15in SB42FHCL75-6

15″ SB42FHCL75-6 / Honeycomb

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Features

  • Light weight rigid honeycomb cone (hard paper honeycomb with fiber glass skin layers)
  • 3″ copper voice coil for improved power handling
  • Long life silver lead wires
  • Vented pole piece for minimum compression
  • Vented cast aluminum chassis for optimum strength and low compression
  • Low damping rubber surround for improved dynamic linearity
  • Non-conducting fiber glass voice coil former for minimum damping
  • Large motor system

Specs

  • Nominal Impedance 6 Ω
  • DC resistance, Re 4.6 Ω
  • Voice coil inductance, Le 2.1 mH
  • Effective piston area, Sd 850 cm2
  • Voice coil diameter 75.6 mm
  • Voice coil height 31 mm
  • Air gap height 8 mm
  • Linear coil travel (p-p) 23 mm
  • Magnetic flux density 1.1 T
  • Magnet weight 3.6 kg
  • Net weight 10.2 kg
  • Free air resonance, Fs 18.4 Hz
  • Sensitivity (2.83V/1m) 93 dB
  • Mechanical Q-factor, Qms 7.4
  • Electrical Q-factor, Qes 0.32
  • Total Q-factor, Qts 0.31
  • Moving mass incl. air,Mms 166 g
  • Force factor, Bl 16.7 Tm
  • Equivalent volume, Vas 462 liters
  • Compliance, Cms 0.45 mm/N
  • Mechanical loss, Rms 2.6 kg/s
  • Rated power handling* 300 W

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