What we know about the measurement:

JBL AC25 is a passive bookshelves speaker that cost around 1000USD each .

  • Quality of the measurement data is high .
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 87.4dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 124.5Hz (resp. 105.5Hz).
  • Reference level is normalised to -0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 7.6dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 0.91 and would be 4.49 with a perfect subwoofer.
      • Details: NBD: ON 0.943, LW 0.788, SP 0.658, PIR 0.682; SM: SP0.744, PIR0.519; LFQ 0.85, LFX 98Hz
    • Tonality (Preference) Score is 4.38 with an EQ and would be 7.52 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.533, LW 0.368, SP 0.345, PIR 0.298; SM: SP0.948, PIR0.888; LFQ 0.692, LFX 77Hz
  • Link to Original review.
  • Vendor specifications:
    • Dispersion: 90° horizontal and 90° vertical.
    • Sensitivity 91 dB
    • Impedance 16 Ohm
    • SPL
      • peak: 115 dB
    • Size
      • Width 150mm
      • Height 377mm
      • Depth 178 mm)
    • Weight 7.5 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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