MATERIAL:

• Cone: Paper
• Spider: Nomex
• Surround: Foam
• Coil former: Aluminum
• Basket: Aluminum
• Dust Cap: PP

SPECIFICATIONS:

• DC resistance (Rdc): 3,75 Ω
• Nominal impedance (ZN): 4 Ω
• Resonance frequency (fs): 43,02 Hz
• Voice coil diameter: 2 inch
• Mechanical Q factor (Qms): 6,09
• Electrical Q factor (Qes): 0,72
• Total Q factor (Qts): 0,64
• Moving mass (Mms): 99,39 g
• Effective piston area (Sd): 216 cm²
• Mechanical resistance (Rms): 4,79 kg/s 
• Compliance (Cms): 0,14 mm/N 
• Force factor (BL): 11,35 Tm 
• Equivalent air volume (Vas): 9,02 dm³ 
• SPL 2,83V/1m: 88,1 dB