8in SB23MFCL45-4

8″ SB23MFCL45-4 / Polypropylene

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Features

  • Long stroke design
  • Linear high stability suspension
  • Low damping rubber surround
  • Long copper voice coil
  • Non-conducting reinforced fibre glass coil former
  • Very stiff mineral filled Polypropylene cone
  • Vented cast aluminium chassis
  • Large vented motor system
  • Long life silver lead wires
  • Optimized for smaller enclosures

Specs

  • Nominal Impedance 4 Ω
  • DC resistance, Re 3.3 Ω
  • Voice coil inductance, Le 0.73 mH
  • Effective piston area, Sd 210 cm2
  • Voice coil diameter 45.5 mm
  • Voice coil height 32 mm
  • Air gap height 8 mm
  • Linear coil travel (p-p) 24 mm
  • Magnetic flux density 1.03 T
  • Magnet weight 2.0 kg
  • Net weight 4.70 kg
  • Free air resonance, Fs 27 Hz
  • Sensitivity (2.83V/1m) 87.5 dB
  • Mechanical Q-factor, Qms 7.7
  • Electrical Q-factor, Qes 0.36
  • Total Q-factor, Qts 0.34
  • Moving mass incl. air,Mms 59 g
  • Force factor, Bl 9.6 Tm
  • Equivalent volume, Vas 37 liters
  • Compliance, Cms 0.59 mm/N
  • Mechanical loss, Rms 1.3 kg/s
  • Rated power handling* 150 W

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