What we know about the measurement:

Fulcrum Acoustic DX1226 is a passive toursound

  • Quality of the measurement data is medium.
  • Origin of the data is Fulcrum Acoustic.
  • Format of the data is a GLL file .
  • Sensitivity: 127.7dB (avg. 100Hz-1kHz for 2.83V estimated at 1m) . Sensitivity computed at the measurement distance (10m) over the same frequency range: 107.7dB.
  • -3dB (resp. -6db) point v.s. reference is at 69.0Hz (resp. 60.0Hz).
  • Reference level is normalised to -0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.4dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-40.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Note: The tonality (Preference) score does not make sense for toursound speakers. Don't give too much credits to the value.
    • Tonality (Preference) Score is 2.6 and would be 5.26 with a perfect subwoofer.
      • Details: NBD: ON 0.785, LW 0.637, SP 0.685, PIR 0.644; SM: SP0.672, PIR0.631; LFQ 2.283, LFX 60Hz
    • Tonality (Preference) Score is 4.66 with an EQ and would be 7.03 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.535, LW 0.42, SP 0.543, PIR 0.439; SM: SP0.912, PIR0.86; LFQ 2.283, LFX 51Hz
  • Note: Relatively high smoothing; Pattern is 120x60.
  • Vendor specifications:
    • Dispersion: 120° horizontal and 60° vertical.
    • Sensitivity 98 dB
    • Impedance 8 Ohm
    • SPL
      • continuous: 126 dB
      • peak: 132 dB
    • Size
      • Width 457mm
      • Height 711mm
      • Depth 406 mm)
    • Weight 28.6 kg
Fulcrum Acoustic DX1226
AutomaticEQ (IIR)
Set preamp gain to: -2.7dB.
Type Freq Q Gain
3 58.0 1.15 2.99
3 144.0 0.81 -1.05
3 1244.0 0.73 -0.98
3 1381.0 2.74 2.93
3 5536.0 2.99 -4.44
3 8110.0 3.0 -4.98
3 11882.0 2.99 -8.3
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Fulcrum Acoustic DX1226 filters_auto_eq

AutomaticEQ

Fulcrum Acoustic DX1226 filters_eq_full

Target v.s. 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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