What we know about the measurement:

KV2 Audio ESR212 is an active liveportable

  • Quality of the measurement data is medium.
  • Origin of the data is KV2 Audio.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 40.0Hz (resp. 34.5Hz).
  • Reference level is normalised to -0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.2dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-10.0°, 10.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.92 and would be 6.65 with a perfect subwoofer.
      • Details: NBD: ON 0.438, LW 0.436, SP 0.478, PIR 0.436; SM: SP0.76, PIR0.59; LFQ 3.695, LFX 36Hz
    • Tonality (Preference) Score is 6.34 with an EQ and would be 7.86 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.35, LW 0.303, SP 0.371, PIR 0.328; SM: SP0.928, PIR0.875; LFQ 3.442, LFX 32Hz
KV2 Audio ESR212
AutomaticEQ (IIR)
Set preamp gain to: -2.9dB.
Type Freq Q Gain
3 34.0 1.75 2.95
3 98.0 0.9 -0.46
3 235.0 2.88 2.51
3 321.0 1.25 -1.52
3 3779.0 0.68 1.74
3 6361.0 2.99 -2.22
3 11476.0 1.33 -3.14
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

KV2 Audio ESR212 filters_auto_eq

AutomaticEQ

KV2 Audio ESR212 filters_eq_full

Target v.s. EQ

KV2 Audio ESR212
Graphic EQ 15 bands
Set preamp gain to: -0.8dB.
Type Freq Q Gain
3 25.0 2.14 0.5
3 40.0 2.14 0.5
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 0.25
3 400.0 2.14 -0.25
3 630.0 2.14 0.0
3 1000.0 2.14 0.0
3 1600.0 2.14 0.25
3 2500.0 2.14 0.5
3 4000.0 2.14 0.5
3 6300.0 2.14 0.0
3 10000.0 2.14 0.0
3 16000.0 2.14 0.75
Download

These EQ is designed for a 15 bands graphical EQ.

KV2 Audio ESR212
Graphic EQ 31 bands
Set preamp gain to: -0.6dB.
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 0.0
3 100.0 4.32 0.0
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 0.25
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 0.0
3 800.0 4.32 0.25
3 1000.0 4.32 0.0
3 1250.0 4.32 0.25
3 1600.0 4.32 0.25
3 2000.0 4.32 0.5
3 2500.0 4.32 0.25
3 3150.0 4.32 0.25
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 0.0
3 10000.0 4.32 0.0
3 12000.0 4.32 0.0
3 16000.0 4.32 0.5
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

KV2 Audio ESR212: comparison between EQs
KV2 Audio ESR212

Comparison betweens various EQs

KV2 Audio ESR212

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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