AD3012 D4


  • 600W – 1,000W optimal power range
  • 3 inch Copper voice coil
  • Double stack 169oz motor
  • 16.5mm Xmax
  • Double high current tinsel leads
  • Double blend material spider
  • Designed for medium-sized vented enclosures
  • Engineered in the USA.
  • Also available in D2
SKU: AD3012 D4 Categories: ,


The 3000 series 12 employs a finely-tuned balance of damping and extensive motor force to achieve very high efficiency, offering exceptional versatility and unmatched performance in a variety of real-world functions.

Fs 31.29 Hz
Qms 6.43
Vas 22.770 liters
Cms 0.079 mm/N
Mms 327.3 g
Rms 10.013 kg/s
Dia 240.1 mm
Sd 450.2 sq cm

Qes 0.642
Re 7.111 ohms
Le  6.226 mH
Z       ohms
BL 26.69 Tm
BL^2/Re  N^2/W

Qts 0.584
no    %
SPL 82.347 dB

XMax 16.5mm

Nominal Diameter 12in
Overall Diameter 12.80in / 326mm
Mounting Hole Diameter 11.1in / 282mm
Bolt Hole Circle Diameter
Motor Outer Diameter 7.08in / 180mm
Mounting Depth 6.76in / 172mm
Required Pole Vent Clearance
Driver Displacement 0.102 cu ft / 2.889 l

Minimum Sealed Volume
Minimum Vented Volume   cu ft / l net*

* Tune for desired response


Vehicle body style specific enclosure designs coming soon

The above designs have been engineered for a particular vehicle body style. The cabin acoustics of a sedan, hatchback and an SUV were part of the formula to ensures a linear response and optimal power handling for listening purposes under most circumstances. Please visit our Enclosure Design Service page for one off custom designs.