What we know about the measurement:

Infinity RS152 is a passive surround that cost around 450 USD each.

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 76.9dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 63.0Hz (resp. 58.6Hz).
  • Reference level is normalised to 1.8dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 12.2dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-10.0°, 10.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-10.0°, 10.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Note: The tonality (Preference) score does not make sense for surround speakers. Don't give too much credits to the value.
    • Tonality (Preference) Score is -0.15 and would be 2.37 with a perfect subwoofer.
      • Details: NBD: ON 1.043, LW 1.029, SP 0.962, PIR 0.971; SM: SP0.0, PIR0.082; LFQ 0.758, LFX 55Hz
    • Tonality (Preference) Score is 2.9 with an EQ and would be 5.15 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.762, LW 0.716, SP 0.336, PIR 0.37; SM: SP0.618, PIR0.207; LFQ 0.758, LFX 48Hz
  • Link to Original review.
Infinity RS152
AutomaticEQ (IIR)
Set preamp gain to: -0.0dB.
Type Freq Q Gain
3 126.0 0.34 -3.0
3 6184.0 0.25 -6.0
3 648.0 2.09 2.98
3 1532.0 2.97 2.97
3 10434.0 0.25 -4.09
3 236.0 1.43 -5.26
3 1058.0 3.0 -5.84
3 2591.0 1.85 -3.46
3 1060.0 3.0 -4.97
Download

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

Infinity RS152 filters_auto_eq

AutomaticEQ

Infinity RS152 filters_eq_full

Target v.s. EQ

Infinity RS152
Graphic EQ 15 bands
Set preamp gain to: -1.0dB.
Type Freq Q Gain
3 25.0 2.14 0.0
3 40.0 2.14 0.0
3 63.0 2.14 0.0
3 100.0 2.14 0.0
3 160.0 2.14 -0.25
3 250.0 2.14 -0.5
3 400.0 2.14 0.25
3 630.0 2.14 1.0
3 1000.0 2.14 0.0
3 1600.0 2.14 0.25
3 2500.0 2.14 -0.75
3 4000.0 2.14 -0.75
3 6300.0 2.14 -1.0
3 10000.0 2.14 -0.5
3 16000.0 2.14 0.0
Download

These EQ is designed for a 15 bands graphical EQ.

Infinity RS152
Graphic EQ 31 bands
Set preamp gain to: -0.4dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.0
3 31.0 4.32 0.0
3 40.0 4.32 0.0
3 50.0 4.32 0.0
3 63.0 4.32 0.0
3 80.0 4.32 0.0
3 100.0 4.32 0.0
3 125.0 4.32 -0.25
3 160.0 4.32 -0.25
3 200.0 4.32 -0.5
3 250.0 4.32 -0.5
3 315.0 4.32 -0.25
3 400.0 4.32 0.0
3 500.0 4.32 0.25
3 630.0 4.32 0.5
3 800.0 4.32 0.0
3 1000.0 4.32 -1.0
3 1250.0 4.32 -0.75
3 1600.0 4.32 -0.25
3 2000.0 4.32 -0.75
3 2500.0 4.32 -1.0
3 3150.0 4.32 -1.25
3 4000.0 4.32 -1.0
3 5000.0 4.32 -1.0
3 6300.0 4.32 -1.0
3 8000.0 4.32 -1.0
3 10000.0 4.32 -0.75
3 12000.0 4.32 -0.5
3 16000.0 4.32 -0.5
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Infinity RS152: comparison between EQs
Infinity RS152

Comparison betweens various EQs

Infinity RS152

Improvements made by 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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