What we know about the measurement:

Morel AVYRA 633 is a passive floorstanders that cost around 2000 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: 86.2dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 52.7Hz (resp. 41.0Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.0dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-70.0°, 70.0°) 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 5.33 and would be 7.1 with a perfect subwoofer.
      • Details: NBD: ON 0.453, LW 0.389, SP 0.342, PIR 0.334; SM: SP0.776, PIR0.668; LFQ 0.61, LFX 37Hz
    • Tonality (Preference) Score is 6.68 with an EQ and would be 7.99 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.42, LW 0.361, SP 0.286, PIR 0.275; SM: SP0.936, PIR0.94; LFQ 0.685, LFX 29Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
  • Vendor specifications:
    • Sensitivity 89 dB
    • Impedance 4 Ohm
    • Size
      • Width 326mm
      • Height 982mm
      • Depth 310 mm)
    • Weight 22.0 kg
Morel AVYRA 633
AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
3 30.0 0.64 3.0
3 92.0 2.05 -1.5
3 160.0 3.0 1.45
3 1532.0 2.71 0.99
3 4989.0 0.9 -2.33
3 10707.0 2.7 0.47
3 16239.0 2.08 1.46
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Morel AVYRA 633 filters_auto_eq

AutomaticEQ

Morel AVYRA 633 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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