זוג רמקולי רצפתיים מבית B&W בי אנד דאבליו דגם 683 - מתצוגה

Woven Kevlar  
Crossover Tuning  
Nautilus Tapering Tube  
Flowport  
Mushrooms  
FST  
Tweeter on Top  
Matrix  
Rohacell  
Diamond Tweeters  
Sphere / Tube Enclosure  
De-Coupling  
Nautilus  
Technical features Nautilus™ tube loaded aluminium dome tweeter 
 Kevlar® brand fibre cone FST™ midrange 
 Aluminium/paper/Kevlar® cone bass driver 
 Flowport™ 
Description 3-way vented-box system 
Drive units 1x ?25mm (1 in) aluminium dome high-frequency 
 1x ?150mm (6 in) woven Kevlar® cone FST™ midrange 
 2x ?165mm (6.5 in) Aluminium/paper/Kevlar® cone bass 
Frequency range -6dB at 30Hz and 50kHz 
Frequency response 38Hz - 22kHz ±3dB on reference axis 
Dispersion Within 2dB of reference response 
 Horizontal: over 60? arc 
 Vertical: over 10? arc 
Sensitivity 90dB spl (2.83V, 1m) 
Harmonic distortion 2nd and 3rd harmonics (90dB, 1m) 
 <1% 90Hz - 22kHz 
 <0.5% 120Hz - 20kHz 
Nominal impedance 8? (minimum 3.0?) 
Crossover frequencies 350Hz, 4kHz 
Crossover Filters 1st Order – tweeter 
 2nd Order – midrange low pass 
 2nd Order – midrange high pass 
 3rd Order – bass 
Recommended amplifier power 25W - 200W into 8? on unclipped programme 
Max. recommended cable impedance 0.1? 
Dimensions Height: 985mm (38.8 in) (not including plinth or feet) 
 Width: 198mm (7.8 in) 
 Depth: 340mm (13.4 in) 
Net weight 26kg (57.3 lb) 
Finishes Black Ash Vinyl 
 Light Oak Vinyl 
 Red Cherry Vinyl 
 Weng? Vinyl