Features

  • Vented reinforced plastic chassis
  • Anodised aluminium cone
  • Low damping rubber surround
  • Large vented motor system
  • Long stroke linear suspension
  • Light weight CCAW voice coil
  • Non-conducting fibreglass coil former
  • Non-resonant long life lead wires

SB Acoustics SB12PAC25-4 4'' Aluminium Cone Woofer

₹2,800.00Price
    • Nominal Impedance 4 Ω
    • DC resistance, Re 3.1 Ω
    • Voice coil inductance, Le 0.25 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 1.03 T
    • Magnet weight 0.40 kg
    • Net weight 0.86 kg
    • Free air resonance, Fs 52.5 Hz
    • Sensitivity (2.83 V / 1 m) 87 dB
    • Mechanical Q-factor, Qms 5.0
    • Electrical Q-factor, Qes 0.33
    • Total Q-factor, Qts 0.31
    • Moving mass incl. air, Mms 6.1 g
    • Force factor, Bl 4.35 Tm
    • Equivalent volume, VAS 5.3 liters
    • Compliance, Cms 1.50 mm/N
    • Mechanical loss, Rms 0.4 kg/s
    • Rated power handling* 30 W

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