What we know about the measurement:

Martin Audio XP12 is an active liveportable

  • Quality of the measurement data is unknown.
  • Origin of the data is Martin Audio.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 61.5Hz (resp. 54.5Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.1dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.66 and would be 6.19 with a perfect subwoofer.
      • Details: NBD: ON 0.535, LW 0.556, SP 0.696, PIR 0.597; SM: SP0.803, PIR0.703; LFQ 1.369, LFX 56Hz
    • Tonality (Preference) Score is 4.9 with an EQ and would be 7.28 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.468, LW 0.429, SP 0.564, PIR 0.464; SM: SP0.943, PIR0.927; LFQ 1.369, LFX 51Hz
Martin Audio XP12
AutomaticEQ (IIR)
Set preamp gain to: -2.4dB.
Type Freq Q Gain
PK 51.0 1.96 2.98
PK 105.0 1.17 -2.55
PK 714.0 2.93 -0.79
PK 2670.0 2.98 2.28
PK 4051.0 1.76 -2.74
PK 6818.0 2.99 -1.1
PK 13186.0 1.81 -5.3
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This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Martin Audio XP12
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 0.25
PK 100.0 2.14 -0.25
PK 160.0 2.14 -0.25
PK 250.0 2.14 0.0
PK 400.0 2.14 0.25
PK 630.0 2.14 0.0
PK 1000.0 2.14 0.25
PK 1600.0 2.14 0.25
PK 2500.0 2.14 0.5
PK 4000.0 2.14 0.0
PK 6300.0 2.14 0.0
PK 10000.0 2.14 0.25
PK 16000.0 2.14 0.0
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This EQ is designed for a 15 bands graphical EQ.
Martin Audio XP12
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 0.25
PK 80.0 4.32 -0.25
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 0.0
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 0.25
PK 2000.0 4.32 0.25
PK 2500.0 4.32 0.5
PK 3150.0 4.32 0.25
PK 4000.0 4.32 0.0
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 0.25
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)
Martin Audio XP12: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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