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 .
  • Sensitivity: 82.1dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -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.
  • Directivity
    • Horizontal directivity is (-60.0°, 60.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • 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 226 mm)
    • Weight 2.8 kg
Neumi Silk 4
AutomaticEQ (IIR)
Set preamp gain to: -5.0dB.
Type Freq Q Gain
3 49.0 1.39 2.81
3 83.0 0.25 2.54
3 155.0 2.32 -0.46
3 184.0 0.85 -1.89
3 540.0 2.91 1.63
3 1046.0 1.99 -1.98
3 5536.0 1.4 2.05
Download

These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Neumi Silk 4 filters_auto_eq

AutomaticEQ

Neumi Silk 4 filters_eq_full

Target v.s. EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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