Features

  • Vented reinforced plastic chassis
  • Proprietary cone material with natural fibers made in-house
  • Soft low damping rubber surround for improved transient response
  • Large spider for improved linearity
  • Optimized motor system
  • Vented coil former for low compression
  • Non-resonant long life lead wires

SB Acoustics SB20PFCR30-4 8'' Paper Cone Woofer

₹3,800.00Price
    • Nominal Impedance 4 Ω
    • DC resistance, Re 3.4 Ω
    • Voice coil inductance, Le 0.71 mH
    • Effective piston area, Sd 216 cm2
    • Voice coil diameter 30.5 mm
    • Voice coil height 16.5 mm
    • Air gap height 5 mm
    • Linear coil travel (p-p) 11.5 mm
    • Magnetic flux density 1.2 T
    • Magnet weight 0.54 kg
    • Net weight 1.42 kg
    • Free air resonance, Fs 34 Hz
    • Sensitivity (2.83V/1m) 92.5 dB
    • Mechanical Q-factor, Qms 2.78
    • Electrical Q-factor, Qes 0.37
    • Total Q-factor, Qts 0.33
    • Moving mass incl. air,Mms 22.4 g
    • Force factor, Bl 6.6 Tm
    • Equivalent volume, Vas 66.2 liters
    • Compliance, Cms 1.0 mm/N
    • Mechanical loss, Rms 1.7 kg/s
    • Rated power handling* 50 W

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