What we know about the measurement:

Turbosound TBV123 is a passive toursound that cost around 2600 USD each.

  • Quality of the measurement data is low.
  • Origin of the data is Turbosound.
  • Format of the data is a GLL file .
  • Sensitivity: 130.7dB (avg. 100Hz-1kHz for 2.83V estimated at 1m) . Sensitivity computed at the measurement distance (10m) over the same frequency range: 110.7dB.
  • -3dB (resp. -6db) point v.s. reference is at 46.2Hz (resp. 40.0Hz).
  • Reference level is normalised to -5.6dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 5.8dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-20.0°, 20.0°) 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
    • Note: The tonality (Preference) score does not make sense for toursound speakers. Don't give too much credits to the value.
    • Tonality (Preference) Score is 4.35 and would be 6.13 with a perfect subwoofer.
      • Details: NBD: ON 0.637, LW 0.669, SP 0.732, PIR 0.693; SM: SP0.916, PIR0.909; LFQ 2.109, LFX 37Hz
    • Tonality (Preference) Score is 5.36 with an EQ and would be 7.2 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.477, LW 0.508, SP 0.53, PIR 0.501; SM: SP0.975, PIR0.952; LFQ 2.109, LFX 38Hz
  • Note: TODO: add exact config.
  • Vendor specifications:
    • Dispersion: 100° horizontal and 15° vertical.
    • Sensitivity 97 dB
    • Impedance 6 Ohm
    • SPL
      • continuous: 125 dB
      • peak: 131 dB
    • Size
      • Width 598mm
      • Height 344mm
      • Depth 399 mm)
    • Weight 22.0 kg
Turbosound TBV123
AutomaticEQ (IIR)
Set preamp gain to: -8.1dB.
Type Freq Q Gain
3 46.0 1.27 2.99
3 99.0 1.3 -3.0
3 181.0 0.48 -2.99
3 299.0 2.98 3.0
3 903.0 2.82 2.99
3 1348.0 1.24 2.98
3 2226.0 3.0 2.76
3 7930.0 0.25 3.0
5 16000.0 1.07 2.61
Download

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

Turbosound TBV123 filters_auto_eq

AutomaticEQ

Turbosound TBV123 filters_eq_full

Target v.s. EQ

Turbosound TBV123
Graphic EQ 15 bands
Set preamp gain to: -1.8dB.
Type Freq Q Gain
3 25.0 2.14 0.25
3 40.0 2.14 0.25
3 63.0 2.14 0.25
3 100.0 2.14 -0.25
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 1.0
3 2500.0 2.14 1.25
3 4000.0 2.14 1.25
3 6300.0 2.14 1.25
3 10000.0 2.14 1.5
3 16000.0 2.14 1.5
Download

These EQ is designed for a 15 bands graphical EQ.

Turbosound TBV123
Graphic EQ 31 bands
Set preamp gain to: -2.0dB.
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 0.75
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 -0.25
3 200.0 4.32 0.0
3 250.0 4.32 0.25
3 315.0 4.32 0.5
3 400.0 4.32 0.0
3 500.0 4.32 0.25
3 630.0 4.32 0.25
3 800.0 4.32 0.75
3 1000.0 4.32 1.0
3 1250.0 4.32 1.0
3 1600.0 4.32 1.0
3 2000.0 4.32 1.0
3 2500.0 4.32 1.25
3 3150.0 4.32 1.0
3 4000.0 4.32 1.25
3 5000.0 4.32 1.0
3 6300.0 4.32 1.25
3 8000.0 4.32 1.5
3 10000.0 4.32 1.5
3 12000.0 4.32 1.25
3 16000.0 4.32 1.5
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Turbosound TBV123: comparison between EQs
Turbosound TBV123

Comparison betweens various EQs

Turbosound TBV123

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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