What we know about the measurement:

RCF HD 12-A MK5 is an active liveportable that cost around 600 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 63.0Hz (resp. 60.0Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.2dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-10.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.36 and would be 6.07 with a perfect subwoofer.
      • Details: NBD: ON 0.415, LW 0.622, SP 0.766, PIR 0.67; SM: SP0.737, PIR0.615; LFQ 2.597, LFX 61Hz
    • Tonality (Preference) Score is 4.36 with an EQ and would be 7.06 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.319, LW 0.512, SP 0.638, PIR 0.539; SM: SP0.863, PIR0.771; LFQ 2.597, LFX 61Hz
  • Vendor specifications:
    • Dispersion: 90° horizontal and 60° vertical.
    • SPL
      • peak: 130 dB
    • Size
      • Width 380mm
      • Height 647mm
      • Depth 380 mm)
    • Weight 18.3 kg
RCF HD 12-A MK5
AutomaticEQ (IIR)
Set preamp gain to: -1.7dB.
Type Freq Q Gain
3 117.0 1.12 -2.25
3 221.0 2.81 0.48
3 478.0 2.59 2.1
3 565.0 2.76 -2.39
3 1032.0 2.86 1.49
3 1704.0 2.0 2.04
3 3008.0 0.93 -1.34
3 3555.0 2.95 2.8
6 8478.0 0.31 -2.66
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

RCF HD 12-A MK5 filters_auto_eq

AutomaticEQ

RCF HD 12-A MK5 filters_eq_full

Target v.s. EQ

RCF HD 12-A MK5
Graphic EQ 15 bands
Set preamp gain to: -1.0dB.
Type Freq Q Gain
3 25.0 2.14 0.75
3 40.0 2.14 0.75
3 63.0 2.14 0.5
3 100.0 2.14 -0.5
3 160.0 2.14 -0.5
3 250.0 2.14 0.0
3 400.0 2.14 0.0
3 630.0 2.14 -0.25
3 1000.0 2.14 0.25
3 1600.0 2.14 0.5
3 2500.0 2.14 0.25
3 4000.0 2.14 0.25
3 6300.0 2.14 0.25
3 10000.0 2.14 0.0
3 16000.0 2.14 0.25
Download

These EQ is designed for a 15 bands graphical EQ.

RCF HD 12-A MK5
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 -0.25
3 100.0 4.32 -0.25
3 125.0 4.32 -0.25
3 160.0 4.32 -0.25
3 200.0 4.32 0.0
3 250.0 4.32 0.25
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 0.25
3 1000.0 4.32 0.25
3 1250.0 4.32 0.25
3 1600.0 4.32 0.5
3 2000.0 4.32 0.25
3 2500.0 4.32 0.25
3 3150.0 4.32 0.5
3 4000.0 4.32 0.25
3 5000.0 4.32 0.5
3 6300.0 4.32 0.5
3 8000.0 4.32 0.25
3 10000.0 4.32 0.0
3 12000.0 4.32 0.0
3 16000.0 4.32 0.25
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

RCF HD 12-A MK5: comparison between EQs
RCF HD 12-A MK5

Comparison betweens various EQs

RCF HD 12-A MK5

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
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