Fulcrum Acoustic RX4 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.
  • Sensitivity:
    • Company: 85 dB
  • -3dB (resp. -6db) point v.s. reference is at 165.0Hz (resp. 145.0Hz).
  • Reference level is normalised to 0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.9dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is -0.51 and would be 3.8 with a perfect subwoofer.
      • Details: NBD: ON 0.707, LW 0.667, SP 0.856, PIR 0.713; SM: SP0.081, PIR0.006; LFQ 0.688, LFX 144Hz
    • Tonality (Preference) Score is 0.98 with an EQ and would be 4.97 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.614, LW 0.583, SP 0.784, PIR 0.634; SM: SP0.545, PIR0.309; LFQ 0.602, LFX 122Hz
Fulcrum Acoustic RX4

Vendor specifications

  • Dispersion: 100° horizontal and 100° vertical.
  • SPL
    • continuous: 105 dB
    • peak: 111 dB
  • Size
    • Width 135mm
    • Height 127mm
    • Depth 132mm
  • Weight 1.4kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -5.5dB.
Type Freq Q Gain
PK 105.0 0.99 3.0
PK 166.0 0.25 3.0
PK 197.0 2.55 -2.28
PK 289.0 1.62 -2.22
PK 666.0 1.05 -1.28
PK 2579.0 0.87 2.83
PK 5732.0 0.33 -4.84
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Quick config:
Quick config:
Quick config:
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