What we know about the measurement:

FBT J12A is an active liveportable that cost around 900 USD 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.
  • 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 3.94 with an EQ and would be 6.47 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.575, LW 0.555, SP 0.647, PIR 0.589; SM: SP0.893, PIR0.855; LFQ 3.463, LFX 56Hz
FBT J12A
AutomaticEQ (IIR)
Set preamp gain to: -1.0dB.
Type Freq Q Gain
PK 77.0 2.7 -5.92
PK 109.0 1.77 1.44
PK 395.0 3.0 -2.67
PK 560.0 1.0 1.5
PK 1046.0 3.0 -1.88
PK 6818.0 1.32 -1.34
PK 11085.0 1.54 -3.62
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
FBT J12A
Graphic EQ 15 bands
Set preamp gain to: -0.9dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 -0.25
PK 100.0 2.14 0.0
PK 160.0 2.14 0.25
PK 250.0 2.14 0.25
PK 400.0 2.14 0.0
PK 630.0 2.14 0.5
PK 1000.0 2.14 0.0
PK 1600.0 2.14 0.25
PK 2500.0 2.14 0.75
PK 4000.0 2.14 0.5
PK 6300.0 2.14 0.25
PK 10000.0 2.14 0.0
PK 16000.0 2.14 0.5
Download
This EQ is designed for a 15 bands graphical EQ.
FBT J12A
Graphic EQ 31 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.5
PK 31.0 4.32 0.5
PK 40.0 4.32 0.5
PK 50.0 4.32 0.5
PK 63.0 4.32 -0.5
PK 80.0 4.32 -0.5
PK 100.0 4.32 0.0
PK 125.0 4.32 0.0
PK 160.0 4.32 0.25
PK 200.0 4.32 0.0
PK 250.0 4.32 0.25
PK 315.0 4.32 0.0
PK 400.0 4.32 -0.25
PK 500.0 4.32 0.0
PK 630.0 4.32 0.25
PK 800.0 4.32 0.0
PK 1000.0 4.32 -0.25
PK 1250.0 4.32 0.25
PK 1600.0 4.32 0.0
PK 2000.0 4.32 0.25
PK 2500.0 4.32 0.5
PK 3150.0 4.32 0.0
PK 4000.0 4.32 0.25
PK 5000.0 4.32 0.0
PK 6300.0 4.32 0.25
PK 8000.0 4.32 0.25
PK 10000.0 4.32 0.0
PK 12000.0 4.32 -0.25
PK 16000.0 4.32 0.25
PK 20000.0 4.32 0.0
Download
This EQ is designed for a 31 bands graphical EQ.
Improvement made by adding the above EQ
EQ
AutoEQ
Target v.s. EQ
Target v.s. EQ
Histogram of errors
On Axis (fullrange)
Listening Window (fullrange)
Predicted In-Room Response (fullrange)
FBT J12A: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
;