What we know about the measurement:

Sigberg Audio Manta is an active bookshelves that cost around 5500 USD each.

  • Quality of the measurement data is medium.
  • Origin of the data is Sigberg Audio.
  • Format of the data is a set of 36 horizontal and 36 vertical measurements .
  • -3dB (resp. -6db) point v.s. reference is at 97.4Hz (resp. 78.4Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.4dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.4 and would be 6.83 with a perfect subwoofer.
      • Details: NBD: ON 0.486, LW 0.386, SP 0.404, PIR 0.389; SM: SP0.793, PIR0.659; LFQ 3.14, LFX 90Hz
    • Tonality (Preference) Score is 5.16 with an EQ and would be 8.19 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.319, LW 0.259, SP 0.271, PIR 0.236; SM: SP0.88, PIR0.868; LFQ 3.14, LFX 73Hz
  • Link to original Review: asr review. Links to other reviews: sigbergaudio review , hifipig review .
  • Vendor specifications:
    • SPL
      • peak: 122 dB
    • Size
      • Width 360mm
      • Height 600mm
      • Depth 350 mm)
    • Weight 25 kg
Sigberg Audio Manta
AutomaticEQ (IIR)
Set preamp gain to: -2.7dB.
Type Freq Q Gain
3 80.0 0.8 2.99
3 149.0 2.27 -1.69
3 227.0 1.34 -1.74
3 540.0 2.51 1.53
3 1333.0 2.21 2.99
3 3068.0 2.99 1.89
3 3177.0 0.29 -2.25
Download

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

Sigberg Audio Manta filters_auto_eq

AutomaticEQ

Sigberg Audio Manta 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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