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
Frequency Frequency with EQ
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