What we know about the measurement:

Coda Audio HOPS8 is a passive liveportable

  • Quality of the measurement data is high.
  • Origin of the data is Coda Audio.
  • Format of the data is a GLL file .
  • Sensitivity:
    • Sensitivity: 100.2dB (avg. 100Hz-1kHz for 2.83V estimated at 1m).
    • Sensitivity: 80.2dB computed at the measurement distance (10.0m) over the same frequency range.
  • -3dB (resp. -6db) point v.s. reference is at 63.0Hz (resp. 60.0Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.5dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.24 and would be 5.95 with a perfect subwoofer.
      • Details: NBD: ON 0.636, LW 0.586, SP 0.647, PIR 0.588; SM: SP0.823, PIR0.693; LFQ 0.949, LFX 61Hz
    • Tonality (Preference) Score is 4.52 with an EQ and would be 7.18 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.493, LW 0.413, SP 0.52, PIR 0.452; SM: SP0.933, PIR0.896; LFQ 0.949, LFX 60Hz
Coda Audio HOPS8
AutomaticEQ (IIR)
Set preamp gain to: -1.7dB.
Type Freq Q Gain
3 62.0 3.0 2.95
3 83.0 0.84 -3.64
3 560.0 1.39 2.49
3 689.0 2.92 -2.08
3 2862.0 3.0 -2.52
3 5165.0 2.96 -2.8
3 11085.0 2.96 -2.55
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Coda Audio HOPS8 filters_auto_eq

AutomaticEQ

Coda Audio HOPS8 filters_eq_full

Target v.s. EQ

Coda Audio HOPS8
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
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 -0.5
3 160.0 2.14 -0.25
3 250.0 2.14 0.0
3 400.0 2.14 0.25
3 630.0 2.14 0.25
3 1000.0 2.14 0.25
3 1600.0 2.14 0.5
3 2500.0 2.14 0.0
3 4000.0 2.14 0.25
3 6300.0 2.14 0.0
3 10000.0 2.14 0.0
3 16000.0 2.14 0.0
Download

These EQ is designed for a 15 bands graphical EQ.

Coda Audio HOPS8
Graphic EQ 31 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.5
3 31.0 4.32 0.5
3 40.0 4.32 0.5
3 50.0 4.32 0.5
3 63.0 4.32 0.5
3 80.0 4.32 -0.5
3 100.0 4.32 -0.5
3 125.0 4.32 -0.25
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 0.0
3 400.0 4.32 0.25
3 500.0 4.32 0.25
3 630.0 4.32 0.25
3 800.0 4.32 0.0
3 1000.0 4.32 0.25
3 1250.0 4.32 0.25
3 1600.0 4.32 0.5
3 2000.0 4.32 -0.25
3 2500.0 4.32 0.0
3 3150.0 4.32 0.0
3 4000.0 4.32 0.25
3 5000.0 4.32 -0.25
3 6300.0 4.32 0.0
3 8000.0 4.32 0.25
3 10000.0 4.32 0.0
3 12000.0 4.32 0.0
3 16000.0 4.32 0.0
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Coda Audio HOPS8: comparison between EQs
Coda Audio HOPS8

Comparison betweens various EQs

Coda Audio HOPS8

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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