Features

  • Vented reinforced plastic chassis
  • Proprietary cone material with natural fibers made in-house
  • Butyl rubber surround for smooth frequency response
  • Vented motor system for low compression
  • Long stroke linear suspension for improved dynamics
  • Non-resonant long life lead wires

SB Acoustics SB12PFCR25-4 4'' Paper Cone Woofer

₹2,600.00Price
    • Nominal Impedance 4 Ω
    • DC resistance, Re 3.1 Ω
    • Voice coil inductance, Le 0.26 mH
    • Effective piston area, Sd 50 cm2
    • Voice coil diameter 25.4 mm
    • Voice coil height 15 mm
    • Air gap height 5 mm
    • Linear coil travel (p-p) 10 mm
    • Magnetic flux density 0.84 T
    • Magnet weight 0.32 kg
    • Net weight 0.7 kg
    • Free air resonance, Fs 58 Hz
    • Sensitivity (2.83 V / 1 m) 87.5 dB
    • Mechanical Q-factor, Qms 3.4
    • Electrical Q-factor, Qes 0.49
    • Total Q-factor, Qts 0.43
    • Moving mass incl. air, Mms 5.3 g
    • Force factor, Bl 3.5 Tm
    • Equivalent volume, VAS 5.2 liters
    • Compliance, Cms 1.42 mm/N
    • Mechanical loss, Rms 0.6 kg/s
    • Rated power handling* 30 W

    * IEC 268-5, T/S parameters measured on drive units that are broken in.