Subwoofer, diametro 308 mm, 400 watt nominali, 800 watt max, anello di cortocircuito magnetico (Aluring), elevata escursione mobile, cestello in alluminio pressofuso, cono in polpa di cellulosa caricato, sospensione in gomma SBR

nominal impedance (Zn): 4 ohm
nominal power (Pn): 400 watt
max power (Pm): 800 watt
sensitivity (2.83 V/1 m): 90 dB
frequency range (BW): 20÷300 Hz
resonance frequency (Fs): 47 Hz
voice coil diameter: 51 mm
cone material: composite cellulose
surround material: SBR rubber
basket material: alumin. die cast
magnet material: ferrite

mechanical Q factor (Qms): 5.3
electrical Q factor (Qes): 0.6
total Q factor (Qts): 0.54
moving mass (Mms): 175 g
compliance (Cms): 0.07 mm/N
equivalent vol. (Vas): 20 litres
force factor (BxL): 17.4 N/A
voice coil resistance (Re): 3.6 ohm
voice coil inductance (Le): 2.6 mH
emission diameter (D): 244 mm
linear excursion (Xmax): ± 12 mm