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 .
  • Sensitivity: 81.9dB (avg. 100Hz-1kHz for 2.83V estimated 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.
  • Directivity
    • Horizontal directivity is (-70.0°, 60.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • 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 200 mm)
    • Weight 4.5 kg
Aperion Audio Novus N5B
AutomaticEQ (IIR)
Set preamp gain to: -3.8dB.
Type Freq Q Gain
3 36.0 0.95 3.99
3 113.0 1.0 -2.09
3 270.0 2.13 1.17
3 2168.0 2.99 3.13
3 4051.0 1.2 -4.62
3 9989.0 2.81 -0.42
3 16239.0 1.01 -1.0
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Aperion Audio Novus N5B filters_auto_eq

AutomaticEQ

Aperion Audio Novus N5B 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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