What we know about the measurement:

Fulcrum Acoustic RX8 is an active liveportable

  • Quality of the measurement data is medium.
  • Origin of the data is Fulcrum Acoustic.
  • Format of the data is a GLL file .
  • Warning: this measurement was already process with an equalizer.
  • -3dB (resp. -6db) point v.s. reference is at 109.0Hz (resp. 92.5Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.3dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-30.0°, 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 2.82 and would be 6.23 with a perfect subwoofer.
      • Details: NBD: ON 0.505, LW 0.475, SP 0.725, PIR 0.573; SM: SP0.78, PIR0.658; LFQ 1.042, LFX 89Hz
    • Tonality (Preference) Score is 4.15 with an EQ and would be 7.35 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.377, LW 0.336, SP 0.611, PIR 0.445; SM: SP0.875, PIR0.837; LFQ 1.042, LFX 79Hz
  • Vendor specifications:
    • Dispersion: 90° horizontal and 75° vertical.
    • Sensitivity 93 dB
    • SPL
      • continuous: 116 dB
      • peak: 122 dB
    • Size
      • Width 323mm
      • Height 229mm
      • Depth 235 mm)
    • Weight 6.4 kg
Fulcrum Acoustic RX8
AutomaticEQ (IIR)
Set preamp gain to: -4.6dB.
Type Freq Q Gain
PK 92.0 2.41 2.99
PK 109.0 0.68 3.0
PK 121.0 2.99 -1.74
PK 178.0 1.02 -2.42
PK 1010.0 1.55 -1.19
PK 1046.0 2.92 1.99
PK 11882.0 0.5 -2.01
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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 RX8 filters_auto_eq

AutomaticEQ

Fulcrum Acoustic RX8 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
Frequency Frequency with EQ
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