Notice

Warning

We have multiple measurements for this speaker. Click here to see the default one (which is higher quality if we have one measurement better than the others).

Alcons Audio QRP20 120x15 is a passive columns

  • Quality of the measurement data is high.
  • Origin of the data is Alcons Audio.
  • Format of the data is a set of 36 horizontal and 36 vertical measurements .
  • Sensitivity:
    • Company: 97 dB
  • -3dB (resp. -6db) point v.s. reference is at 87.5Hz (resp. 85.0Hz).
  • Reference level is normalised to -0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.9dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.58 and would be 6.84 with a perfect subwoofer.
      • Details: NBD: ON 0.499, LW 0.483, SP 0.594, PIR 0.536; SM: SP0.922, PIR0.862; LFQ 0.823, LFX 82Hz
    • Tonality (Preference) Score is 4.34 with an EQ and would be 7.65 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.37, LW 0.317, SP 0.469, PIR 0.368; SM: SP0.94, PIR0.86; LFQ 0.823, LFX 84Hz
  • Link to original Review: psw review. Links to other reviews: axp review .
Alcons Audio QRP20 120x15

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
This EQ is designed for a 31 bands graphical EQ.
Quick config:
Quick config:
Quick config:
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