What we know about the measurement:

BiAmp Community IC8-1153 is a passive liveportable

  • Quality of the measurement data is medium.
  • Origin of the data is BiAmp.
  • Format of the data is a GLL file .
  • Sensitivity:
    • Sensitivity: 100.7dB (avg. 100Hz-1kHz for 2.83V estimated at 1m).
    • Sensitivity: 80.7dB computed at the measurement distance (10.0m) over the same frequency range.
  • -3dB (resp. -6db) point v.s. reference is at 47.5Hz (resp. 42.5Hz).
  • Reference level is normalised to 0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 5.4dB 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°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.35 and would be 5.31 with a perfect subwoofer.
      • Details: NBD: ON 0.659, LW 0.631, SP 0.717, PIR 0.655; SM: SP0.734, PIR0.529; LFQ 1.997, LFX 41Hz
    • Tonality (Preference) Score is 4.6 with an EQ and would be 6.38 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.6, LW 0.548, SP 0.595, PIR 0.541; SM: SP0.876, PIR0.783; LFQ 1.997, LFX 37Hz
  • Note: data computed at 2 meters..
BiAmp Community IC8-1153
AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
5 62.0 0.34 2.99
3 271.0 2.85 1.03
3 432.0 2.97 -1.0
3 511.0 2.99 2.89
3 790.0 2.95 2.07
3 998.0 0.58 -0.89
3 2813.0 1.01 1.56
3 4803.0 2.85 -1.76
3 8478.0 1.28 -2.92
Download

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

BiAmp Community IC8-1153 filters_auto_eq

AutomaticEQ

BiAmp Community IC8-1153 filters_eq_full

Target v.s. EQ

BiAmp Community IC8-1153
Graphic EQ 15 bands
Set preamp gain to: -1.0dB.
Type Freq Q Gain
3 25.0 2.14 0.5
3 40.0 2.14 0.5
3 63.0 2.14 0.25
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 0.0
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 0.0
3 4000.0 2.14 0.0
3 6300.0 2.14 -0.25
3 10000.0 2.14 -0.25
3 16000.0 2.14 1.0
Download

These EQ is designed for a 15 bands graphical EQ.

BiAmp Community IC8-1153
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 0.25
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 0.0
3 200.0 4.32 0.0
3 250.0 4.32 0.0
3 315.0 4.32 -0.25
3 400.0 4.32 0.0
3 500.0 4.32 0.5
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 -0.25
3 2000.0 4.32 0.0
3 2500.0 4.32 -0.25
3 3150.0 4.32 0.25
3 4000.0 4.32 0.0
3 5000.0 4.32 -0.25
3 6300.0 4.32 -0.25
3 8000.0 4.32 -0.5
3 10000.0 4.32 -0.25
3 12000.0 4.32 -0.25
3 16000.0 4.32 0.75
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

BiAmp Community IC8-1153: comparison between EQs
BiAmp Community IC8-1153

Comparison betweens various EQs

BiAmp Community IC8-1153

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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