HemBasDD Audio 818f-D1

DD Audio 818f-D1

Artikelnummer: DD818f-D1

The 800 Series offers some of DD AUDIO’s most extreme Power Tuned Subwoofers designed for outstanding power handling, with competitive bassheads in mind.

Previous revisions of the 600, 700 and 800 Series subwoofers made them bigger and better and in this latest “f” revision they receive precision engineered, thermal cooling enhancements of major significance along with some design work that is literally cutting edge.

The “f” revision subwoofers were specially engineered to deliver improved thermal transfer. The Dual Stage Aluminum Heat Sink works to conduct heat away from soft components, into open chambers where the Free Flow Cooling System is pushing through cooler inducted air in order to expel this heat.

As the top plate thickness was increased the voice coil winding was lengthend to keep more coil wire in the gap. More coil wire surrounded by both motor steel and billet aluminum pulls more heat away from the coil in all conditions, optimizing electrical efficiency in long term usage.

Increased Xmax and excursion required enhancements to the moving system, therefore taller surrounds have been tooled and the spider refined to fully optimize the new motor design. The taller surrounds are double stitched to fiberglass loaded non-pressed cones. Double layer, multiple spiders continue the DD tradition of long term durability.


Speaker Size (In): 18
Watts RMS: 2500
Watts Peak: 7500
Impedance: D1 / D2
VCD (In): 4
Piston Diameter (In): 15.75
Fs (Hz): 27
Qms: 7.049
Qes: 0.8896
Qts: 0.7899
Vas (Liters): 155.3
Xmech (MM): 100
Xmax (MM): 31
Frame OD (In): 18.25
Frame OD w/Gasket (In): 18.5
Mounting Diameter (In): 16.415
Mounting Depth (In): 12.5
Motor Diameter (In): 9.45
Motor Depth (In): 5.8
Ported Enclosure (CuFt): 5.0 – 7.0


Rekommenderad låda portad: 142 – 198 liter netto


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