8",10", 12", 15" and 18" are available 18-inch cloth edge paper cone, die-cast frameNominal impedance: 8 ohms Frequency range: F0 -2800Hz Frequency (Fo): 29Hz Sensitivity: 90dB/w/m Magnet: (dia.) 220 x (H) 24mm (120 Oz) Voice coil: Dia. 100mm ASVMaximum power: 700W

18" woofer (speaker)