- Quality of the measurement data is high.
- Origin of the data is Alcons Audio.
- Format of the data is a GLL file .
-
Sensitivity:
- Company: 97 dB
- Measured: 95.8 dB (avg. 300Hz-3kHz for 2.83V estimated at 1m).
- Measured: 75.8 dB computed at the measurement distance (10.0m) over the same frequency range.
- -3dB (resp. -6db) point v.s. reference is at 90.0Hz (resp. 85.0Hz).
- Reference level is normalised to -0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 2.3dB over the same frequency range.
- Tonality (Preference) Score
- Tonality (Preference) Score is 3.53
and would be 6.84 with a
perfect subwoofer.
- Details: NBD: ON 0.441, LW 0.449, SP 0.546, PIR 0.49; SM: SP0.837, PIR0.742; LFQ 1.249, LFX 84Hz
- Tonality (Preference) Score is 4.98
with an EQ and would be 8.34 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.258, LW 0.222, SP 0.375, PIR 0.265; SM: SP0.931, PIR0.905; LFQ 1.249, LFX 87Hz
- Tonality (Preference) Score is 3.53
and would be 6.84 with a
perfect subwoofer.
- Link to original Review: psw review. Links to other reviews: axp review .
Alcons Audio QRP20 120x15 is a passive columns
Vendor specifications
- Dispersion: 120° horizontal and 15° vertical.
- Impedance 4 Ohm
- SPL
- peak: 131 dB
- Size
- Width 150mm
- Height 742mm
- Depth 150mm
- Weight 12kg
Directivity (-6dB)
| AutomaticEQ (IIR) | |||
| Set preamp gain to: -2.9dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| PK | 125.0 | 1.27 | -2.99 |
| PK | 404.0 | 0.56 | 2.73 |
| PK | 817.0 | 2.57 | 1.97 |
| PK | 1180.0 | 0.5 | -2.21 |
| PK | 2380.0 | 2.2 | 2.61 |
| PK | 4064.0 | 2.86 | 2.27 |
| PK | 5310.0 | 2.35 | 1.95 |
| PK | 8766.0 | 2.91 | 2.59 |
| PK | 13997.0 | 1.07 | 0.53 |
| Download | |||
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: -0.3dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| PK | 25.0 | 2.14 | 0.25 |
| PK | 40.0 | 2.14 | 0.25 |
| PK | 63.0 | 2.14 | 0.25 |
| PK | 100.0 | 2.14 | -0.25 |
| PK | 160.0 | 2.14 | -0.25 |
| PK | 250.0 | 2.14 | 0.25 |
| PK | 400.0 | 2.14 | 0.25 |
| PK | 630.0 | 2.14 | 0.25 |
| PK | 1000.0 | 2.14 | 0.0 |
| PK | 1600.0 | 2.14 | -0.25 |
| PK | 2500.0 | 2.14 | 0.25 |
| PK | 4000.0 | 2.14 | 0.25 |
| PK | 6300.0 | 2.14 | 0.25 |
| PK | 10000.0 | 2.14 | 0.25 |
| 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: -0.7dB. | |||
| Type | Freq | Q | Gain |
|---|---|---|---|
| PK | 20.0 | 4.32 | 0.0 |
| PK | 25.0 | 4.32 | 0.25 |
| PK | 31.0 | 4.32 | 0.25 |
| PK | 40.0 | 4.32 | 0.25 |
| PK | 50.0 | 4.32 | 0.25 |
| PK | 63.0 | 4.32 | 0.25 |
| PK | 80.0 | 4.32 | 0.25 |
| PK | 100.0 | 4.32 | -0.25 |
| PK | 125.0 | 4.32 | -0.5 |
| PK | 160.0 | 4.32 | -0.25 |
| PK | 200.0 | 4.32 | 0.0 |
| PK | 250.0 | 4.32 | 0.25 |
| PK | 315.0 | 4.32 | 0.25 |
| PK | 400.0 | 4.32 | 0.25 |
| PK | 500.0 | 4.32 | 0.25 |
| PK | 630.0 | 4.32 | 0.0 |
| PK | 800.0 | 4.32 | 0.25 |
| PK | 1000.0 | 4.32 | 0.0 |
| PK | 1250.0 | 4.32 | -0.25 |
| PK | 1600.0 | 4.32 | -0.25 |
| PK | 2000.0 | 4.32 | 0.0 |
| PK | 2500.0 | 4.32 | 0.25 |
| PK | 3150.0 | 4.32 | 0.25 |
| PK | 4000.0 | 4.32 | 0.5 |
| PK | 5000.0 | 4.32 | 0.5 |
| PK | 6300.0 | 4.32 | 0.25 |
| 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 | 0.5 |
| PK | 20000.0 | 4.32 | 0.0 |
| Download | |||