Subwoofer X-Maxx 15
38 cm / 15" subwoofer
2 x 1250 / 1875 Watts
2 x 1 Ohm impedance
4" flat wire voice coil
Low bass long excursion subwoofer
4" flat wire voice coil, 4 ply, made in USA
4-ply nomex center spider
Carbon fiber dust cap
Paper cone
Extra wide long excursion foam surround
80 mm ferrite magnet system (quad stack)
Material
Cone: Paper
Spider: Nomex
Surround: Foam
Coil former: Aluminium
Basket: Aluminum
Dust Cap: Carbon
Specifications
DC resistance (Rdc): 2 x 0,9 Ω
Nominal impedance (ZN): 2 x 1 Ω
Resonance frequency (fs): 32,2 Hz
Voice coil diameter: 100 mm
Mechanical Q factor (Qms): 5,60
Electrical Q factor (Qes): 0,56
Total Q factor (Qts): 0,51
Moving mass (Mms): 464,3 g
Effective piston area (Sd): 830 cm²
Mechanical resistance (Rms): 16,8 kg/s
Compliance (Cms): 0,05 mm/N
Force factor (BL): 17,3 Tm
Equivalent air volume (Vas): 46,4 dm³
Efficiency (η): 0,27 %
SPL 2,83V/1m: 86,2 dB
