What we know about the measurement:

Wharfedale Pro Delta X10 is a passive liveportable that cost around 640 USD for a pair.

  • Quality of the measurement data is low.
  • Origin of the data is Wharfedale Pro.
  • Format of the data is a GLL file .
  • Sensitivity:
    • Sensitivity: 99.4dB (avg. 100Hz-1kHz for 2.83V estimated at 1m).
    • Sensitivity: 79.4dB computed at the measurement distance (10.0m) over the same frequency range.
  • -3dB (resp. -6db) point v.s. reference is at 100.0Hz (resp. 90.0Hz).
  • Reference level is normalised to 0.8dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 10.1dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-30.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-10.0°, 10.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is -2.13 and would be 1.38 with a perfect subwoofer.
      • Details: NBD: ON 1.205, LW 1.147, SP 1.358, PIR 1.23; SM: SP0.5, PIR0.164; LFQ 1.733, LFX 95Hz
    • Tonality (Preference) Score is 1.77 with an EQ and would be 3.99 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.945, LW 0.913, SP 1.169, PIR 1.004; SM: SP0.835, PIR0.719; LFQ 1.198, LFX 47Hz
Wharfedale Pro Delta X10
AutomaticEQ (IIR)
Set preamp gain to: -3.2dB.
Type Freq Q Gain
3 56.0 1.3 3.0
3 204.0 2.99 3.0
3 621.0 3.0 3.0
3 1586.0 3.0 -4.71
3 2023.0 3.0 3.0
3 5165.0 3.0 -3.92
3 7059.0 0.82 -5.23
Download

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

Wharfedale Pro Delta X10 filters_auto_eq

AutomaticEQ

Wharfedale Pro Delta X10 filters_eq_full

Target v.s. EQ

Wharfedale Pro Delta X10
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 0.25
3 160.0 2.14 0.0
3 250.0 2.14 0.25
3 400.0 2.14 -0.25
3 630.0 2.14 0.75
3 1000.0 2.14 0.0
3 1600.0 2.14 -0.25
3 2500.0 2.14 -0.25
3 4000.0 2.14 -0.75
3 6300.0 2.14 -0.75
3 10000.0 2.14 -0.5
3 16000.0 2.14 -0.25
Download

These EQ is designed for a 15 bands graphical EQ.

Wharfedale Pro Delta X10
Graphic EQ 31 bands
Set preamp gain to: -0.9dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.25
3 31.0 4.32 0.25
3 40.0 4.32 0.25
3 50.0 4.32 0.25
3 63.0 4.32 0.25
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 0.0
3 200.0 4.32 0.25
3 250.0 4.32 0.25
3 315.0 4.32 -0.5
3 400.0 4.32 -0.25
3 500.0 4.32 -0.5
3 630.0 4.32 1.0
3 800.0 4.32 0.0
3 1000.0 4.32 0.0
3 1250.0 4.32 -0.25
3 1600.0 4.32 -0.25
3 2000.0 4.32 0.75
3 2500.0 4.32 -0.25
3 3150.0 4.32 -0.5
3 4000.0 4.32 -0.75
3 5000.0 4.32 -0.75
3 6300.0 4.32 -0.5
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 0.0
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Wharfedale Pro Delta X10: comparison between EQs
Wharfedale Pro Delta X10

Comparison betweens various EQs

Wharfedale Pro Delta X10

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
Frequency Frequency with EQ
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