What we know about the measurement:

Adam S2V is an active bookshelves that cost around 3500 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 52.7Hz (resp. 45.4Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.3dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-60.0°, 60.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 5.48 and would be 7.62 with a perfect subwoofer.
      • Details: NBD: ON 0.338, LW 0.319, SP 0.315, PIR 0.282; SM: SP0.922, PIR0.7; LFQ 0.746, LFX 45Hz
    • Tonality (Preference) Score is 6.25 with an EQ and would be 8.26 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.334, LW 0.309, SP 0.3, PIR 0.263; SM: SP0.974, PIR0.947; LFQ 0.746, LFX 42Hz
  • Link to Original review.
Adam S2V
AutomaticEQ (IIR)
Set preamp gain to: -2.3dB.
Type Freq Q Gain
3 52.0 0.64 2.21
3 280.0 0.91 1.15
3 447.0 1.55 1.28
3 625.0 2.08 -0.63
3 1948.0 2.88 1.78
3 3930.0 2.86 1.4
3 5135.0 0.58 -1.39
3 8199.0 1.05 0.5
3 11454.0 1.16 -0.5
Download

These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Adam S2V filters_auto_eq

AutomaticEQ

Adam S2V filters_eq_full

Target v.s. EQ

Adam S2V
flipflop@ASR (IIR)
Set preamp gain to: -0.8dB.
Type Freq Q Gain
3 340.0 10.0 0.8
3 400.0 15.0 0.7
3 485.0 10.0 1.5
3 597.0 5.0 -1.5
3 1049.0 1.0 -1.8
3 1370.0 20.0 -0.5
3 1660.0 20.0 0.8
3 2350.0 20.0 -1.2
3 2902.0 4.178 -1.1
3 3979.0 5.0 1.4
3 5886.0 5.0 3.1
3 6702.0 1.0 -3.8
3 7943.0 5.0 3.1
3 8825.0 5.0 -2.7
3 9458.0 5.0 2.8
3 10680.0 10.0 -0.7
3 11866.0 1.0 -1.8
3 11950.0 12.0 0.8
3 17828.0 5.0 -1.6
Download

These EQ is designed by ASR member flipflop.

Adam S2V
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
3 25.0 2.14 0.5
3 40.0 2.14 0.5
3 63.0 2.14 0.25
3 100.0 2.14 0.25
3 160.0 2.14 0.0
3 250.0 2.14 0.25
3 400.0 2.14 0.25
3 630.0 2.14 -0.25
3 1000.0 2.14 -0.25
3 1600.0 2.14 -0.25
3 2500.0 2.14 -0.25
3 4000.0 2.14 -0.25
3 6300.0 2.14 -0.5
3 10000.0 2.14 -0.5
3 16000.0 2.14 -0.5
Download

These EQ is designed for a 15 bands graphical EQ.

Adam S2V
Graphic EQ 31 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.5
3 31.0 4.32 0.5
3 40.0 4.32 0.5
3 50.0 4.32 0.5
3 63.0 4.32 0.25
3 80.0 4.32 0.25
3 100.0 4.32 0.25
3 125.0 4.32 0.25
3 160.0 4.32 0.25
3 200.0 4.32 0.25
3 250.0 4.32 0.25
3 315.0 4.32 0.25
3 400.0 4.32 0.25
3 500.0 4.32 0.25
3 630.0 4.32 -0.25
3 800.0 4.32 0.0
3 1000.0 4.32 -0.25
3 1250.0 4.32 -0.25
3 1600.0 4.32 0.0
3 2000.0 4.32 0.0
3 2500.0 4.32 -0.25
3 3150.0 4.32 -0.25
3 4000.0 4.32 0.0
3 5000.0 4.32 -0.25
3 6300.0 4.32 -0.25
3 8000.0 4.32 -0.25
3 10000.0 4.32 -0.25
3 12000.0 4.32 -0.25
3 16000.0 4.32 -0.25
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Adam S2V: comparison between EQs
Adam S2V

Comparison betweens various EQs

Adam S2V

Improvements made by 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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