What we know about the measurement:

Thomann Swissonic A306 is an active bookshelves that cost around 250 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 43.9Hz (resp. 39.6Hz).
  • Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.8dB 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°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 5.39 and would be 7.27 with a perfect subwoofer.
      • Details: NBD: ON 0.437, LW 0.396, SP 0.407, PIR 0.368; SM: SP0.918, PIR0.765; LFQ 0.907, LFX 39Hz
    • Tonality (Preference) Score is 6.47 with an EQ and would be 8.13 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.352, LW 0.322, SP 0.319, PIR 0.272; SM: SP0.957, PIR0.92; LFQ 0.907, LFX 35Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
  • Note: Treble was set at -2dB..
  • Vendor specifications:
    • Size
      • Width 224mm
      • Height 361mm
      • Depth 282 mm)
    • Weight 6.17 kg
Thomann Swissonic A306
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
3 34.0 2.03 3.0
3 83.0 1.69 -2.28
3 522.0 1.16 2.22
3 910.0 1.73 -2.3
3 3779.0 1.02 -0.15
3 5165.0 1.06 -1.34
3 12736.0 3.0 -1.77
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Thomann Swissonic A306 filters_auto_eq

AutomaticEQ

Thomann Swissonic A306 filters_eq_full

Target v.s. 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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