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 .
  • -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.
  • 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 310mm
    • Weight 22.0kg
Morel AVYRA 633
AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
PK 30.0 0.64 3.0
PK 92.0 2.05 -1.5
PK 160.0 3.0 1.45
PK 1532.0 2.71 0.99
PK 4989.0 0.9 -2.33
PK 10707.0 2.7 0.47
PK 16239.0 2.08 1.46
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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