What we know about the measurement:

Audio First Design Fidelia is a passive bookshelves that cost around 1200 USD for a pair.

  • Quality of the measurement data is low.
  • Origin of the data is Audio First Design.
  • Format of the data is a scanned image .
  • Sensitivity: 84.2dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 50.2Hz (resp. 41.6Hz).
  • Reference level is normalised to 0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.0dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 6.76 and would be 8.74 with a perfect subwoofer.
      • Details: NBD: ON 0.223, LW 0.2, SP 0.248, PIR 0.203; SM: SP0.976, PIR0.959; LFQ 1.347, LFX 41Hz
    • Tonality (Preference) Score is 7.14 with an EQ and would be 8.81 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.197, LW 0.174, SP 0.222, PIR 0.174; SM: SP0.963, PIR0.926; LFQ 1.347, LFX 35Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
  • Vendor specifications:
    • Sensitivity 84 dB
    • Impedance 3.2 Ohm
    • Size
      • Width 180mm
      • Height 300mm
      • Depth 297.6 mm)
    • Weight 6.8 kg
Audio First Design Fidelia
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
PK 36.0 1.07 2.99
PK 98.0 1.21 -1.45
PK 211.0 0.68 -0.8
PK 621.0 2.97 -0.88
PK 1244.0 2.98 -0.73
PK 1823.0 2.86 -0.73
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Audio First Design Fidelia filters_auto_eq

AutomaticEQ

Audio First Design Fidelia filters_eq_full

Target v.s. EQ
CEA2034
CEA2034 Normalized
On Axis
Estimated In-Room Response
CEA2034
CEA2034 Normalized
On Axis
Estimated In-Room Response
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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