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
PK 310.0 2.99 0.82
PK 454.0 2.99 2.36
PK 504.0 3.0 -2.26
PK 1887.0 2.37 -2.61
PK 3289.0 3.0 -2.57
PK 6361.0 2.56 -2.67
PK 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
PK 25.0 2.14 0.0
PK 40.0 2.14 0.0
PK 63.0 2.14 0.0
PK 100.0 2.14 0.0
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 0.25
PK 1000.0 2.14 0.25
PK 1600.0 2.14 -0.25
PK 2500.0 2.14 -0.25
PK 4000.0 2.14 0.0
PK 6300.0 2.14 -0.75
PK 10000.0 2.14 -0.5
PK 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
PK 20.0 4.32 0.0
PK 25.0 4.32 0.0
PK 31.0 4.32 0.0
PK 40.0 4.32 0.0
PK 50.0 4.32 0.0
PK 63.0 4.32 0.0
PK 80.0 4.32 0.0
PK 100.0 4.32 0.0
PK 125.0 4.32 0.0
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 0.25
PK 400.0 4.32 0.25
PK 500.0 4.32 0.0
PK 630.0 4.32 0.25
PK 800.0 4.32 -0.25
PK 1000.0 4.32 0.0
PK 1250.0 4.32 -0.25
PK 1600.0 4.32 -0.25
PK 2000.0 4.32 -0.5
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 -0.25
PK 6300.0 4.32 -0.5
PK 8000.0 4.32 -0.25
PK 10000.0 4.32 -0.25
PK 12000.0 4.32 0.0
PK 16000.0 4.32 -0.25
PK 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
Frequency Frequency with EQ
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