What we know about the measurement:

RCF ART 715-A MK4 is an active liveportable that cost around 500 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 65.0Hz (resp. 60.0Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.6dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.33 and would be 5.93 with a perfect subwoofer.
      • Details: NBD: ON 0.557, LW 0.578, SP 0.656, PIR 0.581; SM: SP0.697, PIR0.592; LFQ 2.509, LFX 58Hz
    • Tonality (Preference) Score is 4.59 with an EQ and would be 7.01 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.506, LW 0.508, SP 0.558, PIR 0.489; SM: SP0.917, PIR0.887; LFQ 2.509, LFX 52Hz
  • Vendor specifications:
    • Dispersion: 100° horizontal and 60° vertical.
    • SPL
      • peak: 130 dB
    • Size
      • Width 437mm
      • Height 708mm
      • Depth 389mm
    • Weight 19.6kg
RCF ART 715-A MK4
AutomaticEQ (IIR)
Set preamp gain to: -2.2dB.
Type Freq Q Gain
PK 54.0 2.32 2.99
PK 105.0 1.3 -3.38
PK 310.0 1.13 -1.8
PK 1244.0 3.0 2.16
PK 3177.0 2.98 -0.73
PK 10341.0 1.22 -4.65
PK 13652.0 2.49 -5.64
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
RCF ART 715-A MK4
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 0.5
PK 100.0 2.14 -0.5
PK 160.0 2.14 -0.25
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 0.25
PK 6300.0 2.14 0.25
PK 10000.0 2.14 0.0
PK 16000.0 2.14 0.5
Download
This EQ is designed for a 15 bands graphical EQ.
RCF ART 715-A MK4
Graphic EQ 31 bands
Set preamp gain to: -0.7dB.
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 -0.5
PK 125.0 4.32 -0.5
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 -0.25
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 0.0
PK 1250.0 4.32 0.5
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 0.0
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 0.25
PK 12000.0 4.32 -0.25
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 ART 715-A MK4: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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