What we know about the measurement:

Monitor Audio Apex A10 is a passive bookshelves that cost around 1500 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 95.2Hz (resp. 74.7Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.9dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 1.89 and would be 5.06 with a perfect subwoofer.
      • Details: NBD: ON 0.574, LW 0.505, SP 0.558, PIR 0.5; SM: SP0.551, PIR0.134; LFQ 0.508, LFX 79Hz
    • Tonality (Preference) Score is 5.65 with an EQ and would be 8.26 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.354, LW 0.263, SP 0.375, PIR 0.246; SM: SP0.943, PIR0.95; LFQ 0.439, LFX 58Hz
  • Link to original Review: asr review. .
  • Vendor specifications:
    • Sensitivity 87 dB
    • Impedance 8 Ohm
    • SPL
      • peak: 110 dB
    • Size
      • Width 150mm
      • Height 280mm
      • Depth 180mm
    • Weight 3.95kg
Monitor Audio Apex A10
AutomaticEQ (IIR)
Set preamp gain to: -2.7dB.
Type Freq Q Gain
PK 67.0 0.55 3.0
PK 160.0 1.44 -3.47
PK 1010.0 0.55 2.21
PK 1046.0 2.98 -5.14
PK 1083.0 1.28 2.84
PK 1480.0 2.52 -5.21
PK 8694.0 0.5 -4.81
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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