What we know about the measurement:

RCF NX 912-A is an active liveportable that cost around 899 USD each.

  • Quality of the measurement data is medium.
  • Origin of the data is RCF.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 58.0Hz (resp. 53.0Hz).
  • Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.7dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.23 and would be 5.71 with a perfect subwoofer.
      • Details: NBD: ON 0.584, LW 0.592, SP 0.754, PIR 0.648; SM: SP0.745, PIR0.615; LFQ 2.621, LFX 54Hz
    • Tonality (Preference) Score is 4.94 with an EQ and would be 7.42 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.438, LW 0.396, SP 0.554, PIR 0.434; SM: SP0.934, PIR0.919; LFQ 2.621, LFX 54Hz
  • Vendor specifications:
    • Dispersion: 100° horizontal and 60° vertical.
    • SPL
      • peak: 130 dB
    • Size
      • Width 362mm
      • Height 620mm
      • Depth 405mm
    • Weight 20.8kg
RCF NX 912-A
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
PK 80.0 2.61 -3.73
PK 369.0 0.59 -2.43
PK 522.0 2.99 2.39
PK 1532.0 2.99 2.97
PK 2245.0 1.71 0.9
PK 4495.0 3.0 -3.62
PK 10341.0 0.64 -2.45
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
RCF NX 912-A
Graphic EQ 15 bands
Set preamp gain to: -0.9dB.
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 -0.25
PK 160.0 2.14 0.0
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 0.75
PK 2500.0 2.14 0.5
PK 4000.0 2.14 0.0
PK 6300.0 2.14 0.0
PK 10000.0 2.14 0.25
PK 16000.0 2.14 0.5
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This EQ is designed for a 15 bands graphical EQ.
RCF NX 912-A
Graphic EQ 31 bands
Set preamp gain to: -0.6dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.25
PK 31.0 4.32 0.25
PK 40.0 4.32 0.25
PK 50.0 4.32 0.25
PK 63.0 4.32 0.0
PK 80.0 4.32 -0.25
PK 100.0 4.32 -0.25
PK 125.0 4.32 0.0
PK 160.0 4.32 -0.25
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 0.0
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 0.5
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 -0.25
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 0.5
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)
RCF NX 912-A: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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