What we know about the measurement:

Selah Audio RC3R is a passive bookshelves that cost around 1300 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 79.8Hz (resp. 56.4Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.3dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.53 and would be 7.07 with a perfect subwoofer.
      • Details: NBD: ON 0.384, LW 0.377, SP 0.35, PIR 0.317; SM: SP0.848, PIR0.56; LFQ 0.455, LFX 56Hz
    • Tonality (Preference) Score is 6.82 with an EQ and would be 8.27 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.303, LW 0.298, SP 0.312, PIR 0.258; SM: SP0.965, PIR0.913; LFQ 0.325, LFX 31Hz
  • Link to Original review.
Selah Audio RC3R
AutomaticEQ (IIR)
Set preamp gain to: -5.7dB.
Type Freq Q Gain
LS 79.0 0.86 2.98
PK 354.0 0.25 -2.87
PK 547.0 2.59 2.1
PK 739.0 0.68 -1.44
PK 998.0 1.6 2.41
PK 1762.0 1.25 -1.2
PK 4966.0 0.29 -2.52
PK 11454.0 0.33 -2.62
LS 14965.0 0.83 2.85
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Selah Audio RC3R
flipflop@ASR (IIR)
Set preamp gain to: -2.0dB.
Type Freq Q Gain
PK 380.0 15.0 -0.5
PK 560.0 2.488 1.8
PK 724.0 1.0 -0.6
PK 864.0 4.8 1.5
PK 1117.0 6.0 2.2
PK 2143.0 2.236 -1.2
PK 2920.0 5.2 -1.1
PK 3840.0 5.0 0.9
PK 5102.0 4.5 -1.5
PK 5890.0 8.0 0.6
PK 7150.0 4.0 -2.3
PK 7960.0 6.0 2.4
PK 9595.0 1.0 -1.3
PK 11018.0 1.0 -2.2
PK 11180.0 10.0 -0.6
PK 12200.0 7.5 0.9
PK 15650.0 5.0 -2.9
PK 16763.0 5.0 -2.4
PK 17992.0 5.0 -4.8
LP 20000.0 0.7071067811865475 0.0
Download
This EQ is designed by ASR member flipflop.
Selah Audio RC3R
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 0.5
PK 100.0 2.14 0.25
PK 160.0 2.14 0.0
PK 250.0 2.14 -0.25
PK 400.0 2.14 -0.25
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 -0.5
PK 4000.0 2.14 -0.25
PK 6300.0 2.14 -0.75
PK 10000.0 2.14 -1.0
PK 16000.0 2.14 -1.0
Download
This EQ is designed for a 15 bands graphical EQ.
Selah Audio RC3R
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
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 0.5
PK 80.0 4.32 0.5
PK 100.0 4.32 0.25
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 -0.25
PK 315.0 4.32 -0.25
PK 400.0 4.32 -0.25
PK 500.0 4.32 0.0
PK 630.0 4.32 -0.25
PK 800.0 4.32 -0.25
PK 1000.0 4.32 -0.25
PK 1250.0 4.32 -0.25
PK 1600.0 4.32 -0.25
PK 2000.0 4.32 -0.25
PK 2500.0 4.32 -0.5
PK 3150.0 4.32 -0.5
PK 4000.0 4.32 -0.25
PK 5000.0 4.32 -0.5
PK 6300.0 4.32 -0.75
PK 8000.0 4.32 -0.5
PK 10000.0 4.32 -0.75
PK 12000.0 4.32 -0.75
PK 16000.0 4.32 -1.0
PK 20000.0 4.32 0.0
Download
This EQ is designed for a 31 bands graphical EQ.
Improvement made by adding the above EQ
EQ
AutoEQ
Target v.s. EQ
Target v.s. EQ
Histogram of errors
On Axis (fullrange)
Listening Window (fullrange)
Predicted In-Room Response (fullrange)
Selah Audio RC3R: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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