What we know about the measurement:

Fluid Audio C35BT is an active bookshelves that cost around 139 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 77.6Hz (resp. 71.8Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.9dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.52 and would be 5.52 with a perfect subwoofer.
      • Details: NBD: ON 0.599, LW 0.555, SP 0.657, PIR 0.582; SM: SP0.736, PIR0.463; LFQ 0.1, LFX 71Hz
    • Tonality (Preference) Score is 4.09 with an EQ and would be 7.09 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.393, LW 0.383, SP 0.622, PIR 0.478; SM: SP0.861, PIR0.784; LFQ 0.1, LFX 71Hz
  • Link to original Review: asr review. .
  • Vendor specifications:
    • Size
      • Width 125mm
      • Height 185mm
      • Depth 150mm
    • Weight 4.52kg
Fluid Audio C35BT
AutomaticEQ (IIR)
Set preamp gain to: -1.9dB.
Type Freq Q Gain
PK 121.0 1.35 -2.4
PK 299.0 1.7 1.97
PK 409.0 3.83 0.97
PK 739.0 2.36 1.52
PK 1244.0 4.17 -3.41
PK 4051.0 1.17 -2.01
PK 9648.0 1.49 -3.85
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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