- Quality of the measurement data is high.
- Origin of the data is ASR.
- Format of the data is generated by a Klippel NFS .
-
Sensitivity:
- Company: 91 dB
- Measured: 87.6 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
- -3dB (resp. -6db) point v.s. reference is at 124.5Hz (resp. 105.5Hz).
- Reference level is normalised to -0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 7.6dB over the same frequency range.
- Tonality (Preference) Score
- Tonality (Preference) Score is -0.1
and would be 3.47 with a
perfect subwoofer.
- Details: NBD: ON 0.943, LW 0.788, SP 0.658, PIR 0.682; SM: SP0.083, PIR0.078; LFQ 0.85, LFX 98Hz
- Tonality (Preference) Score is 2.9
with an EQ and would be 6.04 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.533, LW 0.368, SP 0.345, PIR 0.298; SM: SP0.273, PIR0.25; LFQ 0.692, LFX 77Hz
- Tonality (Preference) Score is -0.1
and would be 3.47 with a
perfect subwoofer.
- Link to Original review.
JBL AC25 is a passive bookshelves that cost around 1000 USD each.
Vendor specifications
- Dispersion: 90° horizontal and 90° vertical.
- Impedance 16 Ohm
- SPL
- peak: 115 dB
- Size
- Width 150mm
- Height 377mm
- Depth 178mm
- Weight 7.5kg
Directivity (-6dB)
| AutomaticEQ (IIR) | |||
| Set preamp gain to: -4.7dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| PK | 88.0 | 1.45 | 3.0 |
| PK | 184.0 | 1.56 | -5.79 |
| PK | 190.0 | 0.25 | 3.0 |
| PK | 504.0 | 1.85 | -2.09 |
| PK | 1046.0 | 2.21 | -4.66 |
| PK | 1381.0 | 2.98 | 3.0 |
| PK | 12736.0 | 2.77 | -8.84 |
| Download | |||
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
| maiky76@ASR LW (IIR) | |||
| Set preamp gain to: -3.7dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| PK | 193.58 | 2.26 | -4.48 |
| PK | 533.25 | 2.6 | -1.85 |
| PK | 1056.86 | 2.18 | -5.04 |
| PK | 1348.37 | 2.81 | 2.39 |
| PK | 2228.78 | 2.15 | -1.46 |
| PK | 5231.49 | 1.44 | 3.52 |
| PK | 9996.88 | 3.3 | 4.21 |
| PK | 13200.97 | 2.52 | -5.91 |
| Download | |||
This EQ is designed by ASR member maiky76. This EQ optimise for a flat listening window and is a good start for near field listening like on your desk.
| maiky76@ASR (IIR) | |||
| Set preamp gain to: -0.7dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| PK | 189.98 | 1.97 | -4.55 |
| PK | 514.79 | 1.7 | -2.07 |
| PK | 1069.58 | 1.64 | -5.04 |
| PK | 1366.53 | 4.7 | 3.41 |
| PK | 2416.09 | 3.15 | -2.32 |
| PK | 3966.22 | 4.05 | -2.0 |
| PK | 4279.24 | 4.51 | 2.02 |
| PK | 10241.22 | 4.62 | 3.16 |
| PK | 13200.97 | 1.92 | -8.02 |
| Download | |||
This EQ is designed by ASR member maiky76. This EQ optimise the Harman score and is a good start for far field listening like in your living room.
| Graphic EQ 15 bands | |||
| Set preamp gain to: -1.3dB. | |||
| 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 | -0.25 |
| PK | 250.0 | 2.14 | 0.0 |
| PK | 400.0 | 2.14 | 0.25 |
| PK | 630.0 | 2.14 | 0.25 |
| PK | 1000.0 | 2.14 | -0.25 |
| PK | 1600.0 | 2.14 | 0.75 |
| PK | 2500.0 | 2.14 | 0.5 |
| PK | 4000.0 | 2.14 | 0.75 |
| PK | 6300.0 | 2.14 | 1.0 |
| PK | 10000.0 | 2.14 | 0.75 |
| PK | 16000.0 | 2.14 | -0.25 |
| Download | |||
This EQ is designed for a 15 bands graphical EQ.
| Graphic EQ 31 bands | |||
| Set preamp gain to: -1.0dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| PK | 20.0 | 4.32 | 0.0 |
| PK | 25.0 | 4.32 | 0.5 |
| PK | 31.0 | 4.32 | 0.5 |
| PK | 40.0 | 4.32 | 0.5 |
| PK | 50.0 | 4.32 | 0.5 |
| PK | 63.0 | 4.32 | 0.5 |
| PK | 80.0 | 4.32 | 0.5 |
| PK | 100.0 | 4.32 | 0.5 |
| PK | 125.0 | 4.32 | 0.5 |
| PK | 160.0 | 4.32 | -0.25 |
| PK | 200.0 | 4.32 | -0.25 |
| PK | 250.0 | 4.32 | 0.0 |
| PK | 315.0 | 4.32 | 0.25 |
| PK | 400.0 | 4.32 | 0.25 |
| 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 | 0.5 |
| PK | 2000.0 | 4.32 | 0.25 |
| PK | 2500.0 | 4.32 | 0.25 |
| PK | 3150.0 | 4.32 | 0.5 |
| PK | 4000.0 | 4.32 | 0.5 |
| PK | 5000.0 | 4.32 | 0.75 |
| PK | 6300.0 | 4.32 | 0.5 |
| PK | 8000.0 | 4.32 | 0.5 |
| PK | 10000.0 | 4.32 | 0.5 |
| PK | 12000.0 | 4.32 | -0.25 |
| PK | 16000.0 | 4.32 | -0.25 |
| PK | 20000.0 | 4.32 | 0.0 |
| Download | |||
This EQ is designed for a 31 bands graphical EQ.