Bose 251 Owner's guide - Page 13

English Product Information Technical Information Protective features • Galvanized powder coated steel grille • Environmentally resistant hardware • Polymer fiber composite drivers • Nickel-plated brass connection terminals • Syncom® computer quality control Driver complement • Two (2) 21⁄ " environmental TwiddlerTM drivers per speaker 2 • One (1) 51⁄ " environmental woofer per speaker 4 Enclosure • Dual-port molded polypropylene composite • Black or white Dimensions • 131⁄ " H x 53⁄ " W x 8" D (34.29 cm x 14.6 cm x 20.32 cm) 2 4 Compatibility • Compatible with amplifiers or receivers rated 10-200 watts per channel/rated 4 to 8 ohms • 100W IEC continuous power handling; rated 6 ohms Environmental Capabilities • Designed to withstand: - salt fog, sun, high humidity (100%RH) - temperature extremes (-40°F to 158°F; -40°C to 70°C) Wire recommendations • Based on a maximum frequency response deviation of ±0.5 dB Gauge Length 18 (0.75 mm2) 30 ft (9 m) maximum 16 (1.5 mm2) 45 ft (14 m) maximum 14 (2.0 mm2) 70 ft (21 m) maximum Weight • 8 lb (3.63 kg) each 13