What we know about the measurement:

Hedd Type 20 MK2 is an active bookshelves speaker that cost around 2400USD each .

  • Quality of the measurement data is high .
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 35.2Hz (resp. 33.7Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.4dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-60.0°, 60.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-40.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 6.21 and would be 7.79 with a perfect subwoofer.
      • Details: NBD: ON 0.401, LW 0.334, SP 0.366, PIR 0.322; SM: SP0.938, PIR0.895; LFQ 0.862, LFX 33Hz
    • Tonality (Preference) Score is 6.65 with an EQ and would be 8.15 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.36, LW 0.271, SP 0.32, PIR 0.253; SM: SP0.955, PIR0.915; LFQ 0.862, LFX 32Hz
  • Link to Original review.
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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