What we know about the measurement:

Emotiva Airmotiv C1+ is a passive center that cost around 300 USD

  • Quality of the measurement data is high.
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 89.3dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 112.8Hz (resp. 87.9Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.8dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-60.0°, 60.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 1.6 and would be 5.03 with a perfect subwoofer.
      • Details: NBD: ON 0.574, LW 0.592, SP 0.507, PIR 0.497; SM: SP0.61, PIR0.118; LFQ 1.296, LFX 90Hz
    • Tonality (Preference) Score is 4.88 with an EQ and would be 7.95 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.374, LW 0.387, SP 0.33, PIR 0.303; SM: SP0.948, PIR0.906; LFQ 1.296, LFX 74Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
Emotiva Airmotiv C1+
AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
5 143.0 0.77 2.99
3 1261.0 2.96 2.07
3 1648.0 2.95 2.96
3 2014.0 2.86 -2.36
3 2545.0 2.94 3.0
3 3216.0 2.86 -2.95
3 6276.0 2.19 -0.61
3 9691.0 1.69 -0.0
3 12662.0 0.39 -2.56
Download

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

Emotiva Airmotiv C1+ filters_auto_eq

AutomaticEQ

Emotiva Airmotiv C1+ filters_eq_full

Target v.s. EQ

Emotiva Airmotiv C1+
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
3 25.0 2.14 0.5
3 40.0 2.14 0.5
3 63.0 2.14 0.5
3 100.0 2.14 0.5
3 160.0 2.14 0.25
3 250.0 2.14 0.0
3 400.0 2.14 -0.25
3 630.0 2.14 0.0
3 1000.0 2.14 0.0
3 1600.0 2.14 0.0
3 2500.0 2.14 -0.25
3 4000.0 2.14 -0.5
3 6300.0 2.14 -0.75
3 10000.0 2.14 -0.75
3 16000.0 2.14 -0.75
Download

These EQ is designed for a 15 bands graphical EQ.

Emotiva Airmotiv C1+
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
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 0.5
3 63.0 4.32 0.5
3 80.0 4.32 0.5
3 100.0 4.32 0.5
3 125.0 4.32 0.25
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 0.0
3 400.0 4.32 0.0
3 500.0 4.32 0.0
3 630.0 4.32 0.0
3 800.0 4.32 0.0
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 -0.25
3 2500.0 4.32 0.25
3 3150.0 4.32 -0.5
3 4000.0 4.32 -0.25
3 5000.0 4.32 -0.5
3 6300.0 4.32 -0.5
3 8000.0 4.32 -0.5
3 10000.0 4.32 -0.5
3 12000.0 4.32 -0.5
3 16000.0 4.32 -0.5
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Emotiva Airmotiv C1+: comparison between EQs
Emotiva Airmotiv C1+

Comparison betweens various EQs

Emotiva Airmotiv C1+

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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