What we know about the measurement:

Optimal Audio Cuboid 10 is a passive bookshelves speaker that cost around 660USD each .

  • Quality of the measurement data is low .
  • Origin of the data is Optimal Audio.
  • Format of the data is a GLL file .
  • Sensitivity: 85.4dB (avg. 100Hz-1kHz for 2.83V measured at 10m)
  • -3dB (resp. -6db) point v.s. reference is at 47.5Hz (resp. 42.5Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.8dB 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°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.36 and would be 5.42 with a perfect subwoofer.
      • Details: NBD: ON 0.614, LW 0.602, SP 0.71, PIR 0.646; SM: SP0.662, PIR0.52; LFQ 0.772, LFX 43Hz
    • Tonality (Preference) Score is 5.58 with an EQ and would be 7.42 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.44, LW 0.41, SP 0.49, PIR 0.428; SM: SP0.919, PIR0.913; LFQ 0.772, LFX 38Hz
  • Vendor specifications:
    • Dispersion: 90° horizontal and 50° vertical.
    • Sensitivity 96 dB
    • Impedance 8 Ohm
    • SPL
      • max: 120 dB
      • peak: 126 dB
    • Size
      • Width 322mm
      • Height 524mm
      • Depth 326 mm)
    • Weight 16.0 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
;