Bowers & Wilkins HTM71 S3 Signature Centre Speaker - (Each)
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Bowers & Wilkins HTM71 S3 Signature Centre Speaker - (Each)
Overview
The Bowers & Wilkins HTM71 S3 Signature is the Signature edition of the 700 Series HTM71 S3 centre channel, which B&W describes as a first-of-its-kind 700 Series Signature centre speaker. It keeps the 3-way vented-box design, with a decoupled Carbon Dome tweeter in a Solid Body Tweeter-on-Top housing, a 5-inch Continuum cone FST midrange, and twin Aerofoil Profile bass cones.
What sets it apart are the changes B&W developed for its 800 Series Signature loudspeakers: revised bass motor systems, improved capacitors, revised speaker terminals, and a more open tweeter grille mesh. B&W says these bring even more clarity and detail to movies and music, and it pairs them with its proprietary decoupled Continuum midrange and Tweeter-on-Top.
Its drivers, frequency response, and dimensions match the standard model, and it weighs slightly more at 18.5 kg.
Simcoe Audio Video Insight
If your front stage is built around the 702 S3 Signature, this is the 700 Series Signature centre channel to pair with it. B&W's manual recommends placing it directly below or above the screen, as close to ear height as possible, or behind the centre of an acoustically transparent projection screen. With the Tweeter-on-Top housing it stands 233 mm tall, so check the shelf height under your TV first. The decoupled tweeter can feel loose out of the box; B&W notes this is part of the design, not a fault.
More Info
Why the Bowers & Wilkins HTM71 S3 Signature Stands Out
800 Series Signature Refinements
Revised bass motor systems, improved capacitors, revised terminals, and a more open tweeter grille mesh, as developed for B&W's 800 Series Signature models.
Solid Body Tweeter-on-Top
A decoupled Carbon Dome tweeter in a housing B&W mills from solid aluminium to resist resonance.
Decoupled Continuum FST Midrange
A dedicated midrange that B&W says is particularly important for dialogue clarity.
Twin Aerofoil Profile Bass Cones
Variable-thickness bass cones loaded by a Flowport.
Bi-Wire and Bi-Amp Ready
Remove the terminal links to bi-wire or bi-amplify, as shown in B&W's 700 S3 manual.
Flexible Placement
Below or above the screen on furniture, a stand, or a wall shelf, or behind an acoustically transparent screen.
Buyer's Guide
Who It's For
- The 702 S3 Signature Owner: Wants the Signature centre channel to complete the front stage.
- The Dialogue-Focused Viewer: Wants a 3-way centre with a dedicated midrange for voices.
- The Projection Room: Wants a centre that can sit behind an acoustically transparent screen.
How It Compares
The HTM71 S3 Signature shares its driver layout, frequency response, and dimensions with the standard HTM71 S3. The Signature adds B&W's revised bass motor systems, improved capacitors, revised terminals, and a more open tweeter grille mesh. If those refinements aren't a priority, the standard HTM71 S3 offers the same 3-way design.
Bowers & Wilkins HTM71 S3 Signature Centre Speaker - (Each) Specifications
| General Information | |
|---|---|
| Model | Bowers & Wilkins HTM71 S3 Signature |
| Brand | Bowers & Wilkins |
| Product Type | Centre channel speaker, 3-way vented-box system (each) |
| Drivers | |
| Tweeter | 1x 25mm (1 in) Decoupled Carbon Dome, Solid Body Tweeter-on-Top |
| Midrange | 1x 130mm (5 in) Continuum cone FST |
| Bass | 2x 130mm (5 in) Aerofoil Profile |
| Bass Loading | Flowport |
| Terminals | Bi-wire / bi-amp capable |
| Signature Changes | |
| Developed For | 800 Series Signature loudspeakers |
| Changes | Revised bass motor systems, improved capacitors, revised speaker terminals, more open tweeter grille mesh |
| Acoustic Performance | |
| Frequency Response | 50Hz - 28kHz ±3dB |
| Frequency Range | 45Hz - 33kHz (-6dB) |
| Sensitivity | 89dB spl (2.83Vrms, 1m) |
| Harmonic Distortion (2nd and 3rd, 90dB, 1m) | <1% 90Hz - 22kHz; <0.5% 120Hz - 20kHz |
| Nominal Impedance | 8Ω (minimum 3.1Ω) |
| Power | |
| Recommended Amplifier Power | 30W - 200W into 8Ω on unclipped programme |
| Max Recommended Cable Impedance | 0.1Ω |
| Dimensions & Weight | |
| Height | 165 mm (6.5 in) cabinet only; 233 mm (9.2 in) including tweeter |
| Width | 628 mm (24.7 in) cabinet only |
| Depth | 318 mm (12.5 in) cabinet only; 356 mm (14.0 in) with grille and terminals |
| Net Weight | 18.5 kg (40.8 lb) |
| Colours Available | Datuk Gloss, Midnight Blue Metallic (grille: Black) |
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