a76f4136b368047d7f0044f9be81279b

12″ SB34NRXL75-8 / Norex

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Features

  • Hard paper cone for improved piston operation (made in-house)
  • Large motor system with under-cut pole piece and dual shorting rings
  • Vented pole piece for minimum compression
  • Vented cast aluminium chassis for optimum strength and low compression
  • 3″ copper voice coil for improved power handling
  • Long life silver lead wires
  • Low damping rubber surround for improved dynamic linearity
  • Non-conducting fibre glass voice coil former for minimum damping
  • Optimized for vented enclosure

Specs

  • Nominal Impedance 8 Ω
  • DC resistance, Re 6.2 Ω
  • Voice coil inductance, Le 1.2 mH
  • Effective piston area, Sd 508 cm2
  • Voice coil diameter 75.6 mm
  • Voice coil height 28 mm
  • Air gap height 8 mm
  • Linear coil travel (p-p) 20 mm
  • Magnetic flux density 1.1 T
  • Magnet weight 3.6 kg
  • Net weight 8.9 kg
  • Free air resonance, Fs 22 Hz
  • Sensitivity (2.83V/1m) 91 dB
  • Mechanical Q-factor, Qms 5.5
  • Electrical Q-factor, Qes 0.29
  • Total Q-factor, Qts 0.28
  • Moving mass incl. air,Mms 93 g
  • Force factor, Bl 16.6 Tm
  • Equivalent volume, Vas 205 liters
  • Compliance, Cms 0.56 mm/N
  • Mechanical loss, Rms 2.35 kg/s
  • Rated power handling* 200 W

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