What we know about the measurement:

Coda Audio CoRay4 is a passive columns

  • Quality of the measurement data is high.
  • Origin of the data is Coda Audio.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 82.5Hz (resp. 77.5Hz).
  • Reference level is normalised to -0.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.8dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.77 and would be 5.85 with a perfect subwoofer.
      • Details: NBD: ON 0.71, LW 0.619, SP 0.724, PIR 0.639; SM: SP0.838, PIR0.796; LFQ 0.958, LFX 75Hz
    • Tonality (Preference) Score is 3.93 with an EQ and would be 7.06 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.571, LW 0.409, SP 0.548, PIR 0.434; SM: SP0.924, PIR0.907; LFQ 0.958, LFX 77Hz
  • Note: 120x12 configuration.
Coda Audio CoRay4
AutomaticEQ (IIR)
Set preamp gain to: -3.1dB.
Type Freq Q Gain
PK 175.0 1.3 -2.46
PK 342.0 2.99 2.71
PK 604.0 2.99 -2.31
PK 714.0 2.97 1.56
PK 1594.0 1.39 1.19
PK 1948.0 2.9 -1.14
PK 3008.0 2.93 2.96
PK 10713.0 2.96 -2.86
PK 14965.0 1.2 2.98
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This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Coda Audio CoRay4
Graphic EQ 15 bands
Set preamp gain to: -1.3dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 0.5
PK 100.0 2.14 -0.25
PK 160.0 2.14 -0.5
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 0.25
PK 6300.0 2.14 0.25
PK 10000.0 2.14 0.0
PK 16000.0 2.14 1.25
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This EQ is designed for a 15 bands graphical EQ.
Coda Audio CoRay4
Graphic EQ 31 bands
Set preamp gain to: -1.0dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.25
PK 31.0 4.32 0.25
PK 40.0 4.32 0.25
PK 50.0 4.32 0.25
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 0.0
PK 160.0 4.32 -0.25
PK 200.0 4.32 -0.25
PK 250.0 4.32 0.0
PK 315.0 4.32 0.25
PK 400.0 4.32 0.25
PK 500.0 4.32 0.25
PK 630.0 4.32 0.0
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 0.25
PK 2500.0 4.32 0.5
PK 3150.0 4.32 0.75
PK 4000.0 4.32 0.25
PK 5000.0 4.32 0.5
PK 6300.0 4.32 0.25
PK 8000.0 4.32 0.25
PK 10000.0 4.32 0.0
PK 12000.0 4.32 0.25
PK 16000.0 4.32 1.0
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)
Coda Audio CoRay4: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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