What we know about the measurement:

RCF ART 735-A MK4 is an active liveportable that cost around 888 USD each.

  • Quality of the measurement data is low.
  • 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. 48.7Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.4dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.52 and would be 6.89 with a perfect subwoofer.
      • Details: NBD: ON 0.4, LW 0.438, SP 0.554, PIR 0.498; SM: SP0.845, PIR0.733; LFQ 3.512, LFX 51Hz
    • Tonality (Preference) Score is 5.45 with an EQ and would be 7.77 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.311, LW 0.347, SP 0.421, PIR 0.369; SM: SP0.934, PIR0.848; LFQ 3.512, LFX 49Hz
  • Vendor specifications:
    • Dispersion: 100° horizontal and 60° vertical.
    • SPL
      • peak: 132 dB
    • Size
      • Width 437mm
      • Height 708mm
      • Depth 389mm
    • Weight 21.4kg
RCF ART 735-A MK4
AutomaticEQ (IIR)
Set preamp gain to: -2.7dB.
Type Freq Q Gain
LS 53.0 0.93 2.92
PK 117.0 0.82 -2.83
PK 280.0 2.26 -2.51
PK 378.0 2.34 -2.31
PK 529.0 0.41 2.08
PK 1103.0 2.55 -1.7
PK 2082.0 0.41 0.79
PK 7930.0 2.78 1.21
PK 10020.0 1.28 -2.38
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This EQ optimise the Harman score and is a good start for far field listening like in your living room.
RCF ART 735-A MK4
Graphic EQ 15 bands
Set preamp gain to: -1.0dB.
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 0.0
PK 160.0 2.14 0.0
PK 250.0 2.14 -0.25
PK 400.0 2.14 0.0
PK 630.0 2.14 0.5
PK 1000.0 2.14 0.25
PK 1600.0 2.14 0.5
PK 2500.0 2.14 0.75
PK 4000.0 2.14 0.5
PK 6300.0 2.14 0.5
PK 10000.0 2.14 0.0
PK 16000.0 2.14 0.75
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This EQ is designed for a 15 bands graphical EQ.
RCF ART 735-A MK4
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 0.25
PK 80.0 4.32 -0.25
PK 100.0 4.32 0.0
PK 125.0 4.32 -0.25
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 0.0
PK 400.0 4.32 0.0
PK 500.0 4.32 0.25
PK 630.0 4.32 0.25
PK 800.0 4.32 0.5
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 0.5
PK 2500.0 4.32 0.5
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 0.25
PK 8000.0 4.32 0.25
PK 10000.0 4.32 0.0
PK 12000.0 4.32 0.0
PK 16000.0 4.32 0.75
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 ART 735-A MK4: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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