DLD IW12

Autohifi subwoofer

Manufacturer parameters
  • Diameter: 12" (30cm)
  • Power (W): 400
  • Impedance (Ohm): 4
  • Sensitivity (db/1W): 90dB
  • Qts: N/A
  • Price: 210
  • Diaphragm: coated paper
  • Basket: die-cast
  • Magnet: single
Measured parameters
  • Fs = 30.35 Hz
  • Re = 2.80 ohms[dc]
  • Le = 6861.87 uH
  • Qt = 0.23
  • Qes = 0.25
  • Qms = 4.00
  • Mms = 202.12 grams
  • Cms = 0.000136 m/N
  • Vas = 42.46 liters
  • Sd= 471.44 cm^2
  • Bl = 20.817482 Tm
  • gamma = 103 N/A.kg
  • ETA = 0.46 %
  • Lp(2.83V/1m) = 93.28 dB (cca. 90dB/1W/m)
  • EBP=121 Hz (bassreflex/bandpass/horn)



Recommended enclosure:
SQ - Bassreflex 35l @ 45Hz (port area at least 120cm2)
SPL - Bassreflex 45l @ 55Hz (port area at least 140cm2)

High quality car subwoofer with incredibly strong motor. Thanks to this it has very high sensitivity even with low Vas and low Qts. Great for SQ installs using bass-reflex enclosures.

front side rear side basket and terminal