What we know about the measurement:

Presonus ULT12 is an active liveportable that cost around 1000 USD for a pair.

  • Quality of the measurement data is medium.
  • Origin of the data is Presonus.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 65.0Hz (resp. 58.0Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.3dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 0.08 and would be 2.74 with a perfect subwoofer.
      • Details: NBD: ON 0.974, LW 0.975, SP 0.969, PIR 0.943; SM: SP0.427, PIR0.132; LFQ 1.904, LFX 60Hz
    • Tonality (Preference) Score is 2.59 with an EQ and would be 5.07 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.811, LW 0.814, SP 0.83, PIR 0.784; SM: SP0.847, PIR0.754; LFQ 1.904, LFX 54Hz
Presonus ULT12
AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
LS 148.0 1.3 2.02
PK 253.0 2.99 3.0
PK 342.0 2.98 2.01
PK 404.0 0.45 -0.9
PK 1541.0 0.75 2.34
PK 2380.0 2.46 -2.95
PK 3438.0 2.99 2.0
PK 6276.0 0.78 -2.94
PK 8478.0 1.28 -2.97
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Presonus ULT12
Graphic EQ 15 bands
Set preamp gain to: -1.0dB.
Type Freq Q Gain
PK 25.0 2.14 0.75
PK 40.0 2.14 0.75
PK 63.0 2.14 0.75
PK 100.0 2.14 0.0
PK 160.0 2.14 0.0
PK 250.0 2.14 1.0
PK 400.0 2.14 0.0
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 -0.5
PK 10000.0 2.14 -0.75
PK 16000.0 2.14 0.0
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This EQ is designed for a 15 bands graphical EQ.
Presonus ULT12
Graphic EQ 31 bands
Set preamp gain to: -1.1dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.75
PK 31.0 4.32 0.75
PK 40.0 4.32 0.75
PK 50.0 4.32 0.75
PK 63.0 4.32 0.75
PK 80.0 4.32 0.25
PK 100.0 4.32 0.0
PK 125.0 4.32 0.5
PK 160.0 4.32 0.0
PK 200.0 4.32 0.0
PK 250.0 4.32 1.0
PK 315.0 4.32 0.5
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 0.25
PK 1250.0 4.32 0.25
PK 1600.0 4.32 0.25
PK 2000.0 4.32 0.0
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 -0.25
PK 6300.0 4.32 -0.25
PK 8000.0 4.32 -0.25
PK 10000.0 4.32 -0.5
PK 12000.0 4.32 0.5
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)
Presonus ULT12: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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