Difuzor woofer 18 Sound 21iD Specificatii: Diametru: 533 mm (21 in) Impedanta: 2 Putere AES: 1800 WPutere continua program: 3600 WPutere maxima: 10000 WSensibilitate (1W/1m): 94.2 dBGama frecventa: 29 - 1600 HzFrecventa de taiere recomandata: 120 HzIncinta recomandata: 120 - 250 litri Impedanta minima: 2 Excursie mecanica maxima varf la varf: 70 mm (2.76 in)Diametrul bobinei: 135 mm (5.31 in) Sarma bobina: cupruMagnet: Neodymium Parametri: Fs 38 Hz Re 1.3 Sd 0.1666 cm2 (257.30 in2)Qms 5.60 Qes 0.24 Qts 0.23 Vas 143 dm3 (5.05 ft3)Mms 489 g (1.08 lb)Bl 25.20 TxmXmax 14 mm (0.55 in)Le 1.08 mHEficienta SPL (1W/1m): 94.2 dB Dimensiuni si masa: Diametru total: 545 mm (21.46 in) Diametru gaurilor de prindere: 520 mm (20.47 in) Diametru gaurii de decupaj (fata-spate): 492- 490 mm (19.37-19.29 in) Grosime flansa cu garnitura: 18 mm (0.71 in)Masa neta: 13.6 kg (29.98 lb) Masa totala cu ambalaj: 15.1 kg (33.29 lb) Dimensiuni cutie difuzor: 570x570x290 mm (22.44x22.44x11.42 in)

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