What we know about the measurement:

JBL 4312MII is a passive bookshelves speaker that cost around 1000USD for a pair .

  • Quality of the measurement data is high .
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 90.9dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 117.2Hz (resp. 90.8Hz).
  • Reference level is normalised to -0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 9.3dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-20.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-40.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 0.68 and would be 3.99 with a perfect subwoofer.
      • Details: NBD: ON 1.085, LW 0.943, SP 0.945, PIR 0.864; SM: SP0.804, PIR0.688; LFQ 0.777, LFX 84Hz
    • Tonality (Preference) Score is 4.01 with an EQ and would be 6.76 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.646, LW 0.49, SP 0.53, PIR 0.443; SM: SP0.916, PIR0.868; LFQ 0.664, LFX 62Hz
  • Link to Original review.
  • Vendor specifications:
    • Sensitivity 92 dB
    • Impedance 6 Ohm
    • Size
      • Width 180mm
      • Height 300mm
      • Depth 180 mm)
    • Weight 4.0 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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