
Bowers & Wilkins (B&W) HTM81 D4 Center Channel Speaker
Country of Origin:
Country of Origin:
Our largest center-channel speaker is designed to partner with the 801 D4 and 802 D4. A powerful performer, it has both the scale and the midrange extension to perfectly match the quality of its illustrious stablemates.
5-year manufacturers warranty
Aerofoil bass cone
Bowers & Wilkins Aerofoil bass cone technology remains an outstanding solution to the conundrum of combining low mass and high stiffness in bass cones, thanks to its carbon-fiber skin and variable-profile foam core. Now, they have added the foam Anti-Resonance Plug for lower distortion and even cleaner bass.
Diamond dome tweeter
One of B&w’s most significant accomplishments over the past two decades, the ultra-stiff, supremely accurate Diamond dome tweeter is the perfect combination of low mass, exceptional stiffness, and outstanding accuracy. 15 years after B&w introduced it, we haven’t found a better tweeter dome technology.
Aluminum bass pods
HTM81 D4 mounts two Aerofoil bass cones in twin solid aluminum bass pods, each of which is clamped into an aluminum plate fixed to the stiffest part of its curved cabinet. Formed as single pieces of metal, these stiff structures provide the perfect mechanical location for those powerful bass cones.
The science of sound
Innovation is at the heart of everything B&w does. The question, examine, understand, and then evolve. Bowers & Wilkins use computer modeling to explore and reimagine every aspect of loudspeaker design.
Size & weight |
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Dimensions |
Height: 334mm (13.1 in) Width: 847mm (33.3 in) Depth: 371mm (14.6 in) |
Net weight |
32.20kg (71 lb) |
Table header is decorative |
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Technical details |
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Technical features |
Diamond tweeter Solid body Tweeter-on-Top Continuum™ cone FST Anti-Resonance plug Biomimetic Suspension Matrix™ Aerofoil™ cone bass units Flowport |
Description |
3-way vented-box system |
Drive units |
1x ø25mm (1in) Diamond dome high-frequency 1x ø150mm (6in) Continuum cone FST midrange 2x ø200mm (8in) Aerofoil cone bass units |
Frequency range |
20Hz to 35kHz |
Frequency response |
28Hz to 28kHz (+/-3dB from reference axis) |
Sensitivity |
90dB (on axis at 2.83Vrms at 1m) |
Harmonic distortion |
2nd and 3rd harmonics (90dB,1m on axis) <1% 80Hz – 20kHz <0.3% 100Hz – 20kHz |
Nominal impedance |
8Ω (minimum 3.0Ω) |
Recommended amplifier power |
50W – 500W into 8Ω on unclipped programme |
Max recommended cable impedance |
0.1Ω |
Table header is decorative |
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Finishes |
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Cabinet finishes |
Gloss Black White |
Grille finishes |
Black Grey |