Ascend Acoustics ELX Ribbon Horizon is a passive center that cost around 2800 USD

  • Quality of the measurement data is high.
  • Origin of the data is Ascend Acoustics.
  • Format of the data is a set of 36 horizontal and 36 vertical measurements .
  • Sensitivity:
    • Company: 88.0 dB
    • Measured: 87.5 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 51.3Hz (resp. 36.6Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.9dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 5.48 and would be 7.14 with a perfect subwoofer.
      • Details: NBD: ON 0.378, LW 0.322, SP 0.388, PIR 0.319; SM: SP0.503, PIR0.585; LFQ 1.364, LFX 35Hz
    • Tonality (Preference) Score is 6.52 with an EQ and would be 7.74 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.302, LW 0.264, SP 0.328, PIR 0.26; SM: SP0.55, PIR0.685; LFQ 1.192, LFX 27Hz
Ascend Acoustics ELX Ribbon Horizon

Vendor specifications

  • Impedance 8 Ohm
  • Size
    • Width 584mm
    • Height 279mm
    • Depth 317mm
  • Weight 24kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -5.0dB.
Type Freq Q Gain
PK 29.0 1.64 2.99
PK 54.0 0.34 2.79
PK 98.0 0.94 -3.06
PK 765.0 1.11 -0.89
PK 1010.0 2.99 2.96
PK 1288.0 2.16 -1.04
PK 9319.0 2.99 -0.82
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This EQ optimise the Harman score and is a good start for far field listening like in your living room.

AutomaticEQ LW (IIR)
Set preamp gain to: -2.5dB.
Type Freq Q Gain
PK 51.0 2.4 2.58
PK 105.0 1.94 -0.81
PK 1010.0 3.0 2.99
PK 1046.0 1.76 -0.93
PK 3068.0 2.72 1.3
PK 4989.0 1.97 0.67
PK 16239.0 0.88 1.53
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This EQ optimise for a flat listening window and is a good start for near field listening like on your desk.

Quick config:
Quick config:
Quick config:
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