What we know about the measurement:

Alcons Audio QRP20 120x15 is a passive columns speaker .

  • Quality of the measurement data is high .
  • Origin of the data is Alcons Audio.
  • Format of the data is a GLL file .
  • Sensitivity: 105.8dB (avg. 100Hz-1kHz for 2.83V estimated at 1m) . Sensitivity computed at the measurement distance (10m) over the same frequency range: 85.8dB.
  • -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.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • 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 85Hz
    • 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
  • Link to original Review: psw review. Links to other reviews: axp review .
  • Vendor specifications:
    • Dispersion: 120° horizontal and 15° vertical.
    • Sensitivity 97 dB
    • Impedance 4 Ohm
    • SPL
      • peak: 131 dB
    • Size
      • Width 150mm
      • Height 742mm
      • Depth 150 mm)
    • Weight 12 kg
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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