What we know about the measurement:

Fulcrum Acoustic P8 is a passive liveportable

  • Quality of the measurement data is medium.
  • Origin of the data is Fulcrum Acoustic.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 132.0Hz (resp. 109.0Hz).
  • Reference level is normalised to -0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 6.4dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 0.86 and would be 4.69 with a perfect subwoofer.
      • Details: NBD: ON 0.846, LW 0.625, SP 0.666, PIR 0.621; SM: SP0.725, PIR0.418; LFQ 1.353, LFX 111Hz
    • Tonality (Preference) Score is 3.41 with an EQ and would be 6.88 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.536, LW 0.451, SP 0.551, PIR 0.476; SM: SP0.909, PIR0.845; LFQ 1.143, LFX 92Hz
  • Vendor specifications:
    • Dispersion: 100° horizontal and 100° vertical.
    • Sensitivity 101 dB
    • Impedance 16 Ohm
    • SPL
      • continuous: 119 dB
      • peak: 125 dB
    • Size
      • Width 313mm
      • Height 313mm
      • Depth 263mm
    • Weight 7.3kg
Fulcrum Acoustic P8
AutomaticEQ (IIR)
Set preamp gain to: -3.9dB.
Type Freq Q Gain
PK 98.0 2.92 3.0
PK 134.0 1.71 1.94
PK 1480.0 1.68 2.45
PK 2168.0 1.27 -2.43
PK 7059.0 2.99 -4.38
PK 8694.0 2.78 3.0
PK 10707.0 3.0 -5.81
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This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Improvement made by adding the above EQ
EQ
AutoEQ
Target v.s. EQ
Target v.s. EQ
Histogram of errors
On Axis (fullrange)
Listening Window (fullrange)
Predicted In-Room Response (fullrange)
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