Andersson HIS 2.1 is a passive center that cost around 20 USD

  • Quality of the measurement data is low.
  • Origin of the data is Misc.
  • Format of the data is a set of 36 horizontal and 36 vertical measurements .
  • Sensitivity:
    • Company: 89 dB
    • Measured: 75.4 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 99.3Hz (resp. 59.1Hz).
  • Reference level is normalised to 0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.0dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 1.52 and would be 3.93 with a perfect subwoofer.
      • Details: NBD: ON 0.941, LW 0.665, SP 0.799, PIR 0.734; SM: SP0.578, PIR0.341; LFQ 0.864, LFX 52Hz
    • Tonality (Preference) Score is 5.35 with an EQ and would be 7.74 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.511, LW 0.303, SP 0.365, PIR 0.286; SM: SP0.95, PIR0.942; LFQ 0.864, LFX 51Hz
  • Link to original Review: asr review. .
Andersson HIS 2.1

Vendor specifications

  • Impedance 8 Ohm
  • Size
    • Width 460mm
    • Height 160mm
    • Depth 190mm
  • Weight 4.0kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -1.6dB.
Type Freq Q Gain
PK 102.0 2.99 3.0
PK 149.0 1.95 -8.95
PK 454.0 0.92 2.04
PK 1244.0 2.99 -3.45
PK 2023.0 2.95 3.0
PK 2862.0 1.14 -1.94
PK 10707.0 1.05 -7.45
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This EQ optimise the Harman score and is a good start for far field listening like in your living room.
AutomaticEQ LW (IIR)
Set preamp gain to: -4.6dB.
Type Freq Q Gain
PK 102.0 3.0 3.0
PK 155.0 1.86 -9.0
PK 879.0 0.25 1.96
PK 1954.0 3.0 2.99
PK 9989.0 1.37 -2.88
PK 11882.0 2.41 -2.13
Download
This EQ optimise for a flat listening window and is a good start for near field listening like on your desk.
Quick config:
Quick config:
Quick config:
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