What we know about the measurement:

DB Audiotechnik Q7 is a passive liveportable

  • Quality of the measurement data is medium.
  • Origin of the data is DB Audiotechnik.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 90.0Hz (resp. 65.0Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 5.0dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.92 and would be 5.78 with a perfect subwoofer.
      • Details: NBD: ON 0.614, LW 0.535, SP 0.58, PIR 0.536; SM: SP0.786, PIR0.533; LFQ 1.621, LFX 67Hz
    • Tonality (Preference) Score is 4.61 with an EQ and would be 7.27 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.471, LW 0.432, SP 0.537, PIR 0.457; SM: SP0.947, PIR0.919; LFQ 1.621, LFX 60Hz
  • Note: data computed at 2 meters..
  • Vendor specifications:
    • Dispersion: 75° horizontal and 40° vertical.
    • SPL
      • peak: 134 dB
    • Size
      • Width 308mm
      • Height 580mm
      • Depth 410mm
    • Weight 22.0kg
DB Audiotechnik Q7
AutomaticEQ (IIR)
Set preamp gain to: -3.4dB.
Type Freq Q Gain
PK 60.0 2.76 2.99
PK 117.0 0.66 0.87
PK 197.0 2.99 -1.39
PK 666.0 3.0 2.96
PK 1381.0 2.97 -1.55
PK 6144.0 2.99 1.69
PK 10707.0 0.63 -4.27
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
DB Audiotechnik Q7
Graphic EQ 15 bands
Set preamp gain to: -1.2dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 0.5
PK 100.0 2.14 0.25
PK 160.0 2.14 0.25
PK 250.0 2.14 0.25
PK 400.0 2.14 0.25
PK 630.0 2.14 1.0
PK 1000.0 2.14 0.5
PK 1600.0 2.14 0.5
PK 2500.0 2.14 0.5
PK 4000.0 2.14 0.5
PK 6300.0 2.14 0.5
PK 10000.0 2.14 0.0
PK 16000.0 2.14 0.0
Download
This EQ is designed for a 15 bands graphical EQ.
DB Audiotechnik Q7
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.5
PK 31.0 4.32 0.5
PK 40.0 4.32 0.5
PK 50.0 4.32 0.5
PK 63.0 4.32 0.5
PK 80.0 4.32 0.5
PK 100.0 4.32 0.25
PK 125.0 4.32 0.25
PK 160.0 4.32 0.0
PK 200.0 4.32 0.0
PK 250.0 4.32 0.0
PK 315.0 4.32 0.0
PK 400.0 4.32 0.0
PK 500.0 4.32 0.0
PK 630.0 4.32 0.75
PK 800.0 4.32 0.25
PK 1000.0 4.32 0.0
PK 1250.0 4.32 0.0
PK 1600.0 4.32 0.0
PK 2000.0 4.32 0.25
PK 2500.0 4.32 0.25
PK 3150.0 4.32 0.0
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 -0.25
PK 12000.0 4.32 -0.25
PK 16000.0 4.32 -0.25
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)
DB Audiotechnik Q7: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
;