Yamaha NS-800A is a passive bookshelves that cost around 4800 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity:
    • Company: 86.5 dB
    • Measured: 84.9 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 64.5Hz (resp. 43.9Hz).
  • Reference level is normalised to -0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.8dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.46 and would be 6.23 with a perfect subwoofer.
      • Details: NBD: ON 0.454, LW 0.382, SP 0.389, PIR 0.349; SM: SP0.671, PIR0.312; LFQ 0.726, LFX 37Hz
    • Tonality (Preference) Score is 6.56 with an EQ and would be 8.14 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.371, LW 0.282, SP 0.315, PIR 0.248; SM: SP0.965, PIR0.917; LFQ 0.836, LFX 33Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
Yamaha NS-800A

Vendor specifications

  • Impedance 3.8 Ohm
  • Size
    • Width 231mm
    • Height 420mm
    • Depth 358mm
  • Weight 13.0kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
PK 31.0 1.47 2.73
PK 67.0 1.7 2.63
PK 144.0 2.44 -1.02
PK 190.0 1.38 -0.9
PK 560.0 2.86 2.47
PK 643.0 2.92 -3.39
PK 16239.0 0.5 -8.29
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Quick config:
Quick config:
Quick config:
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