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 .
  • Sensitivity:
    • Company: 85 dB
    • Measured: 81.6 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
  • -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. .
Aperion Audio Novus N5B

Vendor specifications

  • Impedance 4 Ohm
  • Size
    • Width 180mm
    • Height 300mm
    • Depth 200mm
  • Weight 4.5kg

Directivity (-6dB)

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