What we know about the measurement:

GGNTKT M1 is an active bookshelves that cost around 5900 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is GGNTKT.
  • Format of the data is a scanned image .
  • -3dB (resp. -6db) point v.s. reference is at 33.8Hz (resp. 31.3Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.5dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 6.99 and would be 8.35 with a perfect subwoofer.
      • Details: NBD: ON 0.24, LW 0.256, SP 0.314, PIR 0.269; SM: SP0.879, PIR0.895; LFQ 0.851, LFX 30Hz
    • Tonality (Preference) Score is 7.51 with an EQ and would be 8.82 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.176, LW 0.176, SP 0.255, PIR 0.192; SM: SP0.911, PIR0.929; LFQ 0.851, LFX 29Hz
  • Link to original Review: asr review. Links to other reviews: ggntkt review .
GGNTKT M1
AutomaticEQ (IIR)
Set preamp gain to: -2.4dB.
Type Freq Q Gain
LS 33.0 0.6 2.97
PK 60.0 1.4 -2.2
PK 93.0 0.6 -0.93
PK 280.0 2.17 -1.53
PK 494.0 2.33 -0.43
PK 1103.0 1.54 0.85
PK 2909.0 2.98 1.72
PK 5310.0 1.24 0.3
LS 12662.0 0.51 0.05
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

GGNTKT M1 filters_auto_eq

AutomaticEQ

GGNTKT M1 filters_eq_full

Target v.s. EQ

GGNTKT M1
Graphic EQ 15 bands
Set preamp gain to: -0.5dB.
Type Freq Q Gain
PK 25.0 2.14 0.25
PK 40.0 2.14 -0.25
PK 63.0 2.14 -0.5
PK 100.0 2.14 -0.5
PK 160.0 2.14 -0.5
PK 250.0 2.14 -0.5
PK 400.0 2.14 -0.25
PK 630.0 2.14 0.0
PK 1000.0 2.14 0.25
PK 1600.0 2.14 0.0
PK 2500.0 2.14 0.25
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 0.5
Download

These EQ is designed for a 15 bands graphical EQ.

GGNTKT M1
Graphic EQ 31 bands
Set preamp gain to: -0.5dB.
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 -0.5
PK 63.0 4.32 -0.5
PK 80.0 4.32 -0.5
PK 100.0 4.32 -0.5
PK 125.0 4.32 -0.5
PK 160.0 4.32 -0.5
PK 200.0 4.32 -0.5
PK 250.0 4.32 -0.5
PK 315.0 4.32 -0.5
PK 400.0 4.32 -0.25
PK 500.0 4.32 0.0
PK 630.0 4.32 0.0
PK 800.0 4.32 0.0
PK 1000.0 4.32 0.25
PK 1250.0 4.32 0.0
PK 1600.0 4.32 0.0
PK 2000.0 4.32 0.0
PK 2500.0 4.32 0.25
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 0.25
PK 12000.0 4.32 0.0
PK 16000.0 4.32 0.5
PK 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

GGNTKT M1: comparison between EQs
GGNTKT M1

Comparison betweens various EQs

GGNTKT M1

Improvements made by EQ

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