What we know about the measurement:

Alcons Audio SR9 is a passive liveportable

  • Quality of the measurement data is high.
  • Origin of the data is Alcons Audio.
  • Format of the data is a GLL file .
  • Sensitivity: 112.5dB (avg. 100Hz-1kHz for 2.83V estimated at 1m) . Sensitivity computed at the measurement distance (10m) over the same frequency range: 92.5dB.
  • -3dB (resp. -6db) point v.s. reference is at 150.0Hz (resp. 109.0Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.6dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.15 and would be 5.87 with a perfect subwoofer.
      • Details: NBD: ON 0.43, LW 0.463, SP 0.604, PIR 0.523; SM: SP0.702, PIR0.356; LFQ 0.897, LFX 106Hz
    • Tonality (Preference) Score is 4.73 with an EQ and would be 8.15 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.266, LW 0.257, SP 0.391, PIR 0.308; SM: SP0.944, PIR0.885; LFQ 0.698, LFX 89Hz
Alcons Audio SR9
AutomaticEQ (IIR)
Set preamp gain to: -4.4dB.
Type Freq Q Gain
5 150.0 0.5 2.98
3 150.0 0.72 2.42
3 150.0 0.47 2.05
3 207.0 0.58 -2.89
3 207.0 2.66 -2.9
3 511.0 2.46 1.36
3 998.0 2.95 1.4
3 2545.0 2.54 2.99
3 4345.0 1.25 -0.89
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Alcons Audio SR9 filters_auto_eq

AutomaticEQ

Alcons Audio SR9 filters_eq_full

Target v.s. EQ

Alcons Audio SR9
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 -0.25
3 400.0 2.14 0.0
3 630.0 2.14 0.0
3 1000.0 2.14 0.0
3 1600.0 2.14 0.0
3 2500.0 2.14 0.25
3 4000.0 2.14 -0.5
3 6300.0 2.14 -0.25
3 10000.0 2.14 -0.25
3 16000.0 2.14 0.0
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These EQ is designed for a 15 bands graphical EQ.

Alcons Audio SR9
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
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 0.5
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 0.0
3 400.0 4.32 0.0
3 500.0 4.32 0.0
3 630.0 4.32 0.0
3 800.0 4.32 0.0
3 1000.0 4.32 0.25
3 1250.0 4.32 0.0
3 1600.0 4.32 0.0
3 2000.0 4.32 0.0
3 2500.0 4.32 0.5
3 3150.0 4.32 -0.25
3 4000.0 4.32 -0.5
3 5000.0 4.32 -0.5
3 6300.0 4.32 0.0
3 8000.0 4.32 -0.25
3 10000.0 4.32 -0.5
3 12000.0 4.32 -0.25
3 16000.0 4.32 -0.25
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Alcons Audio SR9: comparison between EQs
Alcons Audio SR9

Comparison betweens various EQs

Alcons Audio SR9

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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