12″ SB34SWNRX-S75-6 / Norex

PRODUCT COMPARISON

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Features

  • Hard paper cone for improved piston operation (made in-house)
  • Vented pole piece for minimum compression
  • Vented cast aluminum chassis for optimum strength and low compression
  • 3 copper voice coil (4-layer) for improved power handling
  • Long life silver lead wires
  • Low damping medium hardness rubber surround for improved linearity and power handling
  • Non-conducting fiber glass voice coil former for minimum damping

Specs

  • Nominal Impedance 6 Ω
  • DC resistance, Re 4.5 Ω
  • Voice coil inductance, Le 3.0 mH
  • Effective piston area, Sd 508 cm2
  • Voice coil diameter 75.6 mm
  • Voice coil height 28.5 mm
  • Air gap height 6 mm
  • Linear coil travel (p-p) 22 mm
  • Magnetic flux density 0.63 T
  • Magnet weight 2.1 kg
  • Net weight 5.85 kg
  • Free air resonance, Fs 19 Hz
  • Sensitivity (2.83V/1m) 88 dB
  • Mechanical Q-factor, Qms 5.0
  • Electrical Q-factor, Qes 0.34
  • Total Q-factor, Qts 0.32
  • Moving mass incl. air,Mms 154 g
  • Force factor, Bl 15.4 Tm
  • Equivalent volume, Vas 164 liters
  • Compliance, Cms 0.46 mm/N
  • Mechanical loss, Rms 3.7 kg/s
  • Rated power handling* 200 W

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