[PLAN] SSP218 Modified Subwoofer

#Subscribe #Subwoofer #Bassreflex Make sure to subscribe and share the video if you liked it! Happy Building guys! keep safe! God blesss! 30Hz – 100 Hz Use any B&C Speaker 18DS115 Subwoofer or any subwoofer that has the same TS parameters with this. Resonant frequency fS 30 Hz Electrical Q QES 0.18 Mechanical Q QMS 4.75 Total Q factor QTS 0.17 Suspension equivalent air volume VAS 177 litres DC resistance RE 3.3 Ω Minimum impedance Zmin 4.5 Ω Voice coil inductance LE 2.8 mH Force factor B·l 34 T·m Suspension mechanical resistance RMS 13.8 N·s/m Suspension mechanical compliance CMS 85 µm/N Moving mass MMD 318.8 g Moving mass (including airload) MMS 348 g Surface of the diaphragm SD 1210 cm² Effective diaphragm diameter Ø 39.3 cm Maximum linear excursion Xmax ± 16.5 mm Displacement volume at Xmax VD 1996.5 cm³ Efficiency η₀ 2.3 % Efficiency bandwidth product EBP 166