What we know about the measurement:

Alcons Audio QR24 is a passive columns speaker .

  • Quality of the measurement data is high .
  • Origin of the data is Vendors-Alcons Audio .
  • Format of the data is .
  • Sensitivity: 88.0dB (avg. 100Hz-1kHz for 2.83V measured at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 71.0Hz (resp. 67.0Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.5dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-10.0°, 10.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.8 and would be 7.6 with a perfect subwoofer.
      • Details: NBD: ON 0.31, LW 0.28, SP 0.48, PIR 0.37; SM: SP0.78, PIR0.79; LFQ 1.41, LFX 64Hz
    • Tonality (Preference) Score is 5.5 with an EQ and would be 8.3 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.25, LW 0.18, SP 0.37, PIR 0.25; SM: SP0.81, PIR0.85; LFQ 1.41, LFX 64Hz
  • Vendor specifications:
    • Dispersion: 110° horizontal and 3.6° vertical.
    • Sensitivity 108 dB
    • Impedance 8 Ohm
    • SPL
      • peak: 140 dB
    • Size
      • Width 248mm
      • Height 658mm
      • Depth 336 mm)
    • Weight 22 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