Selenium 12SW5

Autohifi DVC subwoofer

Manufacturer parameters
  • Diameter: 12" (30cm)
  • Power (W): 650/2300
  • Impedance (Ohm): 2 (DVC)
  • Sensitivity (db/1W): 89
  • Qts: 0,43
  • Price: 80
  • Diaphragm: composite fiber
  • Basket: diecast
  • Magnet: 93oz (2636g) single
Measured parameters
  • Series
  • Fs = 32.15 Hz
  • Re = 3.40 ohms[dc]
  • Le = 3733.54 uH
  • Qt = 0.42
  • Qes = 0.45
  • Qms = 5.34
  • Mms = 161.46 grams
  • Cms = 0.000152 m/N
  • Vas = 51.35 liters
  • Sd= 490.87 cm^2
  • Bl = 15.648341 Tm
  • gamma = 96.9 N/A.kg
  • ETA = 0.36 %
  • Lp(2.83V/1m) = 91.41 dB (88dB/1W)
  • EBP=71 Hz (bassreflex/sealed)


Almost the same as 10SW5, but a bit bigger and with even higher input power.

front side rear side Basket and terminal magnet vents overall
Photos by Danco58