Rockford Fosgate RFZ3412

Autohifi subwoofer

Manufacturer parameters
  • Diameter: 12" (30cm)
  • Power (W): 200/400
  • Impedance (Ohm): 4
  • Sensitivity (db/1W): 90
  • Qts: 0,4
  • Price:
  • Diaphragm: polypropylene
  • Basket: plech
  • Magnet: Single
Measured parameters
  • Fs = 35.45 Hz
  • Re = 3.60 ohms
  • Le = 1614 uH
  • Qt = 0.65
  • Qes = 0.73
  • Qms = 6.23
  • Mms = 88.45 grams
  • Cms = 0.000228 m/N
  • Vas = 77.11 liters
  • Sd = 490.87 cm^2
  • Bl = 9.844 Tm
  • gamma = 111.29 N/A.kg
  • ETA = 0.45 %
  • Lp(2.83V/1m) = 92.12 dB (Sensitivity 89dB/1W/1m)


I've seen many better woofers.