12in SB34SWPL76-3-DV

12” SB34SWPL76-3-DV / Paper

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Features

  • Long stroke design
  • Linear high stability suspension
  • Higher shore hardness rubber surround
  • Dual 3’’ copper voice coil
  • Non-conducting reinforced fibre glass coil former
  • Very stiff hard paper cone (made in-house)
  • Vented cast aluminium chassis
  • Large vented motor system and vented coilformer
  • Long life silver lead wires

Specs

  • Nominal Impedance 2 x 3 Ω
  • DC resistance, Re 2 x 2.5 Ω
  • Voice coil inductance, Le(par./ser.) 1.4/6.1 mH
  • Effective piston area, Sd 458 cm2
  • Voice coil diameter 75.5 mm
  • Voice coil height 38 mm
  • Air gap height 8 mm
  • Linear coil travel (p-p) 30 mm
  • Magnetic flux density 0.62 T
  • Magnet weight 2.4 kg
  • Net weight 7.7 kg
  • Free air resonance, Fs 27.5 Hz
  • Sensitivity (2.83V/1m) 90/85 dB
  • Mechanical Q-factor, Qms 5.62
  • Electrical Q-factor, Qes 0.52
  • Total Q-factor, Qts 0.48
  • Moving mass incl. air,Mms 231 g
  • Force factor, Bl(par./ser.) 9.7/19.5 Tm
  • Equivalent volume, Vas 43 liters
  • Compliance, Cms 0.14 mm/N
  • Mechanical loss, Rms 7.1 kg/s
  • Rated power handling* 300 W

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