What we know about the measurement:

Neumi Silk 4 is a passive bookshelves that cost around 150 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 79.8Hz (resp. 64.5Hz).
  • Reference level is normalised to -0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.8dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.73 and would be 7.39 with a perfect subwoofer.
      • Details: NBD: ON 0.483, LW 0.422, SP 0.426, PIR 0.382; SM: SP0.935, PIR0.888; LFQ 0.308, LFX 60Hz
    • Tonality (Preference) Score is 5.87 with an EQ and would be 8.28 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.357, LW 0.279, SP 0.311, PIR 0.228; SM: SP0.948, PIR0.938; LFQ 0.308, LFX 52Hz
  • Link to original Review: eac review. Links to other reviews: asr review .
  • Vendor specifications:
    • Sensitivity 85 dB
    • Impedance 8 Ohm
    • Size
      • Width 140mm
      • Height 208mm
      • Depth 226mm
    • Weight 2.8kg
Neumi Silk 4
AutomaticEQ (IIR)
Set preamp gain to: -5.0dB.
Type Freq Q Gain
PK 49.0 1.39 2.81
PK 83.0 0.25 2.54
PK 155.0 2.32 -0.46
PK 184.0 0.85 -1.89
PK 540.0 2.91 1.63
PK 1046.0 1.99 -1.98
PK 5536.0 1.4 2.05
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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