What we know about the measurement:

Aperion Audio Novus N5B is a passive bookshelves that cost around 300 USD each.

  • 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 58.6Hz (resp. 47.6Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.4dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.81 and would be 6.03 with a perfect subwoofer.
      • Details: NBD: ON 0.552, LW 0.481, SP 0.531, PIR 0.498; SM: SP0.69, PIR0.525; LFQ 0.641, LFX 47Hz
    • Tonality (Preference) Score is 6.23 with an EQ and would be 7.93 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.447, LW 0.356, SP 0.319, PIR 0.283; SM: SP0.941, PIR0.953; LFQ 0.641, LFX 35Hz
  • Link to original Review: eac review. .
  • Vendor specifications:
    • Sensitivity 85 dB
    • Impedance 4 Ohm
    • Size
      • Width 180mm
      • Height 300mm
      • Depth 200mm
    • Weight 4.5kg
Aperion Audio Novus N5B
AutomaticEQ (IIR)
Set preamp gain to: -3.8dB.
Type Freq Q Gain
PK 36.0 0.95 3.99
PK 113.0 1.0 -2.09
PK 270.0 2.13 1.17
PK 2168.0 2.99 3.13
PK 4051.0 1.2 -4.62
PK 9989.0 2.81 -0.42
PK 16239.0 1.01 -1.0
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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