What we know about the measurement:

FBT J12A is an active liveportable speaker that cost around 900USD for a pair .

  • Quality of the measurement data is medium .
  • Origin of the data is FBT.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 54.5Hz (resp. 53.0Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 5.0dB 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°, 10.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.95 and would be 5.43 with a perfect subwoofer.
      • Details: NBD: ON 0.685, LW 0.68, SP 0.721, PIR 0.677; SM: SP0.765, PIR0.638; LFQ 3.463, LFX 54Hz
    • Tonality (Preference) Score is 3.95 with an EQ and would be 6.48 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.57, LW 0.522, SP 0.584, PIR 0.533; SM: SP0.876, PIR0.783; LFQ 3.463, LFX 56Hz
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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