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 50.2Hz (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 0.409, LW 0.434, SP 0.537, PIR 0.481; SM: SP0.863, PIR0.648; LFQ 1.059, LFX 46Hz
    • Tonality (Preference) Score is 5.76 with an EQ and would be 7.83 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.305, LW 0.308, SP 0.447, PIR 0.368; SM: SP0.946, PIR0.865; LFQ 1.059, LFX 43Hz
  • Link to original Review: snr review. .
  • Vendor specifications:
    • Size
      • Width 200mm
      • Height 337mm
      • Depth 280 mm)
    • Weight 8.7 kg
Adam A7V
AutomaticEQ (IIR)
Set preamp gain to: -2.6dB.
Type Freq Q Gain
3 44.0 2.89 2.98
3 102.0 0.76 -1.13
3 299.0 1.89 -1.25
3 600.0 3.0 -3.56
3 714.0 3.0 3.0
3 7308.0 0.46 -2.12
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Adam A7V filters_auto_eq

AutomaticEQ

Adam A7V filters_eq_full

Target v.s. EQ

Adam A7V
AutomaticEQ LW (IIR)
Set preamp gain to: -2.2dB.
Type Freq Q Gain
3 47.0 2.95 2.92
3 62.0 1.99 -1.39
3 113.0 1.51 -0.55
3 600.0 3.0 -2.96
3 714.0 3.0 2.99
3 1083.0 0.25 -3.03
3 1333.0 0.47 3.0
Download

These EQ optimise for a flat listening window and is a good start for near field listening like on your desk.

Adam A7V: comparison between EQs
Adam A7V

Comparison betweens various EQs

Adam A7V

Improvements made by EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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