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 .
  • Sensitivity: 122.5dB (avg. 100Hz-1kHz for 2.83V estimated at 1m) . Sensitivity computed at the measurement distance (10m) over the same frequency range: 102.5dB.
  • -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.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 10.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • 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
3 175.0 1.3 -2.46
3 342.0 2.99 2.71
3 604.0 2.99 -2.31
3 714.0 2.97 1.56
3 1594.0 1.39 1.19
3 1948.0 2.9 -1.14
3 3008.0 2.93 2.96
3 10713.0 2.96 -2.86
3 14965.0 1.2 2.98
Download

These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Coda Audio CoRay4 filters_auto_eq

AutomaticEQ

Coda Audio CoRay4 filters_eq_full

Target v.s. EQ

Coda Audio CoRay4
Graphic EQ 15 bands
Set preamp gain to: -1.3dB.
Type Freq Q Gain
3 25.0 2.14 0.5
3 40.0 2.14 0.5
3 63.0 2.14 0.5
3 100.0 2.14 -0.25
3 160.0 2.14 -0.5
3 250.0 2.14 0.0
3 400.0 2.14 0.25
3 630.0 2.14 0.0
3 1000.0 2.14 0.25
3 1600.0 2.14 0.25
3 2500.0 2.14 0.5
3 4000.0 2.14 0.25
3 6300.0 2.14 0.25
3 10000.0 2.14 0.0
3 16000.0 2.14 1.25
Download

These 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
3 20.0 4.32 0.0
3 25.0 4.32 0.25
3 31.0 4.32 0.25
3 40.0 4.32 0.25
3 50.0 4.32 0.25
3 63.0 4.32 0.25
3 80.0 4.32 0.25
3 100.0 4.32 -0.25
3 125.0 4.32 0.0
3 160.0 4.32 -0.25
3 200.0 4.32 -0.25
3 250.0 4.32 0.0
3 315.0 4.32 0.25
3 400.0 4.32 0.25
3 500.0 4.32 0.25
3 630.0 4.32 0.0
3 800.0 4.32 0.25
3 1000.0 4.32 0.25
3 1250.0 4.32 0.25
3 1600.0 4.32 0.25
3 2000.0 4.32 0.25
3 2500.0 4.32 0.5
3 3150.0 4.32 0.75
3 4000.0 4.32 0.25
3 5000.0 4.32 0.5
3 6300.0 4.32 0.25
3 8000.0 4.32 0.25
3 10000.0 4.32 0.0
3 12000.0 4.32 0.25
3 16000.0 4.32 1.0
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Coda Audio CoRay4: comparison between EQs
Coda Audio CoRay4

Comparison betweens various EQs

Coda Audio CoRay4

Improvements made by EQ
CEA2034
On Axis
Early Reflections
Estimated In-Room Response
Horizontal Reflections
Vertical Reflections
SPL Horizontal
SPL Vertical
SPL Horizontal Normalized
SPL Vertical Normalized
SPL Horizontal Contour
SPL Vertical Contour
SPL Horizontal Contour Normalized
SPL Vertical Contour Normalized
SPL Horizontal Contour 3D
SPL Vertical Contour 3D
SPL Horizontal Contour Normalized 3D
SPL Vertical Contour Normalized 3D
SPL Horizontal Radar
SPL Vertical Radar
CEA2034
On Axis
Early Reflections
Estimated In-Room Response
Horizontal Reflections
Vertical Reflections
SPL Horizontal
SPL Vertical
SPL Horizontal Normalized
SPL Vertical Normalized
SPL Horizontal Contour
SPL Vertical Contour
SPL Horizontal Contour Normalized
SPL Vertical Contour Normalized
SPL Horizontal Contour 3D
SPL Vertical Contour 3D
SPL Horizontal Contour Normalized 3D
SPL Vertical Contour Normalized 3D
SPL Horizontal Radar
SPL Vertical Radar
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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