ลำโพงHI-ENDแท้จากอังกฤษB&W 686 สภาพเดิมสวยมากมาพร้อมระบบเสียงBI-WIREแท้ เสียงดีสุดยอดเกินราคา ขายถูกๆเหลือครึ่งราคาเพียง 15900.-เท่านั้น The 686 is the baby of the 600 Series bunch, but doesn’t lack for the technologies and features to deliver outrageously good sound in smaller room settings. Mount a pair on a wall or stand, or simply sit them on a shelf or table for a compact stereo system or as surround speakers in a home theatre set-up. The 130mm diameter Kevlar® cone bass/midrange is based on a tried-and-trusted B&W design, but its new fixed centre bullet helps to smooth the response in upper frequencies. Also, by setting the bass/midrange closer to the tweeter than in equivalent earlier speakers, we have improved the integration and vertical dispersion of sound from the two units. TheNautilus™ tube-loaded, aluminium dome tweeter, featuring a new surround material to improve spaciousness and imaging, adds needle-sharp top end all the way to 50kHz and beyond. The improvements to the drive units in the new 600 Series make it possible, for the first time, to introduce a minimalist crossover to the range. The use of components that are fewer in number but higher in quality – hand-picked in exhaustive listening tests – reduces the degradation of the signal significantly. So, whether you’re enjoying hi-fi or home cinema, what you hear is that much closer to what was recorded. Visually, a refreshed, contemporary design language and a widened choice of wood finishes allows the 685 to fit in effortlessly with any interior. SpecificationTechnical features Nautilus™ tube loaded aluminium dome tweeterKevlar® brand fibre cone bass / midrangeFlowport™Description 2-way vented-box systemDrive units 1x ø25mm (1 in) aluminium dome high-frequency1x ø130mm (5 in) woven Kevlar® cone bass / midrangeFrequency range -6dB at 45Hz and 50kHzFrequency response 55Hz - 22kHz ±3dB on reference axisDispersion Within 2dB of reference responseHorizontal: over 60º arcVertical: over 10º arcSensitivity 84dB spl (2.83V, 1m)Harmonic distortion 2nd and 3rd harmonics (90dB, 1m)อ่านเพิ่มเติม