What we know about the measurement:

Optimal Audio Cuboid 12 is a passive bookshelves speaker that cost around 760USD each .

  • Quality of the measurement data is low .
  • Origin of the data is Optimal Audio.
  • Format of the data is a GLL file .
  • Sensitivity: 109.1dB (avg. 100Hz-1kHz for 2.83V estimated at 1m) . Sensitivity computed at the measurement distance (10m) over the same frequency range: 89.1dB.
  • -3dB (resp. -6db) point v.s. reference is at 45.0Hz (resp. 40.0Hz).
  • Reference level is normalised to -0.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 6.6dB 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 2.57 and would be 4.47 with a perfect subwoofer.
      • Details: NBD: ON 0.854, LW 0.78, SP 0.878, PIR 0.818; SM: SP0.716, PIR0.587; LFQ 1.046, LFX 40Hz
    • Tonality (Preference) Score is 4.26 with an EQ and would be 5.88 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.724, LW 0.643, SP 0.706, PIR 0.644; SM: SP0.888, PIR0.833; LFQ 1.046, LFX 34Hz
  • Vendor specifications:
    • Dispersion: 80° horizontal and 50° vertical.
    • Sensitivity 98 dB
    • Impedance 8 Ohm
    • SPL
      • max: 123 dB
      • peak: 129 dB
    • Size
      • Width 360mm
      • Height 575mm
      • Depth 392 mm)
    • Weight 20.0 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
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