What we know about the measurement:

Fluid Audio FX50v2 is an active bookshelves that cost around 300 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 67.4Hz (resp. 58.6Hz).
  • Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.4dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.11 and would be 4.72 with a perfect subwoofer.
      • Details: NBD: ON 0.916, LW 0.799, SP 0.891, PIR 0.8; SM: SP0.856, PIR0.739; LFQ 0.705, LFX 58Hz
    • Tonality (Preference) Score is 3.75 with an EQ and would be 6.11 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.725, LW 0.591, SP 0.723, PIR 0.605; SM: SP0.911, PIR0.884; LFQ 0.705, LFX 51Hz
  • Link to original Review: asr review. Links to other reviews: pre review .
  • Vendor specifications:
    • SPL
      • peak: 110 dB
    • Size
      • Width 176mm
      • Height 234mm
      • Depth 230mm
    • Weight 3.8kg
Fluid Audio FX50v2
AutomaticEQ (IIR)
Set preamp gain to: -3.2dB.
Type Freq Q Gain
PK 56.0 0.86 3.0
PK 540.0 0.25 1.62
PK 689.0 3.0 -2.58
PK 792.0 3.0 2.96
PK 1010.0 2.76 -4.7
PK 2245.0 1.0 3.0
PK 3650.0 0.5 -3.62
Download
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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