What we know about the measurement:

Alcons Audio LR7+LRB is a passive toursound

  • Quality of the measurement data is high.
  • Origin of the data is Alcons Audio.
  • Format of the data is a GLL file .
  • Sensitivity: 108.6dB (avg. 100Hz-1kHz for 2.83V estimated at 1m) . Sensitivity computed at the measurement distance (10m) over the same frequency range: 88.6dB.
  • -3dB (resp. -6db) point v.s. reference is at 41.2Hz (resp. 38.7Hz).
  • Reference level is normalised to -0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.4dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-10.0°, 20.0°) 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 3.14 and would be 4.98 with a perfect subwoofer.
      • Details: NBD: ON 0.815, LW 0.751, SP 0.87, PIR 0.776; SM: SP0.806, PIR0.71; LFQ 1.152, LFX 38Hz
    • Tonality (Preference) Score is 5.18 with an EQ and would be 7.02 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.492, LW 0.408, SP 0.627, PIR 0.448; SM: SP0.833, PIR0.823; LFQ 1.152, LFX 38Hz
  • Note: Configuration with 2 LR7 and 1 LRB.
Alcons Audio LR7+LRB
AutomaticEQ (IIR)
Set preamp gain to: -4.2dB.
Type Freq Q Gain
3 78.0 1.09 -2.97
3 138.0 2.91 2.98
3 271.0 1.06 2.92
3 547.0 2.97 -2.68
3 691.0 1.6 0.91
3 1348.0 2.92 2.68
3 2813.0 2.69 -2.87
3 7173.0 0.59 2.05
3 11454.0 1.29 2.86
Download

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

Alcons Audio LR7+LRB filters_auto_eq

AutomaticEQ

Alcons Audio LR7+LRB filters_eq_full

Target v.s. EQ

Alcons Audio LR7+LRB
Graphic EQ 15 bands
Set preamp gain to: -1.1dB.
Type Freq Q Gain
3 25.0 2.14 0.25
3 40.0 2.14 0.25
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 0.5
3 400.0 2.14 0.0
3 630.0 2.14 0.0
3 1000.0 2.14 0.25
3 1600.0 2.14 0.5
3 2500.0 2.14 0.0
3 4000.0 2.14 0.5
3 6300.0 2.14 0.75
3 10000.0 2.14 1.0
3 16000.0 2.14 0.0
Download

These EQ is designed for a 15 bands graphical EQ.

Alcons Audio LR7+LRB
Graphic EQ 31 bands
Set preamp gain to: -1.0dB.
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 -0.5
3 63.0 4.32 -0.25
3 80.0 4.32 -0.75
3 100.0 4.32 -0.5
3 125.0 4.32 0.0
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 0.25
3 400.0 4.32 0.0
3 500.0 4.32 -0.25
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 0.5
3 1600.0 4.32 0.25
3 2000.0 4.32 0.25
3 2500.0 4.32 0.0
3 3150.0 4.32 0.0
3 4000.0 4.32 0.5
3 5000.0 4.32 0.25
3 6300.0 4.32 0.5
3 8000.0 4.32 0.5
3 10000.0 4.32 0.75
3 12000.0 4.32 0.75
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.

Alcons Audio LR7+LRB: comparison between EQs
Alcons Audio LR7+LRB

Comparison betweens various EQs

Alcons Audio LR7+LRB

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
;