Infinity Primus 360 is a passive floorstanders that cost around 660 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 .
  • Sensitivity:
    • Company: 93 dB
    • Measured: 89.4 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 54.2Hz (resp. 45.4Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.7dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.89 and would be 7.03 with a perfect subwoofer.
      • Details: NBD: ON 0.412, LW 0.393, SP 0.449, PIR 0.391; SM: SP0.8, PIR0.667; LFQ 1.219, LFX 45Hz
    • Tonality (Preference) Score is 6.55 with an EQ and would be 8.33 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.313, LW 0.279, SP 0.314, PIR 0.259; SM: SP0.958, PIR0.948; LFQ 1.219, LFX 37Hz
  • Link to original Review: eac review. Links to other reviews: asr review , yt review , sph review .
Infinity Primus 360

Vendor specifications

  • Impedance 8 Ohm
  • Size
    • Width 208mm
    • Height 990mm
    • Depth 330mm
  • Weight 22kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -3.1dB.
Type Freq Q Gain
PK 38.0 1.14 2.92
PK 88.0 1.65 -2.94
PK 144.0 2.96 -1.91
PK 184.0 0.26 1.27
PK 369.0 2.98 -2.03
PK 2168.0 2.21 1.84
PK 6361.0 0.32 -2.05
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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: -2.0dB.
Type Freq Q Gain
PK 54.0 3.0 2.97
PK 88.0 0.79 -1.6
PK 190.0 2.95 1.12
PK 2168.0 2.43 1.41
PK 3068.0 2.95 -0.68
PK 6361.0 2.9 -0.29
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This EQ optimise for a flat listening window and is a good start for near field listening like on your desk.
Graphic EQ 15 bands
Set preamp gain to: -0.6dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 0.0
PK 100.0 2.14 -0.5
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 0.0
PK 1000.0 2.14 -0.25
PK 1600.0 2.14 0.0
PK 2500.0 2.14 -0.25
PK 4000.0 2.14 -0.25
PK 6300.0 2.14 -0.25
PK 10000.0 2.14 -0.25
PK 16000.0 2.14 0.0
Download
This EQ is designed for a 15 bands graphical EQ.
Graphic EQ 31 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.5
PK 31.0 4.32 0.5
PK 40.0 4.32 0.5
PK 50.0 4.32 0.5
PK 63.0 4.32 0.0
PK 80.0 4.32 -0.25
PK 100.0 4.32 -0.5
PK 125.0 4.32 -0.25
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 0.0
PK 500.0 4.32 0.25
PK 630.0 4.32 0.0
PK 800.0 4.32 0.0
PK 1000.0 4.32 0.0
PK 1250.0 4.32 0.0
PK 1600.0 4.32 0.0
PK 2000.0 4.32 0.25
PK 2500.0 4.32 0.0
PK 3150.0 4.32 0.0
PK 4000.0 4.32 0.0
PK 5000.0 4.32 0.25
PK 6300.0 4.32 0.0
PK 8000.0 4.32 0.0
PK 10000.0 4.32 0.0
PK 12000.0 4.32 0.0
PK 16000.0 4.32 0.25
PK 20000.0 4.32 0.0
Download
This EQ is designed for a 31 bands graphical EQ.
Quick config:
Quick config:
Quick config:
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