(לעוד מידע באתר היצרן לחצו על הכותרת)
Switching to 5-inch bass/midrange drivers from the previous 6.5-inch cones, means the 684 S2 is now significantly slimmer than its predecessor, with simultaneously improved audio performance, thanks to Bowers & Wilkins innovation. The two Kevlar cone drivers benefit from smaller voice coils to increase sensitivity.
The 5-inch drivers now also feature Anti-Resonance Plug dustcaps, technology taken from our high-end PM1 speakers, that improve pistonic movement inside the voice coil. This helps to deliver amazingly distortion-free midrange performance, all in a smaller space.
As well as slimmer, improved driver performance, the 684 S2 also features a Decoupled Double Dome tweeter. Double dome technology, brought across from the CM10, increases tweeter rigidity for a more precise sound, while the tweeter sits in a gel-filled cavity, decoupled from the surrounding cabinet – which removes resonances and vibrations, for a more natural, spacious sound.
|yes||Nautilus Tapering Tube|
|Decoupled Double Dome aluminium tweeter with Nautilus™ tube loading Kevlar® brand fibre cone bass/midrange drivers Flowport™||
|2-way vented-box system||Description|
|1x ø25mm (1 in) aluminium dome high-frequency 2x ø130mm (5 in) woven Kevlar® cone bass/ midrange||Drive units|
|-6dB at 45Hz and 50kHz||Frequency range|
|Within 2dB of reference response Horizontal: over 60º arc Vertical: over 10º arc||Dispersion|
|Sensitivity||87dB spl (2.83V, 1m)|
|Harmonic distortion||2nd and 3rd harmonics (90dB, 1m) <1% 140Hz – 22kHz <0.5% 180Hz – 20kHz|
|Nominal impedance||8Ω (minimum 3.5Ω)|
|Recommended amplifier power||25W – 150W into 8Ω on unclipped programme|
|Max. recommended cable impedance||0.1Ω|
|Dimensions||Height: 920mm (36.2 in) cabinet only Width: 160mm (6.3 in) cabinet only Depth: 234mm (9.2 in)|
|Net weight||14.2kg (31.2 lb)|
|Finishes||Black Ash White|