Bowers & Wilkins 804 Diamond loudspeaker Specifications
Description: Three-way, reflex-loaded, floorstanding loudspeaker. Drive-units: 1" (25mm) diamond-dome tweeter, 6" (150mm) FST woven-Kevlar midrange cone, two 6.5" (165mm) Rohacell-cone woofers. Crossover frequencies: 350Hz, 4kHz. Frequency range: 6dB at 30Hz and 33kHz. Frequency response: 38Hz28kHz, ±3dB, on reference axis. Dispersion: within 2dB of on-axis response over 60° arc (horizontal) and 10° arc (vertical). Sensitivity: 90dB/2.83V/m. Harmonic distortion (second and third harmonics, 90dB, 1m): <1.0%, 90Hz100kHz; <0.5%, 120Hz100kHz. Impedance: 8 ohms nominal, 3 ohms minimum. Recommended amplification: 50200W into 8 ohms, unclipped program. Maximum recommended cable impedance: 0.1 ohm.
Dimensions: 39.8" (1020mm) H by 9.3" (238mm) W by 13.7" (351mm) D. Weight: 59.4 lbs (27kg).
Finishes: Rosenut, Cherry, Piano Gloss Black.
Serial numbers of units reviewed: 009625, 009626 (listening); 009176 (measuring).
Price: $7500/pair. Approximate number of dealers: 275.
Manufacturer: Bowers & Wilkins, Dale Road, Worthing, West Sussex BN11 2BH, England, UK. Tel: (44) (0)800-232-1513. Web: www.bowers-wilkins.co.uk. US distributor: B&W Group North America, 54 Concord Street, North Reading, MA 01864. Tel: (978) 664-2870. Fax: (978) 664-4109. Web: www.bowers-wilkins.com.