What we know about the measurement:

Audio Engine A2 is an active bookshelves that cost around 200 USD for a pair.

  • Quality of the measurement data is low.
  • Origin of the data is Misc.
  • Format of the data is a scanned image .
  • -3dB (resp. -6db) point v.s. reference is at 98.8Hz (resp. 82.0Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.1dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 1.94 and would be 5.2 with a perfect subwoofer.
      • Details: NBD: ON 0.568, LW 0.506, SP 0.592, PIR 0.534; SM: SP0.515, PIR0.228; LFQ 0.0, LFX 82Hz
    • Tonality (Preference) Score is 5.3 with an EQ and would be 8.13 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.305, LW 0.259, SP 0.366, PIR 0.286; SM: SP0.935, PIR0.89; LFQ 0.0, LFX 65Hz
  • Link to Original review.
Audio Engine A2
AutomaticEQ (IIR)
Set preamp gain to: -2.7dB.
Type Freq Q Gain
PK 67.0 1.21 2.98
PK 102.0 2.31 2.98
PK 178.0 1.03 -5.36
PK 332.0 1.31 -3.06
PK 560.0 0.84 2.99
PK 8110.0 2.72 -1.91
PK 16239.0 0.26 -5.04
Download

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

Audio Engine A2 filters_auto_eq

AutomaticEQ

Audio Engine A2 filters_eq_full

Target v.s. EQ

Audio Engine A2
Graphic EQ 15 bands
Set preamp gain to: -0.5dB.
Type Freq Q Gain
PK 25.0 2.14 0.0
PK 40.0 2.14 0.0
PK 63.0 2.14 0.0
PK 100.0 2.14 0.0
PK 160.0 2.14 0.0
PK 250.0 2.14 0.0
PK 400.0 2.14 -0.25
PK 630.0 2.14 0.25
PK 1000.0 2.14 0.5
PK 1600.0 2.14 -0.25
PK 2500.0 2.14 -0.25
PK 4000.0 2.14 0.0
PK 6300.0 2.14 -0.25
PK 10000.0 2.14 -0.5
PK 16000.0 2.14 -0.5
Download

These EQ is designed for a 15 bands graphical EQ.

Audio Engine A2
Graphic EQ 31 bands
Set preamp gain to: -0.6dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.0
PK 31.0 4.32 0.0
PK 40.0 4.32 0.0
PK 50.0 4.32 0.0
PK 63.0 4.32 0.0
PK 80.0 4.32 0.0
PK 100.0 4.32 0.0
PK 125.0 4.32 0.0
PK 160.0 4.32 0.0
PK 200.0 4.32 0.0
PK 250.0 4.32 0.0
PK 315.0 4.32 0.0
PK 400.0 4.32 -0.25
PK 500.0 4.32 0.0
PK 630.0 4.32 0.25
PK 800.0 4.32 0.25
PK 1000.0 4.32 0.5
PK 1250.0 4.32 0.25
PK 1600.0 4.32 -0.25
PK 2000.0 4.32 -0.25
PK 2500.0 4.32 -0.25
PK 3150.0 4.32 -0.25
PK 4000.0 4.32 0.0
PK 5000.0 4.32 -0.25
PK 6300.0 4.32 -0.25
PK 8000.0 4.32 -0.5
PK 10000.0 4.32 -0.5
PK 12000.0 4.32 -0.5
PK 16000.0 4.32 -0.5
PK 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Audio Engine A2: comparison between EQs
Audio Engine A2

Comparison betweens various EQs

Audio Engine A2

Improvements made by EQ

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