What we know about the measurement:

FBT Promaxx 112A is an active liveportable that cost around 1150 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 87.5Hz (resp. 71.0Hz).
  • Reference level is normalised to -0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.4dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.55 and would be 7.47 with a perfect subwoofer.
      • Details: NBD: ON 0.323, LW 0.364, SP 0.447, PIR 0.399; SM: SP0.881, PIR0.77; LFQ 1.889, LFX 68Hz
    • Tonality (Preference) Score is 5.85 with an EQ and would be 8.44 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.218, LW 0.218, SP 0.331, PIR 0.255; SM: SP0.948, PIR0.892; LFQ 1.513, LFX 58Hz
FBT Promaxx 112A
AutomaticEQ (IIR)
Set preamp gain to: -5.2dB.
Type Freq Q Gain
LS 87.0 0.85 2.91
PK 366.0 0.25 -2.73
PK 547.0 1.05 1.14
PK 1067.0 2.89 -1.07
PK 1304.0 1.59 0.77
PK 2631.0 2.99 1.19
PK 4492.0 2.43 1.22
PK 5677.0 2.77 -2.28
LS 11454.0 1.15 2.43
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This EQ optimise the Harman score and is a good start for far field listening like in your living room.
FBT Promaxx 112A
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 0.5
PK 100.0 2.14 0.25
PK 160.0 2.14 0.25
PK 250.0 2.14 0.25
PK 400.0 2.14 0.25
PK 630.0 2.14 0.25
PK 1000.0 2.14 0.0
PK 1600.0 2.14 0.25
PK 2500.0 2.14 0.5
PK 4000.0 2.14 0.5
PK 6300.0 2.14 0.0
PK 10000.0 2.14 0.0
PK 16000.0 2.14 -0.25
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This EQ is designed for a 15 bands graphical EQ.
FBT Promaxx 112A
Graphic EQ 31 bands
Set preamp gain to: -1.0dB.
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 0.25
PK 125.0 4.32 0.25
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 0.25
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 0.5
PK 1600.0 4.32 0.25
PK 2000.0 4.32 0.25
PK 2500.0 4.32 0.75
PK 3150.0 4.32 0.5
PK 4000.0 4.32 0.5
PK 5000.0 4.32 0.5
PK 6300.0 4.32 0.25
PK 8000.0 4.32 0.5
PK 10000.0 4.32 0.25
PK 12000.0 4.32 0.25
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 Promaxx 112A: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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