bowers & wilkins 685 s2 bookshelf speaker ( demo )

by SMARTECH Wed Aug 29, 2018 10:20 am

please contact Brian 012-2589079 RM2400

Crossover Tuning
Nautilus Tapering Tube
Flowport
Technical features	Decoupled Double Dome aluminium tweeter with Nautilus tube loading Kevlar brand fibre cone bass/midrange Flowport
Description	2-way vented-box system
Drive units	1x ø25mm (1 in) aluminium dome high-frequency 1x ø165mm (6.5 in) woven Kevlar cone bass / midrange
Frequency range	-6dB at 45Hz and 50kHz
Frequency response	52Hz – 22kHz ±3dB on reference axis
Dispersion	Within 2dB of reference response Horizontal: over 60º arc Vertical: over 10º arc
Sensitivity	87dB spl (2.83V, 1m)
Harmonic distortion	2nd and 3rd harmonics (90dB, 1m) <1% 95Hz – 22kHz <0.5% 140Hz – 20kHz
Nominal impedance	8Ω (minimum 3.5Ω)
Crossover frequencies	4kHz
Recommended amplifier power	25W – 100W into 8Ω on unclipped programme
Max. recommended cable impedance	0.1Ω
Dimensions	Height: 345mm (13.5 in) Width: 190mm (7.5 in) Depth: 324mm (12.8 in)
Net weight	6.8kg (14.9 lb)
Finishes	Black Ash