Gladen M-Line 12

Gladen M-Line  M12   Woofer mit hohem Wirkungsgrad Black Nomex Spider Geschöpfte Papiermembran Glasfaser Dust-Cap 30 cm / 12” Belastbarkeit: 450/300 Watt 4 Ohm Impedanz 2” Schwingspule Für 48 l ventiliert oder 32 l geschlossen Speaker Specifications Power Pe 300 / 450 RMS/Nom DC resistance Rdc 3,2 Ω Nominal impedance ZN 4 Ω Resonance frequency fs 29,2 HZ Voice coil diameter 2,0 inch Mechanical Q factor Qms 4,32 Electrical Q factor Qes 0,41 Total Q factor Qts 0,37 Moving mass Mms 113,2 g Effective piston area Sd 490 cm2 Mechanical resistance Rms 4,4 Kg/s Compliance Cms 0,31 mm/N Force factor BL 12,2 Tm Equivalent air volume Vas 112,1 dm3 SPL 2,83V/1m 92,2 dB Cone: Paper Spider: Nomex Surround: Rubber Coil former: Aluminium Basket: Steel Dust cap: PP Diameter External diameter 310 mm / 12,20 inch Installation diameter 277 mm / 10,91 inch Installation depth 130 mm / 5,12 inch Magnet diameter 147 mm / 5,79 inch Gladen M-Line 12, High-Efficiency 300 mm Subwoofer