What we know about the measurement:

Presonus CDL12 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 280.0Hz (resp. 53.0Hz).
  • Reference level is normalised to 3.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.3dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-70.0°, 70.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 10.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 1.66 and would be 4.25 with a perfect subwoofer.
      • Details: NBD: ON 0.795, LW 0.571, SP 0.748, PIR 0.545; SM: SP0.001, PIR0.08; LFQ 1.85, LFX 58Hz
    • Tonality (Preference) Score is 4.26 with an EQ and would be 6.48 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.786, LW 0.483, SP 0.639, PIR 0.385; SM: SP0.723, PIR0.825; LFQ 1.658, LFX 47Hz
Presonus CDL12
AutomaticEQ (IIR)
Set preamp gain to: -2.1dB.
Type Freq Q Gain
3 184.0 1.03 2.24
3 1429.0 0.99 -6.06
3 2023.0 2.99 1.52
3 2579.0 1.58 -3.66
3 5347.0 1.87 -6.3
3 8110.0 2.99 -3.31
3 15150.0 1.69 -6.95
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Presonus CDL12 filters_auto_eq

AutomaticEQ

Presonus CDL12 filters_eq_full

Target v.s. EQ

Presonus CDL12
Graphic EQ 15 bands
Set preamp gain to: -0.0dB.
Type Freq Q Gain
3 25.0 2.14 0.0
3 40.0 2.14 0.0
3 63.0 2.14 0.0
3 100.0 2.14 0.0
3 160.0 2.14 0.0
3 250.0 2.14 0.0
3 400.0 2.14 0.0
3 630.0 2.14 -0.25
3 1000.0 2.14 -0.75
3 1600.0 2.14 -1.0
3 2500.0 2.14 -0.75
3 4000.0 2.14 -0.75
3 6300.0 2.14 -0.5
3 10000.0 2.14 -0.25
3 16000.0 2.14 -0.25
Download

These EQ is designed for a 15 bands graphical EQ.

Presonus CDL12
Graphic EQ 31 bands
Set preamp gain to: -0.0dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.0
3 31.0 4.32 0.0
3 40.0 4.32 0.0
3 50.0 4.32 0.0
3 63.0 4.32 0.0
3 80.0 4.32 0.0
3 100.0 4.32 0.0
3 125.0 4.32 0.0
3 160.0 4.32 0.0
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 0.0
3 500.0 4.32 -0.25
3 630.0 4.32 -0.25
3 800.0 4.32 -0.5
3 1000.0 4.32 -0.75
3 1250.0 4.32 -1.0
3 1600.0 4.32 -1.0
3 2000.0 4.32 -0.75
3 2500.0 4.32 -0.75
3 3150.0 4.32 -0.75
3 4000.0 4.32 -0.75
3 5000.0 4.32 -1.0
3 6300.0 4.32 -0.5
3 8000.0 4.32 -0.5
3 10000.0 4.32 -0.25
3 12000.0 4.32 0.0
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.

Presonus CDL12: comparison between EQs
Presonus CDL12

Comparison betweens various EQs

Presonus CDL12

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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