What we know about the measurement:

FBT J15A is an active liveportable that cost around 1060 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 63.0Hz (resp. 56.0Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.0dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 1.17 and would be 3.87 with a perfect subwoofer.
      • Details: NBD: ON 0.85, LW 0.859, SP 0.88, PIR 0.846; SM: SP0.547, PIR0.363; LFQ 3.682, LFX 61Hz
    • Tonality (Preference) Score is 3.29 with an EQ and would be 6.0 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.684, LW 0.619, SP 0.659, PIR 0.628; SM: SP0.866, PIR0.819; LFQ 3.682, LFX 61Hz
FBT J15A
AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
NO 148.0 30.0 2.21
PK 391.0 2.99 -1.66
PK 790.0 1.0 2.44
PK 1103.0 3.0 -2.97
PK 1348.0 2.99 2.93
PK 2153.0 2.97 1.8
PK 4645.0 3.0 -1.65
PK 10713.0 2.99 -2.99
PK 14473.0 0.54 -2.97
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
FBT J15A
Graphic EQ 15 bands
Set preamp gain to: -0.6dB.
Type Freq Q Gain
PK 25.0 2.14 0.25
PK 40.0 2.14 0.25
PK 63.0 2.14 0.5
PK 100.0 2.14 0.0
PK 160.0 2.14 0.0
PK 250.0 2.14 0.25
PK 400.0 2.14 0.0
PK 630.0 2.14 0.25
PK 1000.0 2.14 0.25
PK 1600.0 2.14 0.5
PK 2500.0 2.14 0.25
PK 4000.0 2.14 0.25
PK 6300.0 2.14 0.25
PK 10000.0 2.14 -0.25
PK 16000.0 2.14 0.0
Download
This EQ is designed for a 15 bands graphical EQ.
FBT J15A
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 0.25
PK 31.0 4.32 0.25
PK 40.0 4.32 0.25
PK 50.0 4.32 0.25
PK 63.0 4.32 0.5
PK 80.0 4.32 0.25
PK 100.0 4.32 0.0
PK 125.0 4.32 0.25
PK 160.0 4.32 0.0
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 0.0
PK 500.0 4.32 0.25
PK 630.0 4.32 0.25
PK 800.0 4.32 0.25
PK 1000.0 4.32 0.0
PK 1250.0 4.32 0.25
PK 1600.0 4.32 0.5
PK 2000.0 4.32 0.5
PK 2500.0 4.32 0.25
PK 3150.0 4.32 0.25
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 0.0
PK 10000.0 4.32 -0.25
PK 12000.0 4.32 0.0
PK 16000.0 4.32 0.0
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 J15A: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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