What we know about the measurement:

Onesystems 208HTC is a passive liveportable that cost around 1400 USD each.

  • Quality of the measurement data is low.
  • Origin of the data is Onesystems.
  • Format of the data is a GLL file .
  • Sensitivity: 114.7dB (avg. 100Hz-1kHz for 2.83V estimated at 1m) . Sensitivity computed at the measurement distance (10m) over the same frequency range: 94.7dB.
  • -3dB (resp. -6db) point v.s. reference is at 118.0Hz (resp. 100.0Hz).
  • Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.7dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) 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 1.94 and would be 5.51 with a perfect subwoofer.
      • Details: NBD: ON 0.588, LW 0.574, SP 0.692, PIR 0.632; SM: SP0.691, PIR0.511; LFQ 1.697, LFX 97Hz
    • Tonality (Preference) Score is 4.58 with an EQ and would be 7.72 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.366, LW 0.307, SP 0.396, PIR 0.329; SM: SP0.906, PIR0.834; LFQ 1.456, LFX 77Hz
Onesystems 208HTC
AutomaticEQ (IIR)
Set preamp gain to: -2.1dB.
Type Freq Q Gain
3 214.0 1.28 -3.0
3 1032.0 2.35 2.86
3 1220.0 0.25 -2.42
3 1948.0 2.98 2.79
3 4345.0 1.2 -1.25
3 5310.0 2.47 -2.64
3 6489.0 0.61 -1.52
3 7930.0 2.9 2.93
5 9372.0 1.24 1.74
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Onesystems 208HTC filters_auto_eq

AutomaticEQ

Onesystems 208HTC filters_eq_full

Target v.s. EQ

Onesystems 208HTC
Graphic EQ 15 bands
Set preamp gain to: -1.2dB.
Type Freq Q Gain
3 25.0 2.14 0.75
3 40.0 2.14 0.75
3 63.0 2.14 0.75
3 100.0 2.14 0.75
3 160.0 2.14 -0.25
3 250.0 2.14 -0.25
3 400.0 2.14 0.0
3 630.0 2.14 0.25
3 1000.0 2.14 1.0
3 1600.0 2.14 0.75
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 0.75
Download

These EQ is designed for a 15 bands graphical EQ.

Onesystems 208HTC
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
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 0.25
3 160.0 4.32 -0.25
3 200.0 4.32 -0.25
3 250.0 4.32 -0.25
3 315.0 4.32 0.0
3 400.0 4.32 0.0
3 500.0 4.32 0.0
3 630.0 4.32 0.25
3 800.0 4.32 0.25
3 1000.0 4.32 0.5
3 1250.0 4.32 0.5
3 1600.0 4.32 0.5
3 2000.0 4.32 0.5
3 2500.0 4.32 0.25
3 3150.0 4.32 0.0
3 4000.0 4.32 -0.25
3 5000.0 4.32 -0.5
3 6300.0 4.32 0.0
3 8000.0 4.32 0.5
3 10000.0 4.32 0.0
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.

Onesystems 208HTC: comparison between EQs
Onesystems 208HTC

Comparison betweens various EQs

Onesystems 208HTC

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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