5in SB15MFC30-4

5″ SB15MFC30-4 / Polypropylene

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Features

  • Vented cast aluminium chassis for optimum strength and low compression
  • Mineral filled PP-cone made in-house
  • Soft low damping rubber surround for improved transient response
  • Non-conducting fibre glass voice coil former for minimum damping
  • Extended copper sleeve on pole piece for low inductance and low distortion
  • CCAW voice coil for reduced moving mass
  • Long life silver lead wires
  • Vented pole piece for reduced compression

Specs

  • Nominal Impedance 4 Ω
  • DC resistance, Re 3.1 Ω
  • Voice coil inductance, Le 0.12 mH
  • Effective piston area, Sd 82 cm2
  • Voice coil diameter 30.5 mm
  • Voice coil height 15 mm
  • Air gap height 5 mm
  • Linear coil travel (p-p) 10 mm
  • Magnetic flux density 1.0 T
  • Magnet weight 0.54 kg
  • Net weight 1.48 kg
  • Free air resonance, Fs 35.5 Hz
  • Sensitivity (2.83 V / 1 m) 90 dB
  • Mechanical Q-factor, Qms 5.26
  • Electrical Q-factor, Qes 0.30
  • Total Q-factor, Qts 0.28
  • Moving mass incl. air, Mms 9.9 g
  • Force factor, Bl 4.8 Tm
  • Equivalent volume, VAS 19.4 liters
  • Compliance, Cms 2.03 mm/N
  • Mechanical loss, Rms 0.42 kg/s
  • Rated power handling* 50 W

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