Ground Zero GZRW 30SPL

Autohifi SPL subwoofer

Manufacturer parameters
  • Diameter: 12" (30cm)
  • Power (W): 1000W
  • Impedance (Ohm): 2x 2Ohm
  • Sensitivity: 92dB
  • Qts: 0,36
  • Price: >200

  • Diaphragm: coated paper
  • Basket: die-cast
  • Magnet:
Measured parameters (after recone with 12h burn-in)
  • Fs = 33 Hz
  • Re = 3.60 ohms
  • Le = 2133 uH
  • Qt = 0.41
  • Qes = 0.44
  • Qms = 6.45
  • Mms = 175 grams
  • Cms = 0.000134 m/N
  • Vas = 38.5 liters
  • Sd= 452 cm^2
  • Bl = 17.2 Tm
  • gamma = 98 N/A.kg
  • ETA = 0.30 %
  • Lp(2.83V/1m) = 90.3 dB (Sensitivity 86.9dB/1W/1m)


Nice SPL woofer.



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