What we know about the measurement:

FBT Mitus 152A is an active liveportable that cost around 3900 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 50.0Hz (resp. 47.5Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 5.1dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-30.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-10.0°, 10.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 1.09 and would be 3.36 with a perfect subwoofer.
      • Details: NBD: ON 0.877, LW 0.873, SP 0.982, PIR 0.908; SM: SP0.467, PIR0.251; LFQ 3.503, LFX 48Hz
    • Tonality (Preference) Score is 3.13 with an EQ and would be 5.3 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.778, LW 0.769, SP 0.879, PIR 0.805; SM: SP0.894, PIR0.846; LFQ 3.343, LFX 46Hz
FBT Mitus 152A
AutomaticEQ (IIR)
Set preamp gain to: -2.6dB.
Type Freq Q Gain
3 44.0 3.0 3.0
3 69.0 2.57 -3.01
3 144.0 2.98 -1.12
3 424.0 3.0 -2.21
3 2168.0 3.0 3.0
3 10707.0 0.61 -5.37
3 14633.0 2.99 -8.95
Download

These EQ optimise the Harman score and is a good start for far field listening like in your living room.

FBT Mitus 152A filters_auto_eq

AutomaticEQ

FBT Mitus 152A filters_eq_full

Target v.s. EQ

FBT Mitus 152A
Graphic EQ 15 bands
Set preamp gain to: -1.0dB.
Type Freq Q Gain
3 25.0 2.14 0.75
3 40.0 2.14 0.75
3 63.0 2.14 -0.5
3 100.0 2.14 -0.25
3 160.0 2.14 -0.25
3 250.0 2.14 -0.25
3 400.0 2.14 -0.25
3 630.0 2.14 0.0
3 1000.0 2.14 0.0
3 1600.0 2.14 0.5
3 2500.0 2.14 0.75
3 4000.0 2.14 0.75
3 6300.0 2.14 0.25
3 10000.0 2.14 -0.5
3 16000.0 2.14 -0.5
Download

These EQ is designed for a 15 bands graphical EQ.

FBT Mitus 152A
Graphic EQ 31 bands
Set preamp gain to: -0.9dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.5
3 31.0 4.32 0.5
3 40.0 4.32 0.5
3 50.0 4.32 0.5
3 63.0 4.32 -0.25
3 80.0 4.32 -0.25
3 100.0 4.32 0.0
3 125.0 4.32 -0.25
3 160.0 4.32 -0.25
3 200.0 4.32 0.0
3 250.0 4.32 0.0
3 315.0 4.32 0.25
3 400.0 4.32 -0.25
3 500.0 4.32 0.0
3 630.0 4.32 0.0
3 800.0 4.32 0.0
3 1000.0 4.32 0.0
3 1250.0 4.32 0.25
3 1600.0 4.32 0.25
3 2000.0 4.32 0.75
3 2500.0 4.32 0.5
3 3150.0 4.32 0.25
3 4000.0 4.32 0.5
3 5000.0 4.32 0.0
3 6300.0 4.32 0.25
3 8000.0 4.32 0.0
3 10000.0 4.32 -0.25
3 12000.0 4.32 -0.5
3 16000.0 4.32 -0.25
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

FBT Mitus 152A: comparison between EQs
FBT Mitus 152A

Comparison betweens various EQs

FBT Mitus 152A

Improvements made by 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
Frequency Frequency with EQ
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