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).

What we know about the measurement:

Alcons Audio QRP20 90x15 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 .
  • Link to original Review: psw review. Links to other reviews: axp review .
  • Vendor specifications:
    • Dispersion: 90° horizontal and 15° vertical.
    • Sensitivity 99 dB
    • Impedance 4 Ohm
    • SPL
      • peak: 133 dB
    • Size
      • Width 150mm
      • Height 742mm
      • Depth 150mm
    • Weight 12kg
Alcons Audio QRP20 90x15
AutomaticEQ (IIR)
Set preamp gain to: -2.9dB.
Type Freq Q Gain
LS 90.0 0.67 2.82
PK 109.0 2.92 -2.97
PK 153.0 1.78 -2.94
PK 214.0 1.89 1.46
PK 320.0 1.61 1.74
PK 462.0 2.8 -1.42
PK 529.0 2.11 2.56
PK 2909.0 2.7 -1.64
PK 11454.0 0.3 2.95
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Alcons Audio QRP20 90x15
Graphic EQ 15 bands
Set preamp gain to: -0.6dB.
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 0.0
PK 1000.0 2.14 0.0
PK 1600.0 2.14 0.0
PK 2500.0 2.14 -0.25
PK 4000.0 2.14 0.0
PK 6300.0 2.14 0.25
PK 10000.0 2.14 0.5
PK 16000.0 2.14 0.5
Download
This EQ is designed for a 15 bands graphical EQ.
Alcons Audio QRP20 90x15
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 0.5
PK 630.0 4.32 0.25
PK 800.0 4.32 0.25
PK 1000.0 4.32 0.25
PK 1250.0 4.32 0.0
PK 1600.0 4.32 0.0
PK 2000.0 4.32 0.0
PK 2500.0 4.32 0.0
PK 3150.0 4.32 0.0
PK 4000.0 4.32 0.25
PK 5000.0 4.32 0.25
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 0.5
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.
Improvement made by adding the above EQ
EQ
AutoEQ
Target v.s. EQ
Target v.s. EQ
Histogram of errors
On Axis (fullrange)
Listening Window (fullrange)
Predicted In-Room Response (fullrange)
Alcons Audio QRP20 90x15: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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