What we know about the measurement:

Optimal Audio Cuboid 5 is a passive bookshelves speaker that cost around 110USD each .

  • Quality of the measurement data is low .
  • Origin of the data is Optimal Audio.
  • Format of the data is a GLL file .
  • Sensitivity: 71.9dB (avg. 100Hz-1kHz for 2.83V measured at 10m)
  • -3dB (resp. -6db) point v.s. reference is at 122.0Hz (resp. 106.0Hz).
  • Reference level is normalised to -0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.8dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 40.0°) 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 -0.13 and would be 3.54 with a perfect subwoofer.
      • Details: NBD: ON 0.695, LW 0.737, SP 0.909, PIR 0.827; SM: SP0.215, PIR0.028; LFQ 0.497, LFX 102Hz
    • Tonality (Preference) Score is 0.83 with an EQ and would be 4.65 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.565, LW 0.592, SP 0.747, PIR 0.662; SM: SP0.427, PIR0.155; LFQ 0.497, LFX 111Hz
  • Vendor specifications:
    • Dispersion: 150° horizontal and 100° vertical.
    • Sensitivity 88 dB
    • Impedance 8 Ohm
    • Size
      • Width 155mm
      • Height 255mm
      • Depth 150 mm)
    • Weight 2.15 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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