What we know about the measurement:

Infinity R263 is a passive floorstanders that cost around 500 USD for a pair.

  • Quality of the measurement data is medium.
  • Origin of the data is Infinity.
  • Format of the data is a scanned image .
  • Sensitivity: 86.6dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 49.5Hz (resp. 38.0Hz).
  • Reference level is normalised to -0.7dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.1dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 5.88 and would be 7.45 with a perfect subwoofer.
      • Details: NBD: ON 0.358, LW 0.293, SP 0.28, PIR 0.234; SM: SP0.822, PIR0.588; LFQ 1.361, LFX 33Hz
    • Tonality (Preference) Score is 7.19 with an EQ and would be 8.53 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.318, LW 0.248, SP 0.262, PIR 0.193; SM: SP0.964, PIR0.959; LFQ 1.361, LFX 29Hz
Infinity R263
AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
PK 30.0 1.54 2.99
PK 211.0 1.38 0.66
PK 369.0 2.95 1.03
PK 1887.0 2.92 1.87
PK 5347.0 1.25 -1.23
PK 9648.0 2.76 -1.23
PK 16239.0 0.84 -1.79
Download

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

Infinity R263 filters_auto_eq

AutomaticEQ

Infinity R263 filters_eq_full

Target v.s. EQ

Infinity R263
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 -0.25
PK 100.0 2.14 0.0
PK 160.0 2.14 -0.25
PK 250.0 2.14 0.0
PK 400.0 2.14 0.0
PK 630.0 2.14 -0.25
PK 1000.0 2.14 -0.25
PK 1600.0 2.14 -0.25
PK 2500.0 2.14 0.0
PK 4000.0 2.14 -0.5
PK 6300.0 2.14 -0.5
PK 10000.0 2.14 -0.75
PK 16000.0 2.14 -0.75
Download

These EQ is designed for a 15 bands graphical EQ.

Infinity R263
Graphic EQ 31 bands
Set preamp gain to: -1.1dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.75
PK 31.0 4.32 0.75
PK 40.0 4.32 0.75
PK 50.0 4.32 0.75
PK 63.0 4.32 -0.25
PK 80.0 4.32 0.0
PK 100.0 4.32 0.0
PK 125.0 4.32 0.0
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 -0.25
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 -0.25
PK 1250.0 4.32 -0.25
PK 1600.0 4.32 0.0
PK 2000.0 4.32 0.25
PK 2500.0 4.32 0.25
PK 3150.0 4.32 0.25
PK 4000.0 4.32 -0.25
PK 5000.0 4.32 -0.5
PK 6300.0 4.32 -0.25
PK 8000.0 4.32 -0.25
PK 10000.0 4.32 -0.5
PK 12000.0 4.32 -0.25
PK 16000.0 4.32 -0.5
PK 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Infinity R263: comparison between EQs
Infinity R263

Comparison betweens various EQs

Infinity R263

Improvements made by EQ
CEA2034
CEA2034 Normalized
On Axis
Estimated In-Room Response
CEA2034
CEA2034 Normalized
On Axis
Estimated In-Room Response
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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