What we know about the measurement:

RCF NX 985-A is an active liveportable that cost around 1840 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 43.7Hz (resp. 40.0Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.2dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.55 and would be 4.5 with a perfect subwoofer.
      • Details: NBD: ON 0.658, LW 0.672, SP 0.787, PIR 0.712; SM: SP0.487, PIR0.254; LFQ 2.956, LFX 41Hz
    • Tonality (Preference) Score is 5.31 with an EQ and would be 7.15 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.47, LW 0.429, SP 0.483, PIR 0.417; SM: SP0.884, PIR0.812; LFQ 2.956, LFX 38Hz
  • Vendor specifications:
    • Dispersion: 100° horizontal and 60° vertical.
    • SPL
      • peak: 138 dB
    • Size
      • Width 461mm
      • Height 1075mm
      • Depth 475mm
    • Weight 45.0kg
RCF NX 985-A
AutomaticEQ (IIR)
Set preamp gain to: -2.4dB.
Type Freq Q Gain
PK 77.0 2.26 -3.0
PK 1731.0 1.56 3.0
PK 5361.0 2.99 -5.99
PK 210.0 3.0 -1.67
PK 567.0 2.99 -1.92
PK 12395.0 1.01 -3.23
PK 5374.0 3.0 -4.83
PK 2989.0 3.0 -2.7
PK 2992.0 3.0 -2.24
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
RCF NX 985-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 -0.5
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 0.25
PK 630.0 2.14 0.0
PK 1000.0 2.14 0.25
PK 1600.0 2.14 0.5
PK 2500.0 2.14 0.0
PK 4000.0 2.14 0.0
PK 6300.0 2.14 -0.5
PK 10000.0 2.14 -0.25
PK 16000.0 2.14 0.0
Download
This EQ is designed for a 15 bands graphical EQ.
RCF NX 985-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 0.0
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 -0.25
PK 200.0 4.32 -0.25
PK 250.0 4.32 0.0
PK 315.0 4.32 0.0
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 0.0
PK 1250.0 4.32 0.0
PK 1600.0 4.32 0.5
PK 2000.0 4.32 0.5
PK 2500.0 4.32 -0.25
PK 3150.0 4.32 -0.25
PK 4000.0 4.32 0.0
PK 5000.0 4.32 -0.5
PK 6300.0 4.32 -0.5
PK 8000.0 4.32 0.25
PK 10000.0 4.32 0.0
PK 12000.0 4.32 -0.25
PK 16000.0 4.32 0.0
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)
RCF NX 985-A: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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