Tweeter fabric dome 3/4SB Acoustics SB21SDCN-C000-4. Specificatii:-Putere nominala (RMS): 40 W-Impedanta nominala 4 -Rezistenta la curent continuu, Re: 3.1 -Inductanta bobina, Le: 0.04 mH-Zona extindere piston, Sd: 4.9 cm2-Diametru bobina: 20.4 mm (1.14 in)-Adancime bobina: 1.5 mm-Adancime piesa polara: 2.0 mm-Excursie liniara bobina (p-p): 0.5 mm-Densitate flux magnetic: 0.9 T-Greutate magnet: 0.01 kg-Greutate neta: 0.06 kg-Rezonanta aer liber, Fs: 850 Hz-Sensibilitate (2.83V/1m): 90 dB-Factor mecanic Q, Qms: 2.44-Factor electric Q, Qes: 2.45-Factor Q total, Qts: 1.22-Masa in miscare incl. aer, Mms: 0.25 g-Factor de forta, Bl: 1.3 Tm* Parametrii IEC 268-5, pasaj mare Butterworth, 2600 Hz, 12 dB / oct.

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