What we know about the measurement:

Martin Audio CDD8 is a passive 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 128.0Hz (resp. 71.0Hz).
  • Reference level is normalised to -0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.4dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 1.42 and would be 4.45 with a perfect subwoofer.
      • Details: NBD: ON 1.032, LW 0.769, SP 0.757, PIR 0.679; SM: SP0.756, PIR0.591; LFQ 0.978, LFX 73Hz
    • Tonality (Preference) Score is 3.68 with an EQ and would be 6.21 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.718, LW 0.555, SP 0.657, PIR 0.559; SM: SP0.915, PIR0.861; LFQ 0.775, LFX 56Hz
Martin Audio CDD8
AutomaticEQ (IIR)
Set preamp gain to: -2.9dB.
Type Freq Q Gain
PK 69.0 0.36 3.0
PK 211.0 1.98 -0.76
PK 1010.0 0.26 -1.33
PK 1532.0 2.99 3.0
PK 2765.0 2.99 2.3
PK 5165.0 3.0 -5.75
PK 9001.0 2.99 -4.33
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Martin Audio CDD8
Graphic EQ 15 bands
Set preamp gain to: -1.1dB.
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 0.75
PK 160.0 2.14 0.5
PK 250.0 2.14 0.25
PK 400.0 2.14 0.0
PK 630.0 2.14 0.0
PK 1000.0 2.14 0.25
PK 1600.0 2.14 0.75
PK 2500.0 2.14 0.75
PK 4000.0 2.14 0.0
PK 6300.0 2.14 0.25
PK 10000.0 2.14 0.5
PK 16000.0 2.14 0.75
Download
This EQ is designed for a 15 bands graphical EQ.
Martin Audio CDD8
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
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 0.5
PK 125.0 4.32 0.5
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 0.0
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 0.0
PK 1250.0 4.32 0.25
PK 1600.0 4.32 0.75
PK 2000.0 4.32 0.0
PK 2500.0 4.32 0.5
PK 3150.0 4.32 0.0
PK 4000.0 4.32 0.0
PK 5000.0 4.32 -0.25
PK 6300.0 4.32 0.25
PK 8000.0 4.32 0.0
PK 10000.0 4.32 0.25
PK 12000.0 4.32 0.5
PK 16000.0 4.32 0.25
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 CDD8: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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