What we know about the measurement:

Meyer Sound Acheron 80 is an active cinema

  • Quality of the measurement data is medium.
  • Origin of the data is Meyer Sound.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 41.2Hz (resp. 38.7Hz).
  • Reference level is normalised to 0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.9dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-40.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.75 and would be 5.59 with a perfect subwoofer.
      • Details: NBD: ON 0.615, LW 0.542, SP 0.599, PIR 0.54; SM: SP0.79, PIR0.457; LFQ 2.688, LFX 38Hz
    • Tonality (Preference) Score is 5.94 with an EQ and would be 7.67 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.405, LW 0.374, SP 0.468, PIR 0.369; SM: SP0.952, PIR0.907; LFQ 2.688, LFX 36Hz
  • Note: Data provided by Meyer is high quality above 50Hz-100Hz.
Meyer Sound Acheron 80
AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
3 46.0 0.97 2.98
3 134.0 2.96 2.06
3 643.0 2.99 2.96
3 1642.0 1.57 -2.36
3 2491.0 2.98 1.42
3 5165.0 1.95 -3.07
3 10707.0 2.99 -4.11
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Meyer Sound Acheron 80 filters_auto_eq

AutomaticEQ

Meyer Sound Acheron 80 filters_eq_full

Target v.s. EQ

Meyer Sound Acheron 80
Graphic EQ 15 bands
Set preamp gain to: -1.1dB.
Type Freq Q Gain
3 25.0 2.14 0.75
3 40.0 2.14 0.75
3 63.0 2.14 0.75
3 100.0 2.14 0.25
3 160.0 2.14 0.5
3 250.0 2.14 0.25
3 400.0 2.14 0.25
3 630.0 2.14 0.75
3 1000.0 2.14 0.0
3 1600.0 2.14 -0.25
3 2500.0 2.14 0.25
3 4000.0 2.14 -0.25
3 6300.0 2.14 -0.25
3 10000.0 2.14 -0.5
3 16000.0 2.14 0.5
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These EQ is designed for a 15 bands graphical EQ.

Meyer Sound Acheron 80
Graphic EQ 31 bands
Set preamp gain to: -1.0dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.5
3 31.0 4.32 0.5
3 40.0 4.32 0.5
3 50.0 4.32 0.75
3 63.0 4.32 0.5
3 80.0 4.32 0.25
3 100.0 4.32 0.25
3 125.0 4.32 0.5
3 160.0 4.32 0.25
3 200.0 4.32 0.25
3 250.0 4.32 0.25
3 315.0 4.32 0.25
3 400.0 4.32 0.0
3 500.0 4.32 0.25
3 630.0 4.32 0.5
3 800.0 4.32 0.25
3 1000.0 4.32 0.0
3 1250.0 4.32 0.0
3 1600.0 4.32 -0.25
3 2000.0 4.32 0.0
3 2500.0 4.32 0.0
3 3150.0 4.32 0.0
3 4000.0 4.32 0.0
3 5000.0 4.32 -0.25
3 6300.0 4.32 -0.25
3 8000.0 4.32 0.0
3 10000.0 4.32 -0.25
3 12000.0 4.32 -0.25
3 16000.0 4.32 0.0
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Meyer Sound Acheron 80: comparison between EQs
Meyer Sound Acheron 80

Comparison betweens various EQs

Meyer Sound Acheron 80

Improvements made by EQ

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