What we know about the measurement:

Revel C205 is a passive center

  • Quality of the measurement data is low.
  • Origin of the data is Revel.
  • Format of the data is a scanned image .
  • Sensitivity: 87.9dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 91.6Hz (resp. 60.9Hz).
  • Reference level is normalised to 1.1dB 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 4.59 and would be 7.27 with a perfect subwoofer.
      • Details: NBD: ON 0.365, LW 0.271, SP 0.336, PIR 0.286; SM: SP0.752, PIR0.585; LFQ 1.537, LFX 60Hz
    • Tonality (Preference) Score is 6.36 with an EQ and would be 8.68 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.318, LW 0.215, SP 0.229, PIR 0.162; SM: SP0.97, PIR0.981; LFQ 1.537, LFX 50Hz
  • Link to Original review.
Revel C205
AutomaticEQ (IIR)
Set preamp gain to: -2.6dB.
Type Freq Q Gain
5 92.0 1.92 2.66
3 5941.0 0.88 -2.71
3 167.0 1.98 -1.04
3 1435.0 2.66 1.59
3 584.0 2.92 1.53
3 11769.0 2.97 -0.85
3 292.0 2.92 -0.75
3 2527.0 2.98 -0.98
3 10786.0 2.98 -0.75
Download

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

Revel C205 filters_auto_eq

AutomaticEQ

Revel C205 filters_eq_full

Target v.s. EQ

Revel C205
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
3 25.0 2.14 0.5
3 40.0 2.14 0.5
3 63.0 2.14 0.5
3 100.0 2.14 0.25
3 160.0 2.14 -0.25
3 250.0 2.14 0.0
3 400.0 2.14 0.0
3 630.0 2.14 0.25
3 1000.0 2.14 0.0
3 1600.0 2.14 0.25
3 2500.0 2.14 -0.25
3 4000.0 2.14 -0.25
3 6300.0 2.14 -0.5
3 10000.0 2.14 -0.25
3 16000.0 2.14 0.0
Download

These EQ is designed for a 15 bands graphical EQ.

Revel C205
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.5
3 31.0 4.32 0.5
3 40.0 4.32 0.5
3 50.0 4.32 0.5
3 63.0 4.32 0.5
3 80.0 4.32 0.5
3 100.0 4.32 0.25
3 125.0 4.32 0.0
3 160.0 4.32 -0.25
3 200.0 4.32 0.0
3 250.0 4.32 0.0
3 315.0 4.32 0.0
3 400.0 4.32 0.0
3 500.0 4.32 0.0
3 630.0 4.32 0.25
3 800.0 4.32 0.25
3 1000.0 4.32 0.0
3 1250.0 4.32 0.25
3 1600.0 4.32 0.25
3 2000.0 4.32 0.0
3 2500.0 4.32 -0.25
3 3150.0 4.32 -0.25
3 4000.0 4.32 -0.25
3 5000.0 4.32 -0.5
3 6300.0 4.32 -0.5
3 8000.0 4.32 -0.25
3 10000.0 4.32 -0.25
3 12000.0 4.32 -0.25
3 16000.0 4.32 0.0
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Revel C205: comparison between EQs
Revel C205

Comparison betweens various EQs

Revel C205

Improvements made by EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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