32 |
0.75 |
| PK |
31.0 |
4.32 |
0.75 |
| PK |
40.0 |
4.32 |
0.75 |
| PK |
50.0 |
4.32 |
0.75 |
| PK |
63.0 |
4.32 |
0.75 |
| PK |
80.0 |
4.32 |
0.75 |
| PK |
100.0 |
4.32 |
0.75 |
| PK |
125.0 |
4.32 |
0.5 |
| PK |
160.0 |
4.32 |
0.5 |
| PK |
200.0 |
4.32 |
0.0 |
| PK |
250.0 |
4.32 |
0.0 |
| PK |
315.0 |
4.32 |
0.0 |
| PK |
400.0 |
4.32 |
0.0 |
| PK |
500.0 |
4.32 |
0.0 |
| PK |
630.0 |
4.32 |
0.0 |
| PK |
800.0 |
4.32 |
0.0 |
| PK |
1000.0 |
4.32 |
0.25 |
| PK |
1250.0 |
4.32 |
0.25 |
| PK |
1600.0 |
4.32 |
0.75 |
| PK |
2000.0 |
4.32 |
0.5 |
| PK |
2500.0 |
4.32 |
0.25 |
| PK |
3150.0 |
4.32 |
0.0 |
| PK |
4000.0 |
4.32 |
0.0 |
| PK |
5000.0 |
4.32 |
0.0 |
| PK |
6300.0 |
4.32 |
0.0 |
| PK |
8000.0 |
4.32 |
0.0 |
| PK |
10000.0 |
4.32 |
0.0 |
| PK |
12000.0 |
4.32 |
0.0 |
| PK |
16000.0 |
4.32 |
0.0 |
| PK |
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
|
