What we know about the measurement:

Adam T7V is an active bookshelves that cost around 190 USD each.

  • Quality of the measurement data is low.
  • Origin of the data is Misc.
  • Format of the data is a scanned image .
  • -3dB (resp. -6db) point v.s. reference is at 200.0Hz (resp. 200.0Hz).
  • Reference level is normalised to 0.7dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.4dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 1.09 and would be 6.01 with a perfect subwoofer.
      • Details: NBD: ON 0.506, LW 0.518, SP 0.543, PIR 0.489; SM: SP0.833, PIR0.452; LFQ 10.0, LFX 200Hz
    • Tonality (Preference) Score is 3.11 with an EQ and would be 8.02 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.348, LW 0.312, SP 0.395, PIR 0.28; SM: SP0.958, PIR0.881; LFQ 10.0, LFX 200Hz
  • Link to Original review.
  • Note: done by James Larson in free air.
Adam T7V
AutomaticEQ (IIR)
Set preamp gain to: -1.1dB.
Type Freq Q Gain
3 310.0 2.99 0.82
3 454.0 2.99 2.36
3 504.0 3.0 -2.26
3 1887.0 2.37 -2.61
3 3289.0 3.0 -2.57
3 6361.0 2.56 -2.67
3 9648.0 1.47 -2.58
Download

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

Adam T7V filters_auto_eq

AutomaticEQ

Adam T7V filters_eq_full

Target v.s. EQ

Adam T7V
Graphic EQ 15 bands
Set preamp gain to: -0.4dB.
Type Freq Q Gain
3 25.0 2.14 0.0
3 40.0 2.14 0.0
3 63.0 2.14 0.0
3 100.0 2.14 0.0
3 160.0 2.14 0.0
3 250.0 2.14 0.25
3 400.0 2.14 0.25
3 630.0 2.14 0.25
3 1000.0 2.14 0.25
3 1600.0 2.14 -0.25
3 2500.0 2.14 -0.25
3 4000.0 2.14 0.0
3 6300.0 2.14 -0.75
3 10000.0 2.14 -0.5
3 16000.0 2.14 -0.5
Download

These EQ is designed for a 15 bands graphical EQ.

Adam T7V
Graphic EQ 31 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.0
3 31.0 4.32 0.0
3 40.0 4.32 0.0
3 50.0 4.32 0.0
3 63.0 4.32 0.0
3 80.0 4.32 0.0
3 100.0 4.32 0.0
3 125.0 4.32 0.0
3 160.0 4.32 0.0
3 200.0 4.32 0.0
3 250.0 4.32 0.0
3 315.0 4.32 0.25
3 400.0 4.32 0.25
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 0.0
3 1250.0 4.32 -0.25
3 1600.0 4.32 -0.25
3 2000.0 4.32 -0.5
3 2500.0 4.32 0.0
3 3150.0 4.32 -0.25
3 4000.0 4.32 0.0
3 5000.0 4.32 -0.25
3 6300.0 4.32 -0.5
3 8000.0 4.32 -0.25
3 10000.0 4.32 -0.25
3 12000.0 4.32 0.0
3 16000.0 4.32 -0.25
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Adam T7V: comparison between EQs
Adam T7V

Comparison betweens various EQs

Adam T7V

Improvements made by EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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