What we know about the measurement:

Devialet Phantom I is an active bookshelves that cost around 2400 USD each.

  • Quality of the measurement data is medium.
  • Origin of the data is Devialet.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 22.4Hz (resp. 22.4Hz).
  • Reference level is normalised to -0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.5dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 5.72 and would be 6.53 with a perfect subwoofer.
      • Details: NBD: ON 0.511, LW 0.474, SP 0.494, PIR 0.406; SM: SP0.808, PIR0.578; LFQ 0.408, LFX 22Hz
    • Tonality (Preference) Score is 6.83 with an EQ and would be 7.64 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.365, LW 0.357, SP 0.476, PIR 0.352; SM: SP0.886, PIR0.83; LFQ 0.408, LFX 22Hz
  • Vendor specifications:
    • SPL
      • peak: 103 dB
    • Size
      • Width 252mm
      • Height 255mm
      • Depth 342mm
    • Weight 11.4kg
Devialet Phantom I
AutomaticEQ (IIR)
Set preamp gain to: -4.9dB.
Type Freq Q Gain
LS 22.0 0.56 3.12
PK 109.0 3.15 1.18
PK 646.0 5.7 -1.08
PK 1103.0 2.96 1.52
PK 2721.0 5.63 4.65
PK 3676.0 4.79 2.25
PK 11454.0 1.25 -1.81
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Devialet Phantom I
AutomaticEQ LW (IIR)
Set preamp gain to: -5.5dB.
Type Freq Q Gain
PK 22.0 5.22 3.28
PK 76.0 2.43 -0.68
PK 109.0 2.02 1.29
PK 447.0 0.57 -0.52
PK 1103.0 3.17 1.54
PK 2813.0 5.01 4.91
PK 3676.0 4.22 3.76
Download
This EQ optimise for a flat listening window and is a good start for near field listening like on your desk.
Devialet Phantom I
AutomaticEQ Score (IIR)
Set preamp gain to: -4.5dB.
Type Freq Q Gain
LS 22.0 0.52 4.16
PK 68.0 0.47 -0.57
PK 109.0 2.31 1.64
PK 1141.0 3.21 1.53
PK 2721.0 5.9 4.33
PK 3676.0 4.87 2.09
PK 12246.0 0.95 -1.62
Download
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)
Devialet Phantom I: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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