Speakers · Bowers & Wilkins

Bowers & Wilkins 603 S3

Three-way floorstanding loudspeaker. Frequency response 46Hz–28kHz (–3dB per review; lab measures –6dB extension at 40Hz LF / 48kHz HF). Sensitivity: 89.7dB/1kHz/1m, 88.7dB mean, 87.2dB IEC (2.83V/1m). Impedance: nominal 8 ohm, minimum 2.85 ohm @ 113Hz, maximum 27.7 ohm @ 52Hz. Impedance phase: –72° @ 64Hz to +50° @ 1.3kHz. EPDR minimum 1.07 ohm @ 88Hz. THD @ 90dB SPL/1m: 0.4% @ 100Hz, 0.04% @ 1kHz, 0.35% @ 10kHz. Pair matching 0.45dB (200Hz–20kHz). Drivers: 1-inch decoupled titanium dome tweeter, 6-inch Continuum cone FST midrange, two 6.5-inch paper cone woofers. Rear-firing Flowport bass reflex port with adjustable foam plug. Bi-wire binding posts. Available in Black, White, and Oak finishes. Price: $2500/pair (US), £1999 (UK). Weight: 28kg (60.6 lb) each. Dimensions (HWD, no plinth): 985×190×340mm. Specs extracted from web sources: https://www.enjoythemusic.com/magazine/equipment/1223/Bowers_Wilkins_603_S3_Floorstanding_Loudspeaker_Review.htm, https://www.stereophile.com/content/bw-dm603-s3-loudspeaker-measurements, https://www.musicdirect.com/equipment/speakers/bowers-and-wilkins-603-s3-floor-standing-speaker-each 1 spec(s) enriched from web reviews (https://www.whathifi.com/reviews/bowers-and-wilkins-603-s3, https://www.audioholics.com/tower-speaker-reviews/b-w-603).