What we know about the measurement:

LD Systems Stinger 28-A-G3 is an active liveportable that cost around 770 USD each.

  • Quality of the measurement data is medium.
  • Origin of the data is LD Systems.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 56.0Hz (resp. 51.5Hz).
  • Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.7dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 1.5 and would be 3.98 with a perfect subwoofer.
      • Details: NBD: ON 0.825, LW 0.729, SP 0.712, PIR 0.697; SM: SP0.502, PIR0.19; LFQ 1.228, LFX 54Hz
    • Tonality (Preference) Score is 4.16 with an EQ and would be 6.69 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.615, LW 0.533, SP 0.534, PIR 0.494; SM: SP0.905, PIR0.871; LFQ 1.228, LFX 56Hz
  • Note: measured with broadband noise at 2m..
  • Vendor specifications:
    • Dispersion: 90° horizontal and 50° vertical.
    • SPL
      • peak: 131 dB
    • Size
      • Width 270mm
      • Height 756mm
      • Depth 290mm
    • Weight 20.5kg
LD Systems Stinger 28-A-G3
AutomaticEQ (IIR)
Set preamp gain to: -3.1dB.
Type Freq Q Gain
PK 84.0 1.3 -2.99
PK 207.0 2.98 2.86
PK 331.0 2.96 1.81
PK 584.0 2.99 2.78
PK 714.0 2.89 -2.99
PK 1180.0 2.29 2.66
PK 1884.0 1.86 2.98
PK 2302.0 2.97 -2.9
HS 4803.0 0.98 -2.7
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
LD Systems Stinger 28-A-G3
Graphic EQ 15 bands
Set preamp gain to: -0.6dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 -0.25
PK 100.0 2.14 -0.5
PK 160.0 2.14 0.0
PK 250.0 2.14 0.25
PK 400.0 2.14 0.25
PK 630.0 2.14 0.0
PK 1000.0 2.14 0.5
PK 1600.0 2.14 0.5
PK 2500.0 2.14 0.0
PK 4000.0 2.14 0.0
PK 6300.0 2.14 -0.25
PK 10000.0 2.14 -0.25
PK 16000.0 2.14 -0.25
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This EQ is designed for a 15 bands graphical EQ.
LD Systems Stinger 28-A-G3
Graphic EQ 31 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.25
PK 31.0 4.32 0.25
PK 40.0 4.32 0.25
PK 50.0 4.32 0.25
PK 63.0 4.32 -0.25
PK 80.0 4.32 -0.5
PK 100.0 4.32 -0.25
PK 125.0 4.32 0.0
PK 160.0 4.32 0.0
PK 200.0 4.32 0.5
PK 250.0 4.32 0.25
PK 315.0 4.32 0.25
PK 400.0 4.32 0.25
PK 500.0 4.32 0.25
PK 630.0 4.32 0.0
PK 800.0 4.32 0.0
PK 1000.0 4.32 0.5
PK 1250.0 4.32 0.5
PK 1600.0 4.32 0.5
PK 2000.0 4.32 0.25
PK 2500.0 4.32 0.0
PK 3150.0 4.32 0.25
PK 4000.0 4.32 0.0
PK 5000.0 4.32 0.0
PK 6300.0 4.32 -0.25
PK 8000.0 4.32 0.0
PK 10000.0 4.32 0.0
PK 12000.0 4.32 -0.25
PK 16000.0 4.32 0.0
PK 20000.0 4.32 0.0
Download
This EQ is designed for a 31 bands graphical EQ.
Improvement made by adding the above EQ
EQ
AutoEQ
Target v.s. EQ
Target v.s. EQ
Histogram of errors
On Axis (fullrange)
Listening Window (fullrange)
Predicted In-Room Response (fullrange)
LD Systems Stinger 28-A-G3: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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