Bowers & Wilkins HTM81 D4 is a passive center that cost around 9600 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:
    • Company: 90 dB
    • Measured: 88.4 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 52.7Hz (resp. 42.5Hz).
  • Reference level is normalised to 0.7dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.9dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.17 and would be 5.01 with a perfect subwoofer.
      • Details: NBD: ON 0.643, LW 0.519, SP 0.461, PIR 0.468; SM: SP0.121, PIR0.145; LFQ 1.424, LFX 38Hz
    • Tonality (Preference) Score is 5.2 with an EQ and would be 6.7 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.529, LW 0.382, SP 0.332, PIR 0.311; SM: SP0.485, PIR0.545; LFQ 1.371, LFX 32Hz
  • Link to original Review: eac review. .
Bowers & Wilkins HTM81 D4

Vendor specifications

  • Impedance 3 Ohm
  • Size
    • Width 847mm
    • Height 334mm
    • Depth 371mm
  • Weight 32.2kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -2.5dB.
Type Freq Q Gain
PK 29.0 2.66 2.46
PK 579.0 2.39 -2.3
PK 910.0 0.44 2.95
PK 942.0 2.98 -5.83
PK 1161.0 0.58 2.99
PK 1288.0 2.04 -5.91
PK 8110.0 0.5 -5.45
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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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