What we know about the measurement:

Adam A7V is an active bookshelves that cost around 579 USD each.

  • Quality of the measurement data is medium.
  • Origin of the data is Sound and Recording.
  • Format of the data is a scanned image .
  • -3dB (resp. -6db) point v.s. reference is at 50.9Hz (resp. 47.1Hz).
  • Reference level is normalised to 0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 6.3dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.54 and would be 6.72 with a perfect subwoofer.
      • Details: NBD: ON 0.405, LW 0.437, SP 0.54, PIR 0.484; SM: SP0.862, PIR0.646; LFQ 1.054, LFX 46Hz
    • Tonality (Preference) Score is 5.76 with an EQ and would be 7.82 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.304, LW 0.31, SP 0.448, PIR 0.369; SM: SP0.946, PIR0.864; LFQ 1.054, LFX 43Hz
  • Link to original Review: snr review. .
  • Vendor specifications:
    • Size
      • Width 200mm
      • Height 337mm
      • Depth 280mm
    • Weight 8.7kg
Adam A7V
AutomaticEQ (IIR)
Set preamp gain to: -2.6dB.
Type Freq Q Gain
PK 44.0 2.89 2.98
PK 102.0 0.76 -1.13
PK 299.0 1.89 -1.25
PK 600.0 3.0 -3.56
PK 714.0 3.0 3.0
PK 7308.0 0.46 -2.12
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Adam A7V
AutomaticEQ LW (IIR)
Set preamp gain to: -2.2dB.
Type Freq Q Gain
PK 47.0 2.95 2.92
PK 62.0 1.99 -1.39
PK 113.0 1.51 -0.55
PK 600.0 3.0 -2.96
PK 714.0 3.0 2.99
PK 1083.0 0.25 -3.03
PK 1333.0 0.47 3.0
Download
This EQ optimise for a flat listening window and is a good start for near field listening like on your desk.
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)
Adam A7V: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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