What we know about the measurement:

RCF ART 912-A is an active liveportable that cost around 599 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 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.3dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.2 and would be 4.9 with a perfect subwoofer.
      • Details: NBD: ON 0.706, LW 0.682, SP 0.761, PIR 0.698; SM: SP0.647, PIR0.46; LFQ 2.115, LFX 61Hz
    • Tonality (Preference) Score is 4.3 with an EQ and would be 7.04 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.458, LW 0.468, SP 0.578, PIR 0.475; SM: SP0.882, PIR0.831; LFQ 2.115, LFX 63Hz
  • Vendor specifications:
    • Dispersion: 100° horizontal and 60° vertical.
    • SPL
      • peak: 130 dB
    • Size
      • Width 370mm
      • Height 642mm
      • Depth 363 mm)
    • Weight 19.0 kg
RCF ART 912-A
AutomaticEQ (IIR)
Set preamp gain to: -2.5dB.
Type Freq Q Gain
3 129.0 0.65 -2.97
3 200.0 2.99 2.98
3 378.0 2.93 1.41
3 1032.0 2.92 2.58
3 1948.0 2.9 -1.19
3 2461.0 2.87 2.57
3 5135.0 2.89 -2.65
3 8478.0 1.85 -2.73
3 13537.0 0.98 -1.42
Download

These EQ optimise the Harman score and is a good start for far field listening like in your living room.

RCF ART 912-A filters_auto_eq

AutomaticEQ

RCF ART 912-A filters_eq_full

Target v.s. EQ

RCF ART 912-A
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
3 25.0 2.14 0.5
3 40.0 2.14 0.5
3 63.0 2.14 0.5
3 100.0 2.14 -0.5
3 160.0 2.14 -0.25
3 250.0 2.14 0.0
3 400.0 2.14 0.25
3 630.0 2.14 0.0
3 1000.0 2.14 0.5
3 1600.0 2.14 0.25
3 2500.0 2.14 0.5
3 4000.0 2.14 0.0
3 6300.0 2.14 -0.25
3 10000.0 2.14 -0.25
3 16000.0 2.14 0.5
Download

These EQ is designed for a 15 bands graphical EQ.

RCF ART 912-A
Graphic EQ 31 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.5
3 31.0 4.32 0.5
3 40.0 4.32 0.5
3 50.0 4.32 0.5
3 63.0 4.32 0.5
3 80.0 4.32 -0.5
3 100.0 4.32 -0.5
3 125.0 4.32 -0.5
3 160.0 4.32 -0.25
3 200.0 4.32 0.5
3 250.0 4.32 0.0
3 315.0 4.32 0.0
3 400.0 4.32 0.25
3 500.0 4.32 0.0
3 630.0 4.32 0.0
3 800.0 4.32 0.0
3 1000.0 4.32 0.5
3 1250.0 4.32 0.25
3 1600.0 4.32 0.25
3 2000.0 4.32 0.25
3 2500.0 4.32 0.5
3 3150.0 4.32 0.25
3 4000.0 4.32 0.0
3 5000.0 4.32 -0.25
3 6300.0 4.32 -0.25
3 8000.0 4.32 -0.5
3 10000.0 4.32 -0.25
3 12000.0 4.32 -0.25
3 16000.0 4.32 0.5
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

RCF ART 912-A: comparison between EQs
RCF ART 912-A

Comparison betweens various EQs

RCF ART 912-A

Improvements made by EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
;