What we know about the measurement:

RCF NX 915-A is an active liveportable that cost around 1000 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 53.0Hz (resp. 50.0Hz).
  • Reference level is normalised to 0.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.6dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.27 and would be 4.69 with a perfect subwoofer.
      • Details: NBD: ON 0.646, LW 0.55, SP 0.616, PIR 0.552; SM: SP0.389, PIR0.118; LFQ 3.07, LFX 52Hz
    • Tonality (Preference) Score is 4.96 with an EQ and would be 7.34 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.431, LW 0.402, SP 0.547, PIR 0.436; SM: SP0.921, PIR0.878; LFQ 3.07, LFX 51Hz
  • Vendor specifications:
    • Dispersion: 100° horizontal and 60° vertical.
    • SPL
      • peak: 131 dB
    • Size
      • Width 420mm
      • Height 705mm
      • Depth 451mm
    • Weight 24.1kg
RCF NX 915-A
AutomaticEQ (IIR)
Set preamp gain to: -2.0dB.
Type Freq Q Gain
HS 58.0 0.51 -2.77
PK 320.0 2.79 -2.06
PK 646.0 0.32 2.89
PK 790.0 2.96 1.95
PK 1103.0 2.92 -1.09
PK 1348.0 2.52 2.9
PK 5870.0 2.98 2.33
PK 7173.0 0.9 -2.66
PK 12246.0 1.17 -2.79
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
RCF NX 915-A
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 0.0
PK 100.0 2.14 -0.25
PK 160.0 2.14 -0.25
PK 250.0 2.14 -0.25
PK 400.0 2.14 -0.25
PK 630.0 2.14 0.0
PK 1000.0 2.14 0.0
PK 1600.0 2.14 0.25
PK 2500.0 2.14 -0.25
PK 4000.0 2.14 -0.5
PK 6300.0 2.14 -0.5
PK 10000.0 2.14 -1.0
PK 16000.0 2.14 0.25
Download
This EQ is designed for a 15 bands graphical EQ.
RCF NX 915-A
Graphic EQ 31 bands
Set preamp gain to: -0.3dB.
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 -0.25
PK 80.0 4.32 -0.25
PK 100.0 4.32 -0.25
PK 125.0 4.32 -0.25
PK 160.0 4.32 -0.25
PK 200.0 4.32 -0.25
PK 250.0 4.32 -0.25
PK 315.0 4.32 -0.5
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 0.0
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 -0.5
PK 5000.0 4.32 -0.5
PK 6300.0 4.32 -0.5
PK 8000.0 4.32 -0.75
PK 10000.0 4.32 -0.75
PK 12000.0 4.32 -0.75
PK 16000.0 4.32 -0.25
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 915-A: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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